Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665529 | Color diffusion transfer photographic material | Atsuhiro Ohkawa, Hisashi Mikoshiba, Masaaki Tsukase, Hideaki Naruse | 1997-09-09 |
| 5643709 | Thermal transfer recording material | Takayoshi Kamio, Tomomi Tateishi | 1997-07-01 |