Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872008 | Key input device | Hitoshi Kurita, Yasutel Fujii | 1989-10-03 |
AO
Akinori Ohtsuka
Overall (1989): #134,487 of 140,708Top 100%
1
Patents 1989