Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4926487 | Speaker system | Tetsuji Yoshida, Yoshiaki Teraoka, Yoji Ogawa, Kenji Hara, Hiroshi Satou +1 more | 1990-05-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4926487 | Speaker system | Tetsuji Yoshida, Yoshiaki Teraoka, Yoji Ogawa, Kenji Hara, Hiroshi Satou +1 more | 1990-05-15 |