Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9554409 | Communication terminal apparatus, communication control system, and communication control method | — | 2017-01-24 |
| 9345056 | Frequency selection for device to device wireless communication | — | 2016-05-17 |
| 8452280 | Mobile radio terminal | Yoshiyuki Kubo | 2013-05-28 |
| 7409215 | Mobile communication hand-off control system and unit | Kengo Kurose, Miyuki Ogura | 2008-08-05 |
| 7292549 | Mobile radio terminal apparatus | — | 2007-11-06 |
| 7197020 | Radio communication system and base station | — | 2007-03-27 |
| 7099691 | Mobile radio terminal apparatus | — | 2006-08-29 |
| 6782008 | Control signal transmission timing control in radio communication system | — | 2004-08-24 |
| 6510187 | Mobile radio terminal and automatic frequency control circuit | Yutaka Asanuma | 2003-01-21 |
| 6421373 | Spread spectrum wireless communications device | — | 2002-07-16 |
| 6081548 | Spread spectrum radio communication apparatus | — | 2000-06-27 |
| 5959983 | Radio communication system | Manabu Ishibe, Shouichi Oshima, Yoshinori Nagao | 1999-09-28 |
| 5943362 | Spread spectrum radio communication system | — | 1999-08-24 |
| 5940432 | Spread spectrum radiocommunication device utilizing rake reception scheme | Hironori Yoshida | 1999-08-17 |
| 5914947 | Mobile radio communication system which allocates spread codes mobiles which are able to determine the distance between a mobile and a base station | — | 1999-06-22 |
| 5557647 | Baseband signal demodulator | Naohide Kushige, Mutsumu Serizawa | 1996-09-17 |
| 5511091 | Clock synchronization control check system | — | 1996-04-23 |