Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7254132 | Mobile communication system, mobile communication method, wireless base station, mobile station, and program | Toshiaki Takao, Narumi Umeda, Hijin Sato | 2007-08-07 |
| 7254409 | Multicast service providing system, multicast service providing method, information distributor, radio terminal, and radio base station | Hijin Sato, Toshiaki Takao, Narumi Umeda | 2007-08-07 |
| 7136662 | Wireless base station, method of selecting wireless base station, method of multicasting, and wireless terminal | Hijin Sato, Narumi Umeda, Toshiaki Takao | 2006-11-14 |
| 6351498 | Robust digital modulation and demodulation scheme for radio communications involving fading | Yasushi Yamao, Shogo Ito, Shinzo Ohkubo, Fumiyuki Adachi | 2002-02-26 |