Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7023493 | Method for mutually controlling a plurality of video display and reproducing devices | — | 2006-04-04 |
| 6686848 | Remote control apparatus and electronic appliance controllable by same | — | 2004-02-03 |
| 6630889 | Security lock control method for remote control system | — | 2003-10-07 |
| 6233391 | Digital video recorder | Ayumu Okutani | 2001-05-15 |