Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4304845 | Silver halide photographic materials containing photographic yellow coupler | Wataru Fujimatsu, Tamotsu Kojima, Shigemasa Itoh, Takaya Endo | 1981-12-08 |
| 4191574 | Process for forming a photographic magenta dye image | Takaya Endo, Shoji Kikuchi, Tamotsu Kozima, Tugumoto Usui, Hiroyuki Imamura +1 more | 1980-03-04 |