Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798779 | Process for forming an image by silver salt diffusion transfer | Yoshio Idota, Hiroshi Hayashi, Hideki Tomiyama | 1989-01-17 |
YK
Yukio Karino
Overall (1989): #39,673 of 140,708Top 30%
1
Patents 1989