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Research Output 2003 2019

  • 322 Citations
  • 11 h-Index
  • 40 Article
  • 26 Conference contribution
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Article
2019

Attempts on pico-precision machining via combination of ELID-grinding and polishing

Ohmori, H., Kim, Y., Uehara, Y., Kasuga, H., Ono-Kato, T., Lin, W., Kurokawa, S. & Umezu, S., 2019 Jan 1, In : Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering. 85, 4, p. 304-309 6 p.

Research output: Contribution to journalArticle

Polishing
Machining

High Operation Stability of Ultraflexible Organic Solar Cells with Ultraviolet-Filtering Substrates

Kimura, H., Fukuda, K., Jinno, H., Park, S., Saito, M., Osaka, I., Takimiya, K., Umezu, S. & Someya, T., 2019 Jan 1, In : Advanced Materials. 1808033.

Research output: Contribution to journalArticle

Substrates
Polyimides
Conversion efficiency
Textiles
Skin
1 Citation (Scopus)

Low-Temperature-Processed Brookite-Based TiO2 Heterophase Junction Enhances Performance of Planar Perovskite Solar Cells

Shahiduzzaman, M., Visal, S., Kuniyoshi, M., Kaneko, T., Umezu, S., Katsumata, T., Iwamori, S., Kakihana, M., Taima, T., Isomura, M. & Tomita, K., 2019 Jan 9, In : Nano Letters. 19, 1, p. 598-604 7 p.

Research output: Contribution to journalArticle

Tin oxides
Fluorine
Titanium dioxide
solar cells
anatase

New thermal protection system using high-temperature carbon fibre-reinforced plastic sandwich panel

Kubota, Y., Miyamoto, O., Aoki, T., Ishida, Y., Ogasawara, T. & Umezu, S., 2019 Jan 1, In : Acta Astronautica.

Research output: Contribution to journalArticle

Carbon fiber reinforced plastics
Thermal insulation
Rigidity
Shear strength
Temperature
2018
1 Citation (Scopus)

Development of a high-precision viscous chocolate printer utilizing electrostatic inkjet printing

Suzuki, Y., Takagishi, K. & Umezu, S., 2018 Jan 1, (Accepted/In press) In : Journal of Food Process Engineering. e12934.

Research output: Contribution to journalArticle

Electrostatic printing
printers
Printing
chocolate
Static Electricity

Durable Ultraflexible Organic Photovoltaics with Novel Metal-Oxide-Free Cathode

Jiang, Z., Fukuda, K., Huang, W., Park, S., Nur, R., Nayeem, M. O. G., Yu, K., Inoue, D., Saito, M., Kimura, H., Yokota, T., Umezu, S., Hashizume, D., Osaka, I., Takimiya, K. & Someya, T., 2018 Jan 1, (Accepted/In press) In : Advanced Functional Materials. 1808378.

Research output: Contribution to journalArticle

Oxides
Conversion efficiency
metal oxides
Cathodes
cathodes

Simple action potential measurement of cardiac cell sheet utilizing electronic sheet

Ohya, T., Nakazono, K., Kikuchi, T., Sasaki, D., Sakaguchi, K., Shimizu, T., Fukuda, K., Someya, T. & Umezu, S., 2018 Mar 21, (Accepted/In press) In : Artificial Life and Robotics. p. 1-7 7 p.

Research output: Contribution to journalArticle

Flexible electronics
Action Potentials
Biocompatibility
Silver
Thick films
2 Citations (Scopus)

The high precision drawing method of chocolate utilizing electrostatic ink-jet printer

Takagishi, K., Suzuki, Y. & Umezu, S., 2018 Jan 1, In : Journal of Food Engineering. 216, p. 138-143 6 p.

Research output: Contribution to journalArticle

printers
air transportation
Ink
chocolate
Printing
16 Citations (Scopus)

Thermally stable, highly efficient, ultraflexible organic photovoltaics

Xu, X., Fukuda, K., Karki, A., Park, S., Kimura, H., Jinno, H., Watanabe, N., Yamamoto, S., Shimomura, S., Kitazawa, D., Yokota, T., Umezu, S., Nguyen, T. Q. & Someya, T., 2018 May 1, In : Proceedings of the National Academy of Sciences of the United States of America. 115, 18, p. 4589-4594 6 p.

Research output: Contribution to journalArticle

Thermodynamic stability
Fullerenes
Thiophenes
Microstructure
Thermal stress
17 Citations (Scopus)

Ultraflexible Near-Infrared Organic Photodetectors for Conformal Photoplethysmogram Sensors

Park, S., Fukuda, K., Wang, M., Lee, C., Yokota, T., Jin, H., Jinno, H., Kimura, H., Zalar, P., Matsuhisa, N., Umezu, S., Bazan, G. C. & Someya, T., 2018 Jan 1, (Accepted/In press) In : Advanced Materials.

Research output: Contribution to journalArticle

Photodetectors
Skin
Infrared radiation
Optoelectronic devices
Sensors
2017
15 Citations (Scopus)

Development of the Improving Process for the 3D Printed Structure

Takagishi, K. & Umezu, S., 2017 Jan 5, In : Scientific Reports. 7, 39852.

Research output: Contribution to journalArticle

3D printers
Melting
Resins
Surface roughness
Processing

Fabrication of micro-alginate gel tubes utilizing micro-gelatin fibers

Sakaguchi, K., Arai, T., Shimizu, T. & Umezu, S., 2017 May 1, In : Japanese Journal of Applied Physics. 56, 5, 05EB06.

Research output: Contribution to journalArticle

Alginate
gelatins
Gels
gels
tubes
1 Citation (Scopus)

Fundamental characteristics of printed gelatin utilizing micro 3D printer

Tanaka, R. I., Sakaguchi, K. & Umezu, S., 2017 Jan 25, (Accepted/In press) In : Artificial Life and Robotics. p. 1-5 5 p.

Research output: Contribution to journalArticle

3D printers
Gelatin
Plate metal
Temperature control
Scaffolds
2016
2 Citations (Scopus)

Bio-inspired wing-folding mechanism of micro air vehicle (MAV)

Jitsukawa, T., Adachi, H., Abe, T., Yamakawa, H. & Umezu, S., 2016 Nov 21, (Accepted/In press) In : Artificial Life and Robotics. p. 1-6 6 p.

Research output: Contribution to journalArticle

Micro air vehicle (MAV)
Feathers
Birds
Air
Research Personnel
1 Citation (Scopus)

Fabrication of micro-gelatin fiber utilizing coacervation method

Arai, T., Tanaka, R., Sakaguchi, K. & Umezu, S., 2016 Dec 23, (Accepted/In press) In : Artificial Life and Robotics. p. 1-6 6 p.

Research output: Contribution to journalArticle

Gelatin
Fabrication
Fibers
Blood vessel prostheses
Bioelectric potentials

Flow control for cell growth by movement of magnetic particles utilizing electromagnetic force

Umezu, S., 2016 Jan 29, (Accepted/In press) In : Artificial Life and Robotics. p. 1-4 4 p.

Research output: Contribution to journalArticle

Electromagnetic Phenomena
Cell growth
Nutrition
Flow control
Cell Movement
2014
9 Citations (Scopus)

Characteristics on micro-biofabrication by patterning with electrostatically injected droplet

Umezu, S. & Ohmori, H., 2014, In : CIRP Annals - Manufacturing Technology. 63, 1, p. 221-224 4 p.

Research output: Contribution to journalArticle

Scaffolds
Printing
Artificial organs
Blood vessels
Biomaterials
9 Citations (Scopus)

Precision printing of gelatin utilizing electrostatic inkjet

Umezu, S., 2014, In : Japanese Journal of Applied Physics. 53, 5 SPEC. ISSUE 3, 05HC01.

Research output: Contribution to journalArticle

gelatins
Biomaterials
printing
Printing
Electrostatics
5 Citations (Scopus)

Spray-coated Pt counter electrode of dye-sensitized solar cell utilizing electrostatic inkjet printing

Umezu, S., Kosugi, K., Kunugi, Y. & Shimoyama, Y., 2014, In : Japanese Journal of Applied Physics. 53, 5 SPEC. ISSUE 3, 05HA08.

Research output: Contribution to journalArticle

Electrostatic printing
printing
sprayers
counters
solar cells
2013
11 Citations (Scopus)

Dye-sensitized solar cell utilizing electrostatic inkjet

Umezu, S., Kunugi, Y. & Ohmori, H., 2013 May, In : Japanese Journal of Applied Physics. 52, 5 PART 2, 05DC23.

Research output: Contribution to journalArticle

Electrostatics
titanium
Titanium
solar cells
dyes
3 Citations (Scopus)

Fabrication of dye-sensitized solar cells using electrostatic inkjet printing

Kunugi, Y., Shimoyama, Y. & Umezu, S., 2013, In : Journal of Photopolymer Science and Technology. 26, 3, p. 383-385 3 p.

Research output: Contribution to journalArticle

Electrostatic printing
Fabrication
Dye-sensitized solar cells
15 Citations (Scopus)

Fundamental characteristics of bioprint on calcium alginate gel

Umezu, S., Hatta, T. & Ohmori, H., 2013 May, In : Japanese Journal of Applied Physics. 52, 5 PART 2, 05DB20.

Research output: Contribution to journalArticle

Alginate
calcium
Calcium
Gels
gels
2012
12 Citations (Scopus)

BioCell print utilizing patterning with electrostatically injected droplet (PELID) method

Umezu, S., 2012, (Accepted/In press) In : Artificial Life and Robotics. p. 1-4 4 p.

Research output: Contribution to journalArticle

Collagen
Artificial organs
Scaffolds (biology)
Tissue engineering
Scaffolds

Core technologies on roll-to-roll printed electronics

Hashimoto, H. & Umezu, S., 2012 Aug, In : Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering. 78, 8, p. 674-677 4 p.

Research output: Contribution to journalArticle

Electronic equipment
2011
29 Citations (Scopus)

Fundamental characteristics of printed cell structures utilizing electrostatic inkjet phenomena

Umezu, S., Kitajima, T., Ohmori, H. & Ito, Y., 2011 Apr, In : Sensors and Actuators, A: Physical. 166, 2, p. 251-255 5 p.

Research output: Contribution to journalArticle

Electrostatics
electrostatics
Liquids
cells
Electric potential
2008
22 Citations (Scopus)
electric corona
Ozone
Static Electricity
fans
ozone
2007
electric corona
fans
Ozone
ozone
Fans
6 Citations (Scopus)

Development of electrostatic paper separation and feed mechanism

Kawamoto, H. & Umezu, S., 2007 Jun, In : Journal of Electrostatics. 65, 7, p. 438-444 7 p.

Research output: Contribution to journalArticle

Static Electricity
rollers
Electrostatics
Electrodes
electrostatics
3 Citations (Scopus)

Force at spark discharge in pin-to-plate system

Kawamoto, H. & Umezu, S., 2007 Feb, In : Journal of Electrostatics. 65, 2, p. 75-81 7 p.

Research output: Contribution to journalArticle

electric sparks
Vibration
Electric sparks
sparks
vibration
1 Citation (Scopus)
fans
Fans
Electrodes
electrodes
Discharge (fluid mechanics)
2006
Electrostatics
Particle size
Electrodes
Gravitation
Spectroscopy
37 Citations (Scopus)

Flow distribution and pressure of air due to ionic wind in pin-to-plate corona discharge system

Kawamoto, H., Yasuda, H. & Umezu, S., 2006 Jun, In : Journal of Electrostatics. 64, 6, p. 400-407 8 p.

Research output: Contribution to journalArticle

Air Pressure
electric corona
flow distribution
Electrodes
electrodes
2005
40 Citations (Scopus)
Electrohydrodynamics
electrohydrodynamics
electric corona
surface water
Metals
36 Citations (Scopus)

Fundamental investigation on electrostatic ink jet phenomena in pin-to-plate discharge system

Kawamoto, H., Umezu, S. & Koizumi, R., 2005 Jan, In : Journal of Imaging Science and Technology. 49, 1, p. 19-27 9 p.

Research output: Contribution to journalArticle

inks
Ink
Electrostatics
electrostatics
mist
Electrostatics
Electrodes
Fibers
Friction
Electrostatic force

Paper separation and feed mechanism utilizing electrostatic force

Umezu, S., Shiraishi, J., Nishimura, H. & Kawamoto, H., 2005 Apr, In : Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C. 71, 4, p. 1361-1367 7 p.

Research output: Contribution to journalArticle

Electrostatic force
Electrodes
Threshold voltage
Piles
Electric potential
2004
Electric sparks
Discharge (fluid mechanics)
Gases
Electrodes
Experiments
4 Citations (Scopus)
Electrodes
Pressure distribution
Laser Doppler velocimeters
Charge density
Velocity distribution
Discharge (fluid mechanics)
Electrodes
Gases
Electric potential
Plastics
2003

Electrohydrostatics in pin-to-plate gas discharge system

Kawamoto, H., Umezu, S., Koizumi, R. & Shiraishi, J., 2003 Feb, In : Nippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C. 69, 2, p. 328-334 7 p.

Research output: Contribution to journalArticle

Discharge (fluid mechanics)
Electrodes
Gases
Water
Water levels