Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8516681 | Loud speaker manufacturing method | Mitsukazu Kuze, Satoshi Itoh, Masashi Kawabe, Mamiko Tsutsumi | 2013-08-27 |
| D571358 | Speaker | Takahiko Yoshinaga, Takeshi Shimokawatoko, Koji Sano | 2008-06-17 |
| D565548 | Speaker | Takahiko Yoshinaga, Takeshi Shimokawatoko, Koji Sano | 2008-04-01 |