Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5279919 | Silver halide photographic material | Hisashi Okamura, Kazunobu Katoh | 1994-01-18 |
| 5252438 | Silver halide photographic materials | Hisashi Okamura, Kazunobu Katoh | 1993-10-12 |