Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8477722 | Handoff control method and a mobile station employing the same | Yukinori Asada, Yoshinori Chida, Fumiharu Nakahara | 2013-07-02 |
| 8130816 | Receiver for receiving a spectrum dispersion signal | Osamu Hasegawa, Toshiya Eguchi | 2012-03-06 |
| 7953406 | Access point | Takashi Itamiya, Tatsuo Horikoshi, Kuniaki Akatsuka, Taketoshi Arakawa | 2011-05-31 |
| 7865195 | Mobile communication terminal and position monitoring method | Masaru Uemura, Takashi Iida, Shinji Ueno, Hidenori Sakaniwa, Norikazau Takahashi +1 more | 2011-01-04 |
| 7606198 | Handoff control method and a mobile station employing the same | Yukinori Asada, Yoshinori Chida, Fumiharu Nakahara | 2009-10-20 |
| 7471715 | Receiver for receiving a spectrum dispersion signal | Osamu Hasegawa, Toshiya Eguchi | 2008-12-30 |
| 7447256 | Receiver for receiving a spectrum dispersion signal | Osamu Hasegawa, Toshiya Eguchi | 2008-11-04 |
| 7400667 | Receiver for receiving a spectrum dispersion signal | Osamu Hasegawa, Toshiya Eguchi | 2008-07-15 |
| 7397777 | Handoff control method and a mobile station employing the same | Yukinori Asada, Yoshinori Chida, Fumiharu Nakahara | 2008-07-08 |
| 7269203 | Receiver for receiving a spectrum dispersion signal | Osamu Hasegawa, Toshiya Eguchi | 2007-09-11 |
| 7035309 | Receiver for receiving a spectrum dispersion signal | Osamu Hasegawa, Toshiya Eguchi | 2006-04-25 |
| 6625202 | Mobile station for spread spectrum communication | Osamu Hikino, Kazutoshi Higuchi | 2003-09-23 |
| 6363101 | Receiver for receiving a spectrum dispersion signal | Osamu Hasegawa, Toshiya Eguchi | 2002-03-26 |
| 5778314 | Speech message recording and reproducing method and apparatus | Yasuaki Takahara, Toru Tanaka | 1998-07-07 |
| 5696792 | Digital radiocommunication terminal | Yasuaki Takahara, Katsumi Takeda, Jun Yamada | 1997-12-09 |
| 5493710 | Communication system having oscillation frequency calibrating function | Yasuaki Takahara | 1996-02-20 |
| 5450613 | Mobile communications equipment which detects and notifies when it is moved into or out of a service area | Yasuaki Takahara, Shuuichi Sekiguchi | 1995-09-12 |
| 5361047 | PI/4 shift QPSK modulator and communication apparatus used therewith | Yasuaki Takahara, Tomohiro Esaki, Teiji Okamoto | 1994-11-01 |
| 5210775 | .pi./4 shift QPSK modulator and communication apparatus | Yasuaki Takahara, Tomohiro Ezaki, Teiji Okamoto | 1993-05-11 |