Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324625 | Silver halide color photographic light-sensitive material | Shigeto Hirabayashi, Yasushi Usagawa, Nobuaki Kagawa | 1994-06-28 |
| 5290669 | Silver halide color photographic light-sensitive material | Shigeto Hirabayashi, Yasushi Usagawa, Nobuaki Kagawa | 1994-03-01 |
| 5208137 | Silver halide photographic light-sensitive material | Yasushi Usagawa, Nobuaki Kagawa | 1993-05-04 |
| 5204236 | Silver halide photographic materials | Reiko Yamauchi | 1993-04-20 |
| 4996138 | Silver halide photographic light-sensitive material | Kazuhiro Murai, Shun Takada, Nobuaki Kagawa | 1991-02-26 |
| 4960686 | Silver halide photographic light-sensitive material containing oxonol dye | Shinri Tanaka, Tamotsu Kojima, Nobuaki Kagawa | 1990-10-02 |
| 4774053 | Silver halide photographic light-sensitive material | Satoshi Nakagawa, Shuji Kida, Kosaku Masuda | 1988-09-27 |