TO

Tadashi Ogawa

Ricoh Company: 92 patents #44 of 9,818Top 1%
Fujitsu Limited: 38 patents #487 of 24,456Top 2%
Pioneer Electronic: 8 patents #194 of 1,840Top 15%
TC Toyo Ink Mfg. Co.: 3 patents #62 of 499Top 15%
LE Lec: 2 patents #1 of 13Top 8%
UI Ube Industries: 2 patents #593 of 1,686Top 40%
YE Yokogawa Hokushin Electric: 2 patents #13 of 112Top 15%
KC Komatsu Electronic Metals Co.: 2 patents #57 of 160Top 40%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
SC Sumitomo Cement Co.: 1 patents #32 of 113Top 30%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
JI Japan Atomic Energy Research Institute: 1 patents #188 of 609Top 35%
IW Iwatani: 1 patents #23 of 73Top 35%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #5,732 of 4,157,543Top 1%
156
Patents All Time

Issued Patents All Time

Showing 101–125 of 156 patents

Patent #TitleCo-InventorsDate
5698740 Hole-transport material Toshio Enokida, Yasumasa Suda 1997-12-16
5681664 Hole-transporting material and use thereof Michiko Tamano, Toshikazu Onikubo, Toshiyuki Uemura, Toshio Enokida 1997-10-28
5496689 Silver halide color photographic materials 1996-03-05
5482824 Silver halide photographic material and silver halide emulsion 1996-01-09
5405735 Silver halide color photographic light-sensitive materials 1995-04-11
5258272 Silver halide photographic material and silver halide emulsion 1993-11-02
5229261 Silver halide photographic material Nobuo Furutachi 1993-07-20
5206125 Silver halide color photographic material 1993-04-27
5198328 Silver halide color photographic light-sensitive material Keisuke Shiba 1993-03-30
5153111 Composition for color-development and method for processing using same Kazuaki Yoshida, Takatoshi Ishikawa, Hiroshi Fujimoto, Junichi Yamanouchi, Tomokazu Yasuda 1992-10-06
5114837 Silver halide color photographic material 1992-05-19
5075204 Silver halide color photosensitive material having a reflective support and a specified volume ratio Keisuke Shiba 1991-12-24
5057405 Silver-halide color photographic light-sensitive material Keisuke Shiba 1991-10-15
5019252 Portable water purifier Eiichi Kamei, Yasushi Shimomura, Yasuo Kanda 1991-05-28
5011768 Silver halide photographic material 1991-04-30
4946772 Silver halide emulsions and photographic materials 1990-08-07
H760 Silver halide photographic materials 1990-04-03
4895794 Silver halide emulsions having host crystals with guest crystals formed in projection thereon and photographic materials containing such emulsions 1990-01-23
4894321 Photographic support and color photosensitive material Tetsuro Fuchizawa, Masaru Sano, Seiichi Taguchi, Keisuke Shiba 1990-01-16
4894319 Color image-forming process for high silver chloride color photographic material having improved spectral sensitivity and silver removability Tadashi Ikeda, Masaki Okazaki 1990-01-16
4857449 Silver halide color photographic photosensitive materials Osamu Takahashi 1989-08-15
4857444 Color photographic light-sensitive material Takeshi Hirose, Nobuo Furutachi 1989-08-15
4851327 Photographic color photosensitive material with two layer reflective support Tetsuro Fuchizawa, Masaru Sano, Seiichi Taguchi, Keisuke Shiba 1989-07-25
D301554 Apparatus for locating the center of gravity of a golf ball 1989-06-13
4837140 Color image-forming high silver chloride color photographic material having improved spectral sensitivity and silver removability for use therewith Tadashi Ikeda 1989-06-06