Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372918 | Method of processing a silver halide color reversal photographic light-sensitive material | Hideo Usui, Yasuo Mukunoki | 1994-12-13 |
| H1015 | Method of processing a silver halide color reversal photographic | Hideo Usui, Yasuo Nukunoki | 1992-01-07 |