SI

Sadayasu Ishikawa

KO Konica: 18 patents #72 of 1,958Top 4%
Overall (All Time): #260,162 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6623917 Silver halide photographic emulsion Katsuhiko Suzuki, Hiroshi Takada 2003-09-23
6432626 Silver halide emulsion and silver halide color photographic material Hideo Sugimoto 2002-08-13
6395464 Silver halide emulsion Katsuhiko Suzuki, Hiromoto Il 2002-05-28
6245498 Silver halide emulsion Katsuhiko Suzuki, Hiromoto Ii 2001-06-12
6171738 Method of preparing silver halide emulsion Hiroshi Takada, Satoshi Ito 2001-01-09
6120980 Silver halide emulsion and silver halide color photographic material by use thereof Hiromoto Ii, Rieko Ren 2000-09-19
6080537 Silver halide emulsion, preparation method thereof and silver halide photographic material Hideo Sugimoto 2000-06-27
5906914 Silver halide light sensitive photographic material Kumiko Taguchi 1999-05-25
5744296 Silver halide color photographic light-sensitive material Katsuhiko Suzuki 1998-04-28
H1594 Silver halide color photographic light-sensitive material Tadanobu Sekiya 1996-09-03
5523202 Silver halide emulsion and process for its preparation Hirofumi Ohtani, Yoshikazu Ito 1996-06-04
5460936 Silver halide photographic emulsion and silver halide photographic light-sensitive material Toshiya Kondo 1995-10-24
5380640 Silver halide photographic emulsion and silver halide photographic light-sensitive material using the same Toshiya Kondo 1995-01-10
5372975 Silver halide photographic emulsion Hiroshi Takada, Toshiya Kondo 1994-12-13
5362618 Silver halide photographic light-sensitive material Shigetami Kasai, Yasuo Honda 1994-11-08
5358842 Silver halide photographic light-sensitive material Shigetami Kasai, Tadanobu Sekiya 1994-10-25
5273871 Silver halide photographic emulsion and silver halide color photographic light-sensitive material incorporating it Hiroshi Takada, Shoji Matsuzaka 1993-12-28
4963467 Silver halide photographic emulsion Masaru Tsukamoto, Toshihiko Yagi 1990-10-16