Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886738 | Silver halide color photographic material | Naoyasu Deguchi, Sadao Kamei, Kensuke Goda, Yasuhiro Hayashi | 1989-12-12 |
| 4828972 | Method for manufacturing silver halide emulsion | Mikio Ihama, Tadaaki Tani, Naoyasu Deguchi | 1989-05-09 |