Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7782314 | Device and system for synchronizing image signals transmitted with superimposed signals | — | 2010-08-24 |
| 7565214 | Audio system for playing back recorded information by remote transmission | Keiji Miyatsu, Toshimasa Sato | 2009-07-21 |