Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839272 | Heat-developable photosensitive material | Hiroyuki Hirai | 1989-06-13 |
HO
Hideki Ohmatsu
Overall (1989): #104,441 of 140,708Top 75%
1
Patents 1989