Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4286053 | Process for forming dye images | Wataru Ishikawa, Kiyoshi Yamashita, Tugumoto Usui, Katsunori Kato | 1981-08-25 |
| 4234678 | Light-sensitive silver halide photographic materials | Shinji Yoshimoto, Mitsuto Fujiwhara, Shoji Kikuchi, Takaya Endo, Satoshi Nakagawa | 1980-11-18 |