Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8433247 | Radio communication system, radio communication apparatus and radio communication method | Masayuki Fujita | 2013-04-30 |
| 7068677 | Subscriber radio access system | Koji Arai, Kenichi Aoki | 2006-06-27 |
| 6519229 | Transmission path interface apparatus | Koji Arai | 2003-02-11 |