Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881258 | Portable type mobile radio telephone | Ryoichi Kaiwa, Michiyoshi Kudo, Yuichiro Suganuma, Naotomo Adachi | 1989-11-14 |
KK
Keiki Kobayashi
Overall (1989): #88,479 of 140,708Top 65%
1
Patents 1989