Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841499 | Multi-disc player | Akira Takahashi, Testuro Kamimura, Masahiko Kawamura, Sei Onishi | 1989-06-20 |
KM
Kiyoshi Morikawa
Overall (1989): #87,087 of 140,708Top 65%
1
Patents 1989