Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6788799 | Speaker device and associated method for manufacturing the speaker device | Yasuhisa Abe, Yoshitaka Kobayashi | 2004-09-07 |
| 6740202 | Speaker diaphragm and method of manufacturing same | Hideo Sekikawa, Koji Maekawa, Tomoyuki Shimada | 2004-05-25 |
| 6686877 | Satellite signal receiver | Akifumi Miyano | 2004-02-03 |