Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8041047 | Plug, sound inputting and outputting apparatus, and noise cancel system | Ryota Matsumoto, Ichiro Nakajima, Osamu Koshida | 2011-10-18 |
| 7901253 | Multiconductor jack and multiconductor plug | — | 2011-03-08 |