Graduate School

  • Japan

Research Output 1972 2020

1 Citation (Scopus)

A 30-GHz band low-insertion loss and high-isolation SPDT switch IC in 120-nm SiGe HBT

Chen, C., Tuo, F., Xu, X. & Yoshimasu, T., 2016 Sep 27, RFIT 2016 - 2016 IEEE International Symposium on Radio-Frequency Integration Technology. Institute of Electrical and Electronics Engineers Inc., 7578134

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Heterojunction bipolar transistors
bipolar transistors
Insertion losses
insertion loss
heterojunctions
13 Citations (Scopus)

A 312-MHz 16-Mb random-cycle embedded DRAM macro with a power-down data retention mode for mobile applications

Morishita, F., Hayashi, I., Matsuoka, H., Takahashi, K., Shigeta, K., Gyohten, T., Niiro, M., Noda, H., Okamoto, M., Hachisuka, A., Amo, A., Shinkawata, H., Kasaoka, T., Dosaka, K., Arimoto, K., Fujishima, K., Anami, K. & Yoshihara, T., 2005 Jan, In : IEEE Journal of Solid-State Circuits. 40, 1, p. 204-210 7 p.

Research output: Contribution to journalArticle

Dynamic random access storage
Macros
Capacitors
1 Citation (Scopus)

A 32×32 two-dimensional photodetector array using a-Si pin photodiodes and poly-Si TFTs integrated on a transparent substrate

Okamura, M., Kimura, K., Shirai, S. & Yamauchi, N., 1992 Jan 1, 1992 International Technical Digest on Electron Devices Meeting, IEDM 1992. Institute of Electrical and Electronics Engineers Inc., p. 685-688 4 p. 307452. (Technical Digest - International Electron Devices Meeting, IEDM; vol. 1992-December).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Photodetectors
Photodiodes
Amorphous silicon
Polysilicon
amorphous silicon
5 Citations (Scopus)

A 360Mbin/s CABAC decoder for H.264/AVC level 5.1 applications

Hong, Y., Liu, P., Zhang, H., You, Z., Zhou, D. & Goto, S., 2009, 2009 International SoC Design Conference, ISOCC 2009. p. 71-74 4 p. 5423878

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Decoding
Throughput
Engines
Bins

A 373 F 2 2D Power-Gated EE SRAM Physically Unclonable Function with Dark-Bit Detection Technique

Liu, K., Min, Y., Yang, X., Sun, H. & Shinohara, H., 2018 Dec 14, 2018 IEEE Asian Solid-State Circuits Conference, A-SSCC 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 161-164 4 p. 8579315. (2018 IEEE Asian Solid-State Circuits Conference, A-SSCC 2018 - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Static random access storage
Bit error rate
Aging of materials
Temperature

A 3-Axis Catch-and-Release Gyroscope with Pantograph Vibration for Low-Power and Fast Start-Up Applications

Yuzawa, A., Gando, R., Masunishi, K., Ogawa, E., Hiraga, H., Tomizawa, Y., Itakura, T. & Ikehashi, T., 2019 Jun 1, 2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems and Eurosensors XXXIII, TRANSDUCERS 2019 and EUROSENSORS XXXIII. Institute of Electrical and Electronics Engineers Inc., p. 430-433 4 p. 8808391. (2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems and Eurosensors XXXIII, TRANSDUCERS 2019 and EUROSENSORS XXXIII).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pantograph
Pantographs
Gyroscope
Start-up
Gyroscopes

A 3-dimensional mathematical model of microbial proliferation that generates the characteristic cumulative relative abundance distributions in gut microbiomes

Takayasu, L., Suda, W., Watanabe, E., Fukuda, S., Takanashi, K., Ohno, H., Takayasu, M., Takayasu, H. & Hattori, M., 2017 Aug 1, In : PLoS One. 12, 8, e0180863.

Research output: Contribution to journalArticle

Physiology
Spatial distribution
Theoretical Models
mathematical models
digestive system

A 41mW VGA@30fps quadtree video encoder for video surveillance systems

Liu, Q., Hiratsuka, S., Goto, S. & Ikenaga, T., 2007, ASICON 2007 - 2007 7th International Conference on ASIC Proceeding. p. 758-761 4 p. 4415741

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Static random access storage
Motion estimation
Clocks
Electric power utilization
Cameras
1 Citation (Scopus)

A 41 mW VGA@30 fps quadtree video encoder for video surveillance systems

Liu, Q., Hiratsuka, S., Shimizu, K., Ushiki, S., Goto, S. & Ikenaga, T., 2008 Apr, In : IEICE Transactions on Electronics. E91-C, 4, p. 449-456 8 p.

Research output: Contribution to journalArticle

Static random access storage
Motion estimation
Clocks
Electric power utilization
Cameras
7 Citations (Scopus)

A 4320p 60fps H.264/AVC intra-frame encoder chip with 1.41Gbins/s CABAC

Zhou, D., He, G., Fei, W., Chen, Z., Zhou, J. & Goto, S., 2012, IEEE Symposium on VLSI Circuits, Digest of Technical Papers. p. 154-155 2 p. 6243836

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Energy utilization
Throughput
Hardware
2 Citations (Scopus)

A 4-GHz band ultra-wideband voltage controlled oscillator IC using 0.35 μm SiGe BiCMOS technology

Kurachi, S., Murata, Y., Ishikawa, S., Itoh, N., Yonemura, K. & Yoshimasu, T., 2007, Proceedings of the IEEE Bipolar/BiCMOS Circuits and Technology Meeting. p. 9-12 4 p. 4351827

Research output: Chapter in Book/Report/Conference proceedingConference contribution

BiCMOS technology
Variable frequency oscillators
Ultra-wideband (UWB)
Resonant circuits
Varactors
7 Citations (Scopus)

A 4-phase cross-coupled charge pump with charge sharing clock scheme

Zhu, H., Huang, M., Zhang, Y. & Yoshihara, T., 2011, International Conference on Electronic Devices, Systems, and Applications. p. 73-76 4 p. 5959067

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Clocks
Pumps
Leakage currents
Capacitors
Capacitance
3 Citations (Scopus)

A 5.5-GHZ sige HBT Doherty amplifier using diode linearizer and lumped-element hybrid coupler

Liu, H. & Yoshimasu, T., 2008 Jun, In : Microwave and Optical Technology Letters. 50, 6, p. 1554-1558 5 p.

Research output: Contribution to journalArticle

Doherty amplifiers
Heterojunction bipolar transistors
couplers
Diodes
amplifiers

A 5.83 pj/bit/iteration High-Parallel Performance-Aware LDPC Decoder IP Core Design for WiMAX in 65 nm CMOS

Zhao, X., Chen, Z., Peng, X., Zhou, D. & Goto, S., 2013, In : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E96-A, 12, p. 2623-2632 10 p.

Research output: Contribution to journalArticle

WiMAX
Parallelism
Iteration
Quantization
Cycle
1 Citation (Scopus)

A 530 Mpixels/s intra prediction architecture for ultra high definition H.264/AVC encoder

He, G., Zhou, D., Zhou, J., Zhang, T. & Goto, S., 2011 Apr, In : IEICE Transactions on Electronics. E94-C, 4, p. 419-427 9 p.

Research output: Contribution to journalArticle

Hardware
Engines
Image compression
Pipelines
Throughput
1 Citation (Scopus)

A 6.72-Gb/s, 8pJ/bit/iteration WPAN LDPC decoder in 65nm CMOS

Chen, Z., Peng, X., Zhao, X., Okamura, L., Zhou, D. & Goto, S., 2013, Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC. p. 87-88 2 p. 6509569

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pulse code modulation
Energy efficiency
Decoding
4 Citations (Scopus)

A 6.72-Gb/s 8pJ/bit/iteration IEEE 802.15.3c LDPC decoder chip

Chen, Z., Peng, X., Zhao, X., Xie, Q., Okamura, L., Zhou, D. & Goto, S., 2011, 2011 International Symposium on Integrated Circuits, ISIC 2011. p. 7-12 6 p. 6131868

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Decoding
Throughput
Logic gates
Message passing
Energy efficiency
1 Citation (Scopus)

A 6.72-Gb/s 8pJ/bit/iteration IEEE 802.15.3c LDPC decoder chip

Chen, Z., Peng, X., Zhao, X., Okamura, L., Zhou, D. & Goto, S., 2011 Dec, In : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E94-A, 12, p. 2587-2596 10 p.

Research output: Contribution to journalArticle

Decoding
Chip
Iteration
Permutation
Throughput
4 Citations (Scopus)

A 610 Mbin/s CABAC decoder for H.265/HEVC level 6.1 applications

Zhao, Y., Zhou, J., Zhou, D. & Goto, S., 2014 Jan 28, 2014 IEEE International Conference on Image Processing, ICIP 2014. Institute of Electrical and Electronics Engineers Inc., p. 1268-1272 5 p. 7025253

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Bins
Clocks
Engines
Hazards
Pipelines
1 Citation (Scopus)

A 64-cycle-per-MB joint parameter decoder architecture for ultra high definition H.264/AVC applications

Zhou, J., Zhou, D., He, X. & Goto, S., 2009, ISPACS 2009 - 2009 International Symposium on Intelligent Signal Processing and Communication Systems, Proceedings. p. 49-52 4 p. 5383903

Research output: Chapter in Book/Report/Conference proceedingConference contribution

data storage
Static random access storage
Logic gates
Dynamic random access storage
Decoding
2 Citations (Scopus)

A 66-dBc fundamental suppression frequency doubler IC for UWB sensor applications

Sun, J., Liu, Q., Suh, Y. J., Shibata, T. & Yoshimasu, T., 2011 Apr, In : IEICE Transactions on Electronics. E94-C, 4, p. 575-581 7 p.

Research output: Contribution to journalArticle

Frequency doublers
Ultra-wideband (UWB)
Resonators
Networks (circuits)
Sensors
2 Citations (Scopus)

A 70-mm-long periodically-poled Mg doped stoichiometric LiNbO3 for low-threshold optical parametric generation

Maruyama, M., Hodoyama, K., Nakajima, H., Kurimura, S., Yu, N. E. & Kitamura, K., 2005, 2005 Conference on Lasers and Electro-Optics, CLEO. Vol. 3. p. 1966-1968 3 p. CThY3

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pumping (laser)
Lasers

A 70-mm-long periodically-poled Mg doped stoichiometric LiNbO3 for low-threshold optical parametric generation

Maruyama, M., Hodoyama, K., Nakajima, H., Kurimura, S., Yu, N. E. & Kitamura, K., 2005, Optics InfoBase Conference Papers. Optical Society of America

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pumping (laser)
laser pumping
slopes
thresholds
Lasers

A 70-mm-long periodically-poled Mg doped stoichiometric LiNbO3 for low-threshold optical parametric generation

Maruyama, M., Hodoyama, K., Nakajima, H., Kurimura, S., Yu, N. E. & Kitamura, K., 2006, Optics InfoBase Conference Papers. Optical Society of America

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pumping (laser)
laser pumping
slopes
thresholds
Lasers
2 Citations (Scopus)

A 75MHz MRAM with pipe-lined self-reference read scheme for mobile/robotics memory system

Kim, T. Y., Kimura, F., Matsui, Y., Yoshihara, T., Ooishi, T., Kihara, Y. & Hatanaka, M., 2006, 2005 IEEE Asian Solid-State Circuits Conference, ASSCC 2005. p. 117-120 4 p. 4017545

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Robotics
Pipe
Data storage equipment
Computer systems
Random access storage

A 7-Die 3D Stacked 3840 × 2160@120 fps motion estimation processor

Zhang, S., Zhou, J., Zhou, D., Kimura, S. & Goto, S., 2017 Mar 1, In : IEICE Transactions on Electronics. E100C, 3, p. 223-231 9 p.

Research output: Contribution to journalArticle

Motion estimation
Data storage equipment
Memory architecture
Silicon
Clocks
7 Citations (Scopus)

A 7-round parallel hardware-saving accelerator for Gaussian and DoG pyramid construction part of SIFT

Qiu, J., Huang, T. & Ikenaga, T., 2010, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). PART 3 ed. Vol. 5996 LNCS. p. 75-84 10 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 5996 LNCS, no. PART 3).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Scale Invariant Feature Transform
Pyramid
Accelerator
Particle accelerators
Hardware
1 Citation (Scopus)

A 820 mb/s baseband processor LSI based on LDPC coded OFDM for UWB systems

Ushiki, S., Nakamura, K., Shimizu, K., Wang, Q., Abe, Y., Goto, S. & Ikenaga, T., 2008, Proceedings of 2008 IEEE Asian Solid-State Circuits Conference, A-SSCC 2008. p. 297-300 4 p. 4708786

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ultra-wideband (UWB)
Orthogonal frequency division multiplexing
Throughput
Local area networks
Energy dissipation
23 Citations (Scopus)

A 92.6 % tuning range VCO utilizing simultaneously controlling of transformers and MOS varactors in 0.13 μm CMOS technology

Takigawa, Y., Ohta, H., Liu, Q., Kurachi, S., Itoh, N. & Yoshimasu, T., 2009, Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium. p. 83-86 4 p. 5135495

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Varactors
Variable frequency oscillators
Tuning
Resonant circuits
Phase noise

A 98 GMACs/W 32-core vector processor in 65nm CMOS

He, X., Zhou, D., Jin, X. & Goto, S., 2011, Proceedings of the International Symposium on Low Power Electronics and Design. p. 373-378 6 p. 5993669

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Communication
Processing
1 Citation (Scopus)

A 98 GMACs/W 32-core vector processor in 65 nm CMOS

He, X., Jin, X., Wang, M., Zhou, D. & Goto, S., 2011 Dec, In : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E94-A, 12, p. 2609-2618 10 p.

Research output: Contribution to journalArticle

Cache
Phase locked loops
Processing
Mesh Networks
Video Processing
10 Citations (Scopus)

A 995Mpixels/s 0.2nJ/pixel fractional motion estimation architecture in HEVC for Ultra-HD

He, G., Zhou, D., Chen, Z., Zhang, T. & Goto, S., 2013, Proceedings of the 2013 IEEE Asian Solid-State Circuits Conference, A-SSCC 2013. p. 301-304 4 p. 6691042

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Motion estimation
Image coding
Pixels
Hadamard transforms
Hardware
3 Citations (Scopus)
Dynamic random access storage
Bandwidth
Cycle
Logic gates
Partition

A bandwidth reduction scheme and its VLSI implementation for H.264/AVC motion vector decoding

Zhou, J., Zhou, D., He, G. & Goto, S., 2010, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). PART 2 ed. Vol. 6298 LNCS. p. 52-61 10 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 6298 LNCS, no. PART 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Motion Vector
Decoding
Dynamic random access storage
Bandwidth
Partition

A basic construction concept for space structure systems using active connecting elements

Natori, M. C., Nagasawa, M., Yamada, J., Okuno, A., Yamakawa, H., Higuchi, K. & Kishimoto, N., 2015, 2nd AIAA Spacecraft Structures Conference. American Institute of Aeronautics and Astronautics Inc.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Cellular automata
Hardware
9 Citations (Scopus)

A basic study on a urea-selective catalytic reduction system for a medium-duty diesel engine

Kusaka, J., Sueoka, M., Takada, K., Ohga, Y., Nagasaki, T. & Daisho, Y., 2005, In : International Journal of Engine Research. 6, 1, p. 11-19 9 p.

Research output: Contribution to journalArticle

Selective catalytic reduction
Urea
Diesel engines
Catalysts
Subroutines
9 Citations (Scopus)

A Behavioral economic interpretation of the preference for flat rates: The case of post-paid mobile phone services

Mitomo, H., Otsuka, T. & Nakaba, K., 2009, Contributions to Economics. p. 59-73 15 p. (Contributions to Economics).

Research output: Chapter in Book/Report/Conference proceedingChapter

Mobile phone
Psychological factors
Loss aversion
Probability weighting function
Reference dependence
8 Citations (Scopus)

A behavioral mechanism of how increases in leg strength improve old adults′ gait speed

Uematsu, A., Tsuchiya, K., Kadono, N., Kobayashi, H., Kaetsu, T., Hortobágyi, T. & Suzuki, S., 2014 Oct 13, In : PLoS One. 9, 10, e110350.

Research output: Contribution to journalArticle

gait
Leg
legs
strength training
Control Groups
1 Citation (Scopus)

A behavior-based adaptive access-mode for low-power set-associative caches in embedded systems

Ye, J., Ding, H., Hu, Y. & Watanabe, T., 2012, In : Journal of Information Processing. 20, 1, p. 26-36 11 p.

Research output: Contribution to journalArticle

Embedded systems
Electric power utilization
Hardware
Degradation
1 Citation (Scopus)

A behavior-based reconfigurable cache for the low-power embedded processor

Ye, J., Jin, J. & Watanabe, T., 2011, Proceedings of International Conference on ASIC. p. 1-5 5 p. 6157107

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric power utilization
Hardware
Microprocessor chips
Degradation
12 Citations (Scopus)

Abelian tensor hierarchy in 4D N = 1 conformal supergravity

Aoki, S., Higaki, T., Yamada, Y. & Yokokura, R., 2016 Sep 1, In : Journal of High Energy Physics. 2016, 9, 148.

Research output: Contribution to journalArticle

supergravity
hierarchies
tensors
formalism
calculus
4 Citations (Scopus)

Abenomics and Japan's Trade Policy in a New Era

Solís, M. & Urata, S., 2018 Jan 1, In : Asian Economic Policy Review. 13, 1, p. 106-123 18 p.

Research output: Contribution to journalReview article

trade policy
Japan
liberalization
salvaging
trade agreement
3 Citations (Scopus)

A BER performance-aware early termination scheme for layered LDPC decoder

Zhao, X., Chen, Z., Peng, X., Zhou, D. & Goto, S., 2010, IEEE Workshop on Signal Processing Systems, SiPS: Design and Implementation. p. 416-419 4 p. 5624881

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Early Termination
Bit error rate
Error Rate
Broadcasting
Termination

A bilevel synthetic winery system for balancing profits and perishable production quality

Yu, H., Watada, J. & Li, J., 2015, Smart Innovation, Systems and Technologies. Springer Science and Business Media Deutschland GmbH, Vol. 39. p. 661-672 12 p. (Smart Innovation, Systems and Technologies; vol. 39).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Wine
Agriculture
Profitability
Mathematical models
Research work

A bio-inspired evolutionary approach to identifying minimal length decision rules in emotional usability engineering

Kim, I. & Watada, J., 2009, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). PART 2 ed. Vol. 5712 LNAI. p. 181-187 7 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 5712 LNAI, no. PART 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Usability engineering
Usability Engineering
Decision Rules
Rough Set
DNA

A biologically intelligent encoding approach to a hierarchical classification of relational elements in a digraph

Kim, I. & Watada, J., 2009, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). PART 2 ed. Vol. 5712 LNAI. p. 174-180 7 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 5712 LNAI, no. PART 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Structural Modeling
Hierarchical Classification
Hierarchical Modeling
Digraph
Encoding
2 Citations (Scopus)

A biomechanical approach to evaluating field sports performance using a model-based image-matching technique: A case report of 4 defensive football game situations

Sasaki, S., Koga, H., Krosshaug, T., Sakurai, T. & Fukubayashi, T., 2013 Oct, In : Gazzetta Medica Italiana Archivio per le Scienze Mediche. 172, 10, p. 799-805 7 p.

Research output: Contribution to journalArticle

Athletic Performance
Football
Sports
Hip
Knee
6 Citations (Scopus)

A bio-soft computing approach to re-arrange a flexible manufacturing robot

Bakar, R. B. A. & Watada, J., 2007, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). PART 3 ed. Vol. 4694 LNAI. p. 308-315 8 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 4694 LNAI, no. PART 3).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Flexible Manufacturing
Soft computing
Soft Computing
DNA
Robot
5 Citations (Scopus)

A bit-write reduction method based on error-correcting codes for non-volatile memories

Tawada, M., Kimura, S., Yanagisawa, M. & Togawa, N., 2015 Mar 11, 20th Asia and South Pacific Design Automation Conference, ASP-DAC 2015. Institute of Electrical and Electronics Engineers Inc., p. 496-501 6 p. 7059055

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Error-correcting Codes
Reduction Method
Data storage equipment
Cell
Energy

Ablation analysis with MPS for proposing ex-vessel corium spreading management in light water reactors

Katta, M., Duan, G., Yamaji, A. & Furuya, M., 2019 May 18, Proceedings of the 27th International Conference on Nuclear Engineering, ICONE 2019 - "Nuclear Power Saves the World!". American Society of Mechanical Engineers (ASME), (International Conference on Nuclear Engineering, Proceedings, ICONE; vol. 2019-May).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Light water reactors
Ablation
Accidents
Debris
Liquids