Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803146 | Method to form image for silver salt diffusion transfer using fogging agent | Noriyuki Inoue, Morio Yagihara | 1989-02-07 |
| 4798779 | Process for forming an image by silver salt diffusion transfer | Yukio Karino, Hiroshi Hayashi, Hideki Tomiyama | 1989-01-17 |