EO

Eiichi Ohta

Ricoh Company: 24 patents #864 of 9,818Top 9%
Brother Kogyo: 10 patents #856 of 2,767Top 35%
BI Brother Industries: 2 patents #146 of 325Top 45%
TU Tohoku University: 1 patents #615 of 1,680Top 40%
NT Nippon Telegraph: 1 patents #2 of 53Top 4%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
NT NTT: 1 patents #2,911 of 4,871Top 60%
Overall (All Time): #90,629 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #TitleCo-InventorsDate
9512521 Manufacturing method of and manufacturing apparatus for metal oxide film Akira Watanabe, Akira Shimofuku 2016-12-06
8960866 Electromechanical transducer element, liquid discharge head, liquid discharge device, and image forming apparatus Osamu Machida, Yoshikazu Akiyama, Ryo Tashiro, Akira Shimofuku, Kenichi Ogata 2015-02-24
8585188 Thin-film actuator, liquid ejection head, ink cartridge, and image forming apparatus 2013-11-19
8086141 Electric charging apparatus and image forming apparatus using the same Yukimichi Someya, Naomi Sugimoto, Takuro Sekiya, Yasuo Katano, Shohji Tanaka +2 more 2011-12-27
7728503 Electron emission element, charging device, process cartridge, and image forming apparatus Takuro Sekiya, Naomi Sugimoto, Yukimichi Someya, Shohji Tanaka, Yasuo Katano +2 more 2010-06-01
7715760 Charging device, and process cartridge and image forming apparatus using the same Naomi Sugimoto, Yukimichi Someya, Sadayuki Iwai, Katsufumi Kumano 2010-05-11
7554574 Abnormal state occurrence predicting method, state deciding apparatus, and image forming system Hisashi Shoji, Katsuaki Miyawaki, Osamu Satoh, Masaaki Yamada, Shuji Hirai +4 more 2009-06-30
7166486 Optical modulator, optical modulator manufacturing method, light information processing apparatus including optical modulator, image formation apparatus including optical modulator, and image projection and display apparatus including optical modulator Kouichi Ohtaka, Seiichi Katoh, Takeshi Nanjyo, Masanori Horike 2007-01-23
6947195 OPTICAL MODULATOR, OPTICAL MODULATOR MANUFACTURING METHOD, LIGHT INFORMATION PROCESSING APPARATUS INCLUDING OPTICAL MODULATOR, IMAGE FORMATION APPARATUS INCLUDING OPTICAL MODULATOR, AND IMAGE PROJECTION AND DISPLAY APPARATUS INCLUDING OPTICAL MODULATOR Kouichi Ohtaka, Seiichi Katoh, Takeshi Nanjyo, Masanori Horike 2005-09-20
6367914 Electrostatic ink-jet head and method of production of the same Kouichi Ohtaka, Mitsugu Irinoda, Yohichiro Miyaguchi, Takeshi Takemoto, Kenichiro Hashimoto +2 more 2002-04-09
6354697 Electrostatic typeinkjet head having a vent passage and a manufacturing method thereof Makoto Tanaka 2002-03-12
6341847 Electrostatic inkjet head having an accurate gap between an electrode and a diaphragm and manufacturing method thereof Makoto Tanaka, Kohshi Nomura 2002-01-29
6058862 Link-member swinging apparatus Kazutoshi Umeda, Hiroyuki Suzuki, Kohtaro Miyazaki 2000-05-09
5543945 Method of driving an LCD employing combining two voltages which change polarity at different times in a frame Yuji Kimura, Hitoshi Kondo, Masaetsu Takahashi, Kenji Kameyama, Katsuyuki Yamada 1996-08-06
5319479 Deposited multi-layer device with a plastic substrate having an inorganic thin film layer Katsuyuki Yamada, Kenji Kameyama, Hitoshi Kondo, Yuji Kimura, Masaetsu Takahashi +1 more 1994-06-07
5276509 Multi-color facsimile apparatus having different data preparation and transmission modes and data preparations and transmission method practiced by the apparatus Shujiro Mizuno, Hitoshi Uno, Junji Hatamura, Kazunobu Asai, Hidetoshi Yano +2 more 1994-01-04
5214416 Active matrix board Hitoshi Kondo, Yuji Kimura 1993-05-25
5153753 Active matrix-type liquid crystal display containing a horizontal MIM device with inter-digital conductors Yuji Kimura, Hitoshi Kondo 1992-10-06
5142390 MIM element with a doped hard carbon film Yuji Kimura, Hitoshi Kondo 1992-08-25
5132676 Liquid crystal display Yuji Kimura, Hitoshi Kondo 1992-07-21
5117299 Liquid crystal display with a light blocking film of hard carbon Hitoshi Kondo, Yuji Kimura 1992-05-26
5101288 LCD having obliquely split or interdigitated pixels connected to MIM elements having a diamond-like insulator Hitoshi Kondo, Yuji Kimura 1992-03-31
5021877 Optical image reading apparatus capable of reading multi-colored original Michio Tsuchiya, Shuji Otsuka, Takayuki Matsumoto, Hakudai Kondo, Suzuyo Murai +6 more 1991-06-04
5008732 Thin film two terminal element Hitoshi Kondo, Yuji Kimura 1991-04-16
4911023 Force sensing apparatus Kohji Izumi, Hirotoshi Eguti, Yuhji Kimura, Yutaka Ebi 1990-03-27