Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798485 | Electronic typewriter with a detector switch | Kenji Sakakibara, Michitoshi Akao | 1989-01-17 |
HO
Hiroshi Onoda
Overall (1989): #104,354 of 140,708Top 75%
1
Patents 1989