Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8774445 | Battery case of headphone and headphone having the same | Hiroyasu Suzuki | 2014-07-08 |
| D626935 | Amplifier | Hisaya Hagiwara | 2010-11-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8774445 | Battery case of headphone and headphone having the same | Hiroyasu Suzuki | 2014-07-08 |
| D626935 | Amplifier | Hisaya Hagiwara | 2010-11-09 |