Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11240581 | Earpiece and earphone using the same | — | 2022-02-01 |
| 7418624 | Hot standby system | Masaya Ichikawa, Yuzuru Maya | 2008-08-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11240581 | Earpiece and earphone using the same | — | 2022-02-01 |
| 7418624 | Hot standby system | Masaya Ichikawa, Yuzuru Maya | 2008-08-26 |