Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841499 | Multi-disc player | Akira Takahashi, Masahiko Kawamura, Kiyoshi Morikawa, Sei Onishi | 1989-06-20 |
TK
Testuro Kamimura
Overall (1989): #51,680 of 140,708Top 40%
1
Patents 1989