Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845072 | Thermosensitive recording material | Kiyotaka Iiyama | 1989-07-04 |
HF
Hiromi Furuya
Overall (1989): #105,622 of 140,708Top 80%
1
Patents 1989