Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845700 | Front loading disc player | Masao Kase, Masatsugu Otaki, Masakazu Yamashita, Kenji Tanaka, Ryo Matsuura | 1989-07-04 |
TK
Toshiaki Koizumi
Overall (1989): #48,748 of 140,708Top 35%
1
Patents 1989