Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832516 | Dot matrix print head | Kazuyoshi Suzuki, Tadashi Ishizuka | 1989-05-23 |
HN
Hideo Nagasawa
Overall (1989): #104,636 of 140,708Top 75%
1
Patents 1989