Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10154340 | Microphone | Hiroshi Ogura, Kazumoto Doi | 2018-12-11 |
| D466493 | Card type speaker | — | 2002-12-03 |
| D466102 | Card type speaker | — | 2002-11-26 |
| D465775 | Card type speaker | — | 2002-11-19 |
| D465776 | Card type speaker | — | 2002-11-19 |
| D461790 | Card type speaker | — | 2002-08-20 |