Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7912479 | Radio-channel connection controller and mobile communication network system | Saburo Tanaka, Hisao Kawano | 2011-03-22 |
| 5838668 | Satellite broadcast communications system | Kazuhiro Okada, Koichiro Takeda | 1998-11-17 |