Issued Patents All Time
Showing 25 most recent of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11752150 | Anti-tumor immunotherapy enhancer | Yutaka Kawakami | 2023-09-12 |
| 8648625 | Frequency synthesizer | Kazuo Akaike, Tsukasa Kobata | 2014-02-11 |
| 8228970 | Signal processing device and wireless apparatus | Kaoru Kobayashi, Shigeru Takegishi | 2012-07-24 |
| 8090004 | Spectrum spread communication method and system using very weak power, and high frequency radio apparatus | Kaoru Kobayashi | 2012-01-03 |
| 7899633 | Sensing apparatus | Kazuo Akaike, Tsukasa Kobata | 2011-03-01 |
| 7893774 | VCO driving circuit and frequency synthesizer | Yasuo Kitayama, Hiroki Kimura, Naoki Onishi | 2011-02-22 |
| 7888974 | Frequency synthesizer | Tsukasa Kobata, Tsuyoshi Shiobara, Kazuo Akaike | 2011-02-15 |
| 7825701 | Frequency synthesizer | Tsukasa Kobata, Tsuyoshi Shiobara, Kazuo Akaike | 2010-11-02 |
| 7821344 | VCO driving circuit and frequency synthesizer | Yasuo Kitayama, Hiroki Kimura, Naoki Onishi | 2010-10-26 |
| 7603100 | High-frequency radio apparatus | Kazuo Akaike, Makoto Okamoto, Tsutomu Yamakawa, Minoru Fukuda, Kozo Ono | 2009-10-13 |
| 7538540 | Bus bar current detecting apparatus | — | 2009-05-26 |
| 7483368 | Method and detecting carrier shift amount in digital transmission signal, method of correcting carrier shift amount, and receiver employing these methods | Hiroyuki Takesue, Tatsuhiro Nakada | 2009-01-27 |
| 7398163 | Sensing apparatus | Kazuo Akaike, Tsukasa Kobata | 2008-07-08 |
| 7359314 | Signal transmission system for transmitting a signal with a guard interval and a demodulation method thereof | Satoshi Sakata | 2008-04-15 |
| 7242247 | Distortion compensation circuit, power amplifier using distortion compensation circuit, and distortion compensation signal generating method | Nobuo Hirose, Nobuo Murata, Yasutoshi Tada | 2007-07-10 |
| 7180368 | Distortion compensation circuit, distortion compensation signal generating method, and power amplifier | Nobuo Hirose, Fumihito Tomaru, Seiichi Sano | 2007-02-20 |
| 7016298 | Signal transmission/reception system of orthogonal frequency division multiplexing | Toshiyuki Akiyama, Tetsuomi Ikeda, Satoshi Okabe | 2006-03-21 |
| 6879630 | Automatic equalization circuit and receiver circuit using the same | Yoshiro Kokuryo, Hiroyuki Hamazumi | 2005-04-12 |
| 6813326 | Data transmission system, data transmission communication station, and data transmission method | Atsushi Miyashita, Toshiyuki Akiyama, Seiichi Sano, Hisao Koda, Itsuo Ishida +2 more | 2004-11-02 |
| 6745365 | Coder with error correction, decoder with error correction and data transmission apparatus using the coder and decoder | Yoshiro Kokuryo, Atsushi Mizuno, Kunihiko Kondo, Kenji Terada, Tetsuomi Ikeda | 2004-06-01 |
| 6611493 | Communication, transmission and receiving method and apparatus using orthogonal frequency division multiplexing modulation system | Atsushi Miyashita, Toshiyuki Akiyama, Seiichi Sano, Hiroyuki Takesue, Tatuhiro Nakada | 2003-08-26 |
| 6512798 | Digital communication system of orthogonal modulation type | Toshiyuki Akiyama, Atsushi Miyashita | 2003-01-28 |
| 6473466 | Data transmitting method and data transmitting apparatus accompanied with a plurality of transmitting of receiving antennas | Atsushi Miyashita, Seiichi Sano, Toshiyuki Akiyama, Tatuhiro Nakada | 2002-10-29 |
| 6381236 | Bi-directional digital transmission system and bi-directional digital transmission method | Atsushi Miyashita, Toshiyuki Akiyama | 2002-04-30 |
| 6381251 | Data transmission apparatus and receiving apparatus using orthogonal frequency division multiplex modulation system | Seiichi Sano, Toshiyuki Akiyama, Atsushi Miyashita | 2002-04-30 |