Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7551748 | Earphone | Shotaro Kamo, Eiji Matsuyama, Hajime Kitamura, Isao Fushimi | 2009-06-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7551748 | Earphone | Shotaro Kamo, Eiji Matsuyama, Hajime Kitamura, Isao Fushimi | 2009-06-23 |