Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672722 | Color fade inhibitor | Nobuo Seto, Yasuhiro Yoshioka | 1997-09-30 |
| 5667951 | Silver halide color photographic material containing photographic yellow dye-forming coupler | Hiroo Takizawa, Takeshi Nakamine, Yasuhiro Yoshioka | 1997-09-16 |
| 5667959 | Silver halide photographic material and hydroxamic acid based compound used therefor | Hisashi Mikoshiba, Hiroo Takizawa, Junichiro Hosokawa, Yoshio Ishii, Keiji Mihayashi | 1997-09-16 |
| 5612174 | Photographic yellow dye-forming couplers and silver halide color photographic materials containing the same | Hiroo Takizawa, Yasuhiro Yoshioka | 1997-03-18 |
| 5597682 | Silver halide color photographic material | Yoshio Ishii, Keiji Mihayashi | 1997-01-28 |