Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362810 | Method for forming a cyan dye image | Yasushi Usagawa, Osamu Sasaki, Katsumi Matsuura | 1982-12-07 |
| 4314023 | Photographic silver halide materials containing yellow coupler | Tamotsu Kojima, Hiroyuki Imamura, Mitsuto Fujiwhara, Takaya Endo | 1982-02-02 |