Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10567876 | Microphone unit and audio apparatus | — | 2020-02-18 |
| 7081677 | Thermoelectric module | Masayoshi Yamashita, Naoki Kamimura, Katsuhiko Onoue, Toshiharu Hoshi | 2006-07-25 |