Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832516 | Dot matrix print head | Hideo Nagasawa, Kazuyoshi Suzuki | 1989-05-23 |
TI
Tadashi Ishizuka
Overall (1989): #53,431 of 140,708Top 40%
1
Patents 1989