Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865901 | Thermal transfer printing ribbon | Mikio Imaeda | 1989-09-12 |
HO
Hatsue Ohno
Overall (1989): #107,994 of 140,708Top 80%
1
Patents 1989