YO

Yukio Ohya

KO Konica: 11 patents #186 of 1,958Top 10%
EI Eisai: 4 patents #282 of 998Top 30%
KC Konishiroku Photo Industry Co.: 3 patents #262 of 894Top 30%
Overall (All Time): #260,700 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5508159 Silver halide photographic light-sensitive material Masato Okuyama 1996-04-16
5405739 Silver halide photographic light-sensitive material Masato Okuyama 1995-04-11
5382503 Silver halide emulsion and silver halide photographic light-sensitive material Shuji Murakami, Makoto Kaga 1995-01-17
5340710 Photosensitive silver halide photographic material Syoji Matsuzaka, Yasushi Irie, Shuji Murakami, Satomi Asano, Hiroshi Okusa +1 more 1994-08-23
5316933 Recombinant natural killer cell activator Kentaro Yoshimatsu, Yasushi Shikata, Isao Tanaka, Yoshikazu Hasegawa, Toshio Seto +1 more 1994-05-31
5278041 Silver halide color photographic light sensitive material Shuji Murakami, Tsuyoshi Ikeda, Shigeo Tanaka, Mitsuhiro Okumura 1994-01-11
5278040 Silver halide photographic light sensitive material Shuji Murakami, Masanobu Miyoshi, Hideaki Maekawa 1994-01-11
5246828 Light-sensitive silver halide photographic material Masato Okuyama 1993-09-21
5185431 Recombinant natural killer cell activator Kentaro Yoshimatsu, Yasushi Shikata, Isao Tanaka, Yoshikazu Hasegawa, Toshio Seto +1 more 1993-02-09
5106725 Silver halide grains and photosensitive silver halide photographic materials Syoji Matsuzaka 1992-04-21
5039601 Silver halide emulsions with silver halide grain groups of different desensitizing agent content Syoji Matsuzaka, Hirofumi Ohtani, Yoshiro Ito, Mineko Ito 1991-08-13
5015563 Silver halide light-sensitive color photographic material suitable for rapid processing comprising a mercapto or an azaindene compound Yoshiyuki Nonaka 1991-05-14
4894322 Light-sensitive silver halide color photographic material Shigeto Hirabayashi, Syoji Matsuzaka, Yoshiyuki Nonaka 1990-01-16
4769315 Silver halide grain and light-sensitive photographic material containing said silver halide grain Yoshihiko Suda, Syoji Matsuzaka, Yasuo Tosaka 1988-09-06
4758504 Silver halide grains, light-sensitive photographic material containing the same and method for preparing silver halide photographic emulsion containing the same Syoji Matsuzaka, Yasuo Tosaka, Yoshihiko Suda 1988-07-19
4710453 Silver halide color photographic material Shigeto Hirabayashi, Syoji Matsuzaka, Yoshiyuki Nonaka 1987-12-01
4285939 Cephalosporin derivatives, and antibacterial drugs containing the derivatives Yoshimasa Machida, Isao Saito, Motosuke Yamanaka, Seiichiro Nomoto, Shigeto Negi +4 more 1981-08-25
4285941 Cephalosporin compounds and antibacterial drugs containing the same Yoshimasa Machida, Isao Saito, Seiichiro Nomoto, Shigeto Negi, Takeo Kanai +3 more 1981-08-25