Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864551 | Multi-disk player system | Akira Takahashi, Shogo Takeuchi | 1989-09-05 |
| 4737945 | Multi-disk player | Youichi Yamazaki, Kimihiro Yoshitake, Shogo Takeuchi, Akira Takahashi | 1988-04-12 |