Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8416704 | Radio communication system and communication method | Toshiyuki Sugitani, Shigeki Yagi, Tetsuya Ashizuka, Shinji Fukuda, Takatsugu Ito | 2013-04-09 |
| 7555030 | Radio communication apparatus and interference avoiding method | Shinji Fukuda | 2009-06-30 |
| 7489673 | Wireless communication system and communication method | Shigeki Yagi, Tetsuya Ashizuka, Toshiyuki Sugitani, Takatsugu Ito, Shinji Fukuda | 2009-02-10 |
| 7356104 | Radio communication apparatus and interference avoiding method | Shinji Fukuda | 2008-04-08 |
| 7050821 | Digital radio communications apparatus | Koji Nitta, Katsumi Nakagawa, Shinji Fukuda, Takatsugu Ito | 2006-05-23 |
| 5559861 | Button telephone system which displays line status information | — | 1996-09-24 |