Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667959 | Silver halide photographic material and hydroxamic acid based compound used therefor | Hisashi Mikoshiba, Hiroo Takizawa, Junichiro Hosokawa, Keiji Mihayashi, Masakazu Morigaki | 1997-09-16 |
| 5630927 | Silver halide color light-sensitive material | Toshio Kawagishi, Kensuke Morita, Keiji Mihayashi | 1997-05-20 |
| 5597682 | Silver halide color photographic material | Keiji Mihayashi, Masakazu Morigaki | 1997-01-28 |