Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831387 | Thermal transfer recording apparatus having erasing function | Masatoshi Sakaguchi | 1989-05-16 |
OS
Osamu Sakaue
Overall (1989): #71,861 of 140,708Top 55%
1
Patents 1989