Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872008 | Key input device | Akinori Ohtsuka, Hitoshi Kurita | 1989-10-03 |
YF
Yasutel Fujii
Overall (1989): #42,265 of 140,708Top 35%
1
Patents 1989