Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5070431 | Display board illuminating device for passive displays | Hideki Kitazawa, Ryohei Terada, Tsutomu Kayama, Kohichi Tanimoto, Nobuo Utsugi +1 more | 1991-12-03 |
| 4864551 | Multi-disk player system | Nobumitsu Tomita, Akira Takahashi | 1989-09-05 |
| 4737945 | Multi-disk player | Youichi Yamazaki, Kimihiro Yoshitake, Akira Takahashi, Nobumitsu Tomita | 1988-04-12 |