Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702800 | Abrasive tape for magnetic information reading apparatus for photographic use, abrasive tape package, and a method for cleaning the apparatus | Katsumi Ryoke | 1997-12-30 |
| 5667959 | Silver halide photographic material and hydroxamic acid based compound used therefor | Hisashi Mikoshiba, Hiroo Takizawa, Junichiro Hosokawa, Yoshio Ishii, Masakazu Morigaki | 1997-09-16 |
| 5630927 | Silver halide color light-sensitive material | Toshio Kawagishi, Kensuke Morita, Yoshio Ishii | 1997-05-20 |
| 5631122 | Silver halide color photographic material | Katsuyoshi Yamakawa | 1997-05-20 |
| 5597682 | Silver halide color photographic material | Yoshio Ishii, Masakazu Morigaki | 1997-01-28 |