Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872162 | Communication system | Shotaro Tanaka, Masao Ikezaki, Yukiko Ono | 1989-10-03 |
HS
Hiroshi Sasanuma
Overall (1989): #104,246 of 140,708Top 75%
1
Patents 1989