Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7689186 | Frequency band allocation device and method | Naoto Matoba, Masashige Shirakabe, Hitoshi Yoshino | 2010-03-30 |
| 7672221 | Radio receiver and radio signal receiving method | Hiromasa Fuji, Hitoshi Yoshino | 2010-03-02 |
| 7616554 | Controller and transmission and reception method for radio communications in a transceiver for radio communications | Takahiro Asai, Yasuhiro Oda, Hitoshi Yoshino | 2009-11-10 |
| 7609752 | Transmitter and transmission control method used in random access communication environment | Hiromasa Fujii, Hitoshi Yoshino | 2009-10-27 |
| 7502341 | Multiband mobile communication system and transmitter used therein | Naoto Matoba, Masashige Shirakabe, Hitoshi Yoshino | 2009-03-10 |
| 7463577 | OFDM communication method and OFDM communication device | Hiroaki Sudo, Yusuke Asai | 2008-12-09 |
| 7242720 | OFDM signal communication system, OFDM signal transmitting device and OFDM signal receiving device | Yusuke Asai, Satoshi Kurosaki, Masahiro Umehira, Daisei UCHIDA, Yasuo Suzuki | 2007-07-10 |
| 6188697 | ATM cell transport system for wireless communications | Masahiro Umehira, Hijin Satoh, Atsushi Ohta, Yuichi Sagawa | 2001-02-13 |
| 5862175 | Digital transmission apparatus using differential coding and forward error correction | Masahiro Umehira | 1999-01-19 |
| 5280537 | Digital communication system using superposed transmission of high speed and low speed digital signals | Shuji Kubota, Masahiro Morikura, Kiyoshi Enomoto, Shuzo Kato | 1994-01-18 |