Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376522 | Silver halide photographic material | Hideki Takiguchi, Tomoyuki Nakayama, Hakubun Ohashi | 1994-12-27 |
| 5324625 | Silver halide color photographic light-sensitive material | Shigeto Hirabayashi, Yasushi Usagawa, Yasuhiko Kawashima | 1994-06-28 |
| 5302506 | Silver halide photographic materials | Shinri Tanaka | 1994-04-12 |
| 5290669 | Silver halide color photographic light-sensitive material | Shigeto Hirabayashi, Yasushi Usagawa, Yasuhiko Kawashima | 1994-03-01 |