Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8213671 | Speaker | Toshihiro Hikichi, Daisuke Itoh, Teruaki Kaiya | 2012-07-03 |
| 8023687 | Loudspeaker | Seiya Sato | 2011-09-20 |
| 7687001 | Method of manufacturing speaker edge member | Seiya Sato | 2010-03-30 |
| 7515728 | Speaker apparatus | Hiroyuki Kobayashi | 2009-04-07 |
| 7394913 | Speakers | Tomiaki Ando, Hiroyuki Kobayashi | 2008-07-01 |