Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6582802 | Ink jet recording medium | Keiji Ohbayashi, Yoshinori Tsubaki | 2003-06-24 |
| 5011765 | Dye forming coupler for photographic use | Yutaka Kaneko | 1991-04-30 |
| 4950585 | Coupler for photographic use | Yutaka Kaneko | 1990-08-21 |
| 4916051 | Silver halide color photographic light-sensitive material | Yutaka Kaneko | 1990-04-10 |
| 4873183 | Silver halide color photographic light-sensitive material containing pyrazoloazole type cyan coupler | Yutaka Kaneko, Fumio Ishii | 1989-10-10 |
| 4631251 | Heat-developable color photo-sensitive material with polymeric coupler | Tawara Komamura, Shunji Suginaka | 1986-12-23 |