TI

Takatoshi Ishikawa

Fujitsu Limited: 122 patents #13 of 24,456Top 1%
FI Fujifilm Business Innovation: 8 patents #1,176 of 5,238Top 25%
AC Alps Electric Co.: 7 patents #261 of 2,177Top 15%
MC Minolta Co.: 5 patents #395 of 1,416Top 30%
Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
FC Fujisawa Pharmaceutical Co.: 1 patents #444 of 782Top 60%
📍 Yamanashi, JP: #3 of 1,957 inventorsTop 1%
Overall (All Time): #6,145 of 4,157,543Top 1%
151
Patents All Time

Issued Patents All Time

Showing 126–150 of 151 patents

Patent #TitleCo-InventorsDate
4801521 Method for processing silver halide color photographic material with a color developer comprising a hydrazine derivative Nobutaka Ohki, Nobuo Seto, Hideaki Naruse, Morio Yagihara, Kazuto Andoh +1 more 1989-01-31
4800153 Method for processing silver halide color photographic materials and a color photographic developer composition comprising hydroxylamine and stabilizer Kiyoshi Morimoto 1989-01-24
4798783 Method of processing silver halide color photographic material and photographic color developing composition Hiroshi Fujimoto, Nobutaka Ohki, Morio Yagihara 1989-01-17
4774167 Method for processing silver halide color photographic materials wherein the color developer contains low concentrations of benzyl alcohol, hydroxylamine and sulfite Toshio Koshimizu, Shinji Ueda 1988-09-27
4764455 Color image-forming process Jun Arakawa, Masahiro Okada 1988-08-16
4751518 Heating resistor as a thermal head resistive element Masakazu Kato 1988-06-14
4742361 Thermal print head Masakazu Kato, Takehiro Takoshima, Yoshimi Kamijyo 1988-05-03
4695530 Method for forming image using silver halide color photographic light-sensitive material Kotaro Nakamura 1987-09-22
4681835 Method of processing silver halide color photographic material containing pyrazoloazole-type magenta coupler using a final bath containing a soluble iron salt Kiyoshi Nakazyo 1987-07-21
4588677 Method for processing silver halide color photosensitive materials Junya Nakajima 1986-05-13
4543322 Process for the processing of color photographic silver halide light-sensitive material Junya Nakajima 1985-09-24
4542091 Color image forming process Noboru Sasaki, Keiichi Adachi 1985-09-17
4504577 Silver halide photographic materials Yoshinobu Yoshida, Nobuo Sakai 1985-03-12
4493888 Silver halide photographic light-sensitive material Katsusuke Endo, Eiichi Kato, Nobutaka Ohki 1985-01-15
4491630 Silver halide color photographic light-sensitive material Akio Mitsui, Masakazu Morigaki, Takashi Nakamura 1985-01-01
4486677 Encased electric motor employing gas as heat dissipating means Sakuei Yamamoto, Hiroshi Inao, Kiyonori Tokumitsu, Mitsuhiro Nishida, Shigekazu Sakabe 1984-12-04
4473635 Silver halide photographic light-sensitive material Katsusuke Endo, Sigeru Kuwazima, Eiichi Kato, Nobutaka Ohki 1984-09-25
4469781 Processing for silver halide color photographic materials Takashi Nakamura 1984-09-04
4465762 Method for color developing color photographic silver halide light-sensitive material Takashi Nakamura, Kotaro Nakamura 1984-08-14
4456682 Silver halide color photographic material Akio Mitsui, Masakazu Morigaki, Takashi Nakamura 1984-06-26
4444873 Color photographic processing Kiyoshi Imai, Mamoru Tashiro, Junya Nakajima 1984-04-24
4409324 Multilayer color photographic light-sensitive materials Akio Mitsui, Masakazu Morigaki, Takashi Nakamura 1983-10-11
4383027 Silver halide color photographic light-sensitive material and method for developing thereof Masakazu Morigaki, Takashi Nakamura, Nobuo Furutate 1983-05-10
4311574 Regeneration of photographic processing solutions 1982-01-19
4293639 Bleaching compositions for photographic processing Isamu Itoh, Taiji Hashimura 1981-10-06