Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4356258 | Silver halide color photographic material containing yellow coupler | Tugumoto Usui, Katsunori Kato | 1982-10-26 |
| 4314023 | Photographic silver halide materials containing yellow coupler | Hiroyuki Imamura, Mitsuto Fujiwhara, Wataru Fujimatsu, Takaya Endo | 1982-02-02 |