Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7082310 | Radio communication system, frequency allocation method and frequency allocation device | Tomoaki Hirayama, Tadao Takami | 2006-07-25 |
| 6658257 | Radio communication system, frequency allocation method and frequency allocation device | Tomoaki Hirayama, Tadao Takami | 2003-12-02 |
| 6556552 | Signal strength measurement method and device | Hisashi Nakagomi, Tadao Takami, Akihiro Higashi | 2003-04-29 |
| 5983097 | Mobile communication scheme for efficiently regulating service through micro-cell system in coordination with service through macro-cell system | Kazuhiko Kakinuma, Masaaki Yoshimi, Tatsuaki Wakabayashi | 1999-11-09 |
| 5826197 | Mobile communication system using base station frequency correction scheme | Teruya Fujii, Katsunori Hamada, Kazuhiko Kakinuma, Masaaki Yoshimi, Tatsuaki Wakabayashi | 1998-10-20 |
| 5732327 | Method for automatic creation of peripheral zone information | Masaaki Yoshimi, Kazuhiko Kakinuma, Tatsuaki Wakabayashi | 1998-03-24 |
| 5603093 | Method for monitoring the state of interference by a base station of a mobile radio communication system | Masaaki Yoshimi, Kazuhiko Kakinuma, Tatsuaki Wakabayashi | 1997-02-11 |
| 5408684 | Control channel selecting method for mobile stations | Kazufumi Yunoki, Katsumi Kobayashi | 1995-04-18 |