Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618652 | Image formation method by silver salt diffusion transfer | Shinji Ueda, Hisashi Okada | 1997-04-08 |
| 5614356 | Color developing agent, processing composition and color image-forming method | Kiyoshi Morimoto | 1997-03-25 |