Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8085967 | Reversible speaker grill attachment | Yoichiro Sumitani | 2011-12-27 |
| 7970162 | Loudspeaker bobbin interconnection assembly | Yoichiro Sumitani | 2011-06-28 |
| 7899202 | Loudspeaker with cone-coupled damper | Yoichiro Sumitani | 2011-03-01 |
| 7458845 | Terminal assembly for selectively coupling loads in parallel and in series | Yoichiro Sumitani | 2008-12-02 |
| 7410361 | Terminal for selectively coupling loads in parallel or in series | Yoichiro Sumitani, Chih-Huang Hsiao | 2008-08-12 |