RF

Ryoji Fujiwara

Canon: 27 patents #2,142 of 19,416Top 15%
DE Denso: 1 patents #6,940 of 11,792Top 60%
JC Johnan Seisakusho Co.: 1 patents #4 of 17Top 25%
KC Kanegafuchi Chemical Industry Co.: 1 patents #86 of 179Top 50%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
Overall (All Time): #123,898 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
11846602 Gas sensor Shusaku Kato 2023-12-19
8134288 Electron-emitting device, electron source, and image display apparatus Taiko Motoi, Eiji Ozaki, Akiko Kitao 2012-03-13
8125470 Electron source, image display apparatus, and information display reproducing apparatus Kazushi Nomura, Michiyo Nishimura, Yoji Teramoto, Shunsuke Murakami 2012-02-28
8080932 Electron-emitting device, electron source, image display apparatus and method for manufacturing electron-emitting device Shunsuke Murakami, Noriaki Oguri, Yasushi Shimizu 2011-12-20
8075360 Electron-emitting device, electron source, image display apparatus, and manufacturing method of electron-emitting device Yoji Teramoto, Michiyo Nishimura, Kazushi Nomura, Shunsuke Murakami 2011-12-13
7994701 Electron-emitting device, electron source, image display apparatus, and manufacturing method of electron-emitting device Yoji Teramoto, Michiyo Nishimura, Kazushi Nomura, Shunsuke Murakami 2011-08-09
7811625 Method for manufacturing electron-emitting device Takeshi Ichikawa, Daisuke Sasaguri 2010-10-12
7733006 Electron-emitting device and manufacturing method thereof Takeshi Ichikawa, Daisuke Sasaguri 2010-06-08
7682213 Method of manufacturing an electron emitting device by terminating a surface of a carbon film with hydrogen Yoji Teramoto 2010-03-23
7583016 Producing method for electron-emitting device and electron source, and image display apparatus utilizing producing method for electron-emitting device Michiyo Nishimura, Yoji Teramoto 2009-09-01
7400099 Flat panel image display device Yuji Kasanuki, Shoshiro Saruta, Daisuke Sasaguri 2008-07-15
7259520 Electron emission device, electron source, and image display having dipole layer Yoji Teramoto 2007-08-21
7109663 Electron emission device, electron source, and image display having dipole layer Yoji Teramoto 2006-09-19
6106906 Material for forming electroconductive film, method of forming electroconductive film by using the same and method of manufacturing electron-emitting device, electron source and image-forming apparatus Hiroshi Matsuda 2000-08-22
5838410 Optical modulation element Shuzo Kaneko, Akio Maruyama, Tomoko Maruyama, Tomoko Murakami 1998-11-17
5675351 Method and apparatus for driving active matrix liquid crystal device Shuzo Kaneko, Akio Yoshida 1997-10-07
5479283 Ferroelectric liquid crystal apparatus having a threshold voltage greater than the polarization value divided by the insulating layer capacitance Shuzo Kaneko, Akio Yoshida, Tomoko Maruyama 1995-12-26
5475515 Liquid crystal device having a stretched porous polymer film impregnated with a low molecular weight mesomorphic compound Kazuo Yoshinaga, Yomishi Toshida, Toshikazu Ohnishi, Koichi Sato, Takeo Eguchi +1 more 1995-12-12
5396352 Liquid crystal apparatus with gradation information signals and DC bias Shuzo Kaneko, Akio Yoshida, Tomoro Maruyama 1995-03-07
5327272 Optical modulation element Shuzo Kaneko, Akio Maruyama, Tomoko Maruyama, Tomoko Murakami 1994-07-05
5321538 Method for gradation display using a liquid crystal optical element with minute insulation portions on the electrodes Tomoko Maruyama, Shuzo Kaneko, Tomoko Murakami 1994-06-14
5270844 Liquid crystal optical element with minute insulation portions on the electrodes Tomoko Maruyama, Shuzo Kaneko, Tomoko Murakami 1993-12-14
5260817 Liquid crystal optical device comprising a liquid crystal pixel and a parallel circuit for providing a gradation of display Shuzo Kaneko, Tomoko Maruyama, Murakami Tomoko 1993-11-09
5148302 Optical modulation element having two-dimensional phase type diffraction grating Akihiko Nagano, Etsuro Kishi, Yukitoshi Ohkubo, Michiyo Nishimura, Hajime Sakata +2 more 1992-09-15
4902109 Electrochromic device Shinichi Kawate, Etsuro Kishi 1990-02-20