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 126–150 of 156 patents

Patent #TitleCo-InventorsDate
4822726 Method for formation of color images and high silver chloride color photographic materials having improved spectral sensitivity and desilvering property for use therewith Tadashi Ikeda, Masaki Okazaki 1989-04-18
4818674 Silver halide emulsions comprising grains with (100) surfaces having conjugated (110) surface crystals thereon and method for the preparation thereof 1989-04-04
4806460 Multilayer silver halide color photographic materials Koji Takahashi, Seiichi Taguchi 1989-02-21
4797349 Method for forming a color image comprising developing a light sensitive material containing a surfactant with a developer not containing benzyl alcohol Osamu Takahashi, Minoru Sakai, Masaharu Toriuchi 1989-01-10
4791053 Silver halide photographic material 1988-12-13
4786588 Silver halide photographic materials 1988-11-22
4774168 Method for forming color image with a color developer not containing benzyl alcohol Yasuhito Momoki 1988-09-27
4762775 Silver halide photographic material Takeshi Hirose 1988-08-09
4735894 Silver halide photographic emulsion and photographic material containing the same which comprise junction-type silver halide crystal grains 1988-04-05
4686175 Silver halide multi-layered color photographic light sensitive material Masaki Okazaki 1987-08-11
4652515 Silver halide color photographic materials having improved development characteristics Jun Arakawa, Satoshi Nagaoka, Yuichi Ohashi, Koji Tamoto 1987-03-24
4627877 Method and apparatus for continuously producing a cement clinker Shunichiro Ono, Kyoichi Shibuya 1986-12-09
4617259 Silver halide color photographic material Satoshi Nagaoka, Yuichi Ohashi 1986-10-14
4599301 Silver halide color photographic material Yuichi Ohashi 1986-07-08
4532644 X-ray computerized tomograph Keiki Yamaguchi, Masayoshi Mitamura, Tooru Shimizu 1985-07-30
4484340 Multichannel current measuring apparatus for X-ray computerized tomograph Keiki Yamaguchi, Hideaki Uno 1984-11-20
4435503 Silver halide color photographic light-sensitive material Keiji Mihayashi, Morio Yagihara 1984-03-06
4426445 Silver halide photographic light-sensitive material Junji Minamizono, Mitunori Hirano, Yoshiro Kawashima 1984-01-17
4411987 Silver halide color photographic light-sensitive material Hidetoshi Kobayashi, Toshiyuki Watanabe, Keiichi Adachi 1983-10-25
4366237 Silver halide color photographic light-sensitive material Seiji Ichijima, Keiichi Adachi 1982-12-28
4301540 Electronic tuning type receiver with digital to analog converter Reisuke Sato 1981-11-17
4295823 Apparatus for continuously producing a cement clinker Shunichiro Ono, Kyoichi Shibuya 1981-10-20
4263581 Manual tuning pulse generator Masanao Okatani, Hiroshi Onishi, Yoshiaki Ishibashi, Reisuke Sato, Hisashi Suganuma +4 more 1981-04-21
4236901 Air cleaner with secondary air filter element Yasutosi Kato, Hideo Kamo, Kazuhiko Ito, Katsuziro Sato, Tatsuo ASAI 1980-12-02
4237373 Magnetic tape running state and tape run amount display device Masanao Okatani, Hiroshi Onishi, Yoshiaki Ishibashi, Reisuke Sato, Hisashi Suganuma +4 more 1980-12-02