Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7352994 | Method, system and recording medium using a relay device for detecting and inhibiting communication | Kazuya Oyama | 2008-04-01 |
| 7137138 | Broadcast signal receiving system | Akira Shibata, Kohzoh Hirata | 2006-11-14 |