Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7450533 | Wireless transmitting device and wireless receiving device | Tsuguhide Aoki, Kazumi Sato | 2008-11-11 |
| 7415074 | MIMO transmission and reception methods and devices | Tsuguhide Aoki, Hiroshi Yoshida | 2008-08-19 |
| 7305232 | Apparatus and method for mapping a location of wireless base stations in a mobile communication system | Naoko Ono, Hiroki Shoki, Takehiko Toyoda, Hiroshi Yoshida, Shuichi Sekine +1 more | 2007-12-04 |
| 7292866 | Mobile communications terminal, service area calculation apparatus and method of calculating service area | Hiroki Shoki, Shuichi Sekine, Kuniaki Ito, Naoko Ono, Hiroshi Yoshida +1 more | 2007-11-06 |
| 7245894 | Radio receiver and radio signal processing method with controlling gain | Takahiro Sekiguchi, Hiroshi Yoshida, Takehiko Toyoda | 2007-07-17 |
| 7179019 | Method and structure for laying communication cable in underground line, and members used for laying | Fumiaki Tsuchiya, Isaburo Yagi, Katsuhiko Azuma, Nobuyasu Kishibe, Koji Aso +1 more | 2007-02-20 |
| 7120417 | Mobile communications terminal, service area calculation apparatus and method of calculating service area | Hiroki Shoki, Shuichi Sekine, Kuniaki Ito, Naoko Ono, Hiroshi Yoshida +1 more | 2006-10-10 |
| 7043271 | Radio communication system | Yasushi Murakami, Osamu Shibata, Hidehiro Matsuoka | 2006-05-09 |
| 6965739 | Optical communication system | Tazuko Tomioka, Shigeru Ohshima | 2005-11-15 |
| 6504636 | Optical communication system | Tazuko Tomioka, Shigeru Ohshima | 2003-01-07 |
| 6417942 | Optical communication system and method of controlling optical communication system | Tazuko Tomioka, Shigeru Ohshima | 2002-07-09 |
| 5937116 | Optical transmission system and method using wavelength division multiplex | — | 1999-08-10 |