Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9241220 | Speaker device | Yasumi Umetsu | 2016-01-19 |
| 8457344 | Speaker device | Hiroyuki Kobayashi, Toshihiro Hikichi, Yasuhisa Abe | 2013-06-04 |
| 8235167 | Vibrating body for speaker and speaker device | Hiroyuki Kobayashi, Toshihiro Hikichi, Takuei Nagasawa, Koji Takayama, Koji Maekawa +2 more | 2012-08-07 |
| 8139813 | Speaker device | Hiroyuki Kobayashi, Toshihiro Hikichi, Yasuhisa Abe | 2012-03-20 |
| 8131004 | Speaker apparatus | Teruaki Kaiya, Yuichi Takahashi | 2012-03-06 |
| 8111869 | Speaker device | Hiroshi Sato, Takuei Nagasawa, Hiroya Oizumi | 2012-02-07 |
| 8073184 | Speaker device | Michiro Matsuda, Hiroshi Sato | 2011-12-06 |
| 8045745 | Edge support for a speaker apparatus comprising multiple ridges | Teruaki Kaiya, Yuichi Takahashi | 2011-10-25 |
| 7961902 | Speaker apparatus and manufacturing method thereof | Hiroyuki Kobayashi | 2011-06-14 |
| 7936896 | Speaker apparatus | Teruaki Kaiya, Yuichi Takahashi | 2011-05-03 |
| 7903837 | Magnetic circuit for speaker device and speaker device | — | 2011-03-08 |
| 7672473 | Loudspeaker | Hiroshi Sato | 2010-03-02 |
| 7668333 | Speaker frame and speaker device having a speaker frame | Toshihiro Hikichi, Takashi Haba | 2010-02-23 |
| 7577270 | Dome-shaped diaphragm and speaker | Hiroshi Sato | 2009-08-18 |
| 7325650 | Speaker | Hiroshi Sato | 2008-02-05 |