Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10659124 | Multiantenna communication device and coefficient update method | Takenori Ohshima, Yoji Ohashi, Hiroyoshi Ishikawa, Atsushi Honda, Toru Maniwa +3 more | 2020-05-19 |
| 9825658 | Distortion compensation apparatus and distortion compensation method | Hiroyoshi Ishikawa, Daisuke Ogawa, Kazuo Nagatani | 2017-11-21 |
| 9819372 | Radio communication device and burst distortion correcting method | Daisuke Ogawa, Hiroyoshi Ishikawa, Kazuo Nagatani | 2017-11-14 |
| 9294047 | Power amplifier apparatus, transmitter apparatus, and method of controlling the power amplifier apparatus | Toshio Kawasaki, Hiroyoshi Ishikawa, Kazuo Nagatani, Alexander Nikolaevich Lozhkin, Hajime Hamada | 2016-03-22 |
| 9276799 | Wireless transmission apparatus and distortion compensation method | Hiroyoshi Ishikawa, Kazuo Nagatani | 2016-03-01 |
| 9270231 | Distortion compensation apparatus, wireless transmission apparatus, and distortion compensation method | Hiroyoshi Ishikawa, Kazuo Nagatani | 2016-02-23 |
| 9263994 | Amplifying device, distortion compensating device, and amplifying method | Nobukazu Fudaba, Hiroyoshi Ishikawa, Toshio Kawasaki, Kazuo Nagatani | 2016-02-16 |
| 9190964 | Distortion compensation device and distortion compensation method | Hiroyoshi Ishikawa, Toshio Kawasaki, Alexander Nikolaevich Lozhkin, Kazuo Nagatani | 2015-11-17 |
| 9100263 | Distortion compensation apparatus and distortion compensation method | Hiroyoshi Ishikawa, Nobukazu Fudaba, Kazuo Nagatani | 2015-08-04 |
| 8933752 | Power amplifier apparatus, distortion compensation coefficient updating method, and transmission apparatus | Kazuo Nagatani, Nobukazu Fudaba, Hiroyoshi Ishikawa, Hajime Hamada | 2015-01-13 |
| 8831135 | Address controller, transmitter, and address control method | Kazuo Nagatani | 2014-09-09 |
| 8787487 | Distortion compensation device and distortion compensating method | Kazuo Nagatani, Hiroyoshi Ishikawa, Nobukazu Fudaba | 2014-07-22 |
| 8712345 | Distortion compensation device, distortion compensation method, and radio transmitter | Hiroyoshi Ishikawa, Kazuo Nagatani, Nobukazu Fudaba | 2014-04-29 |
| 8655289 | Distortion compensation device, transmitter, and distortion compensation method | Nobukazu Fudaba, Hiroyoshi Ishikawa, Kazuo Nagatani | 2014-02-18 |
| 8619905 | Predistorter and distortion compensation method | Hiroyoshi Ishikawa, Nobukazu Fudaba, Kazuo Nagatani | 2013-12-31 |
| 8605815 | Delay amount estimating apparatus and signal transmitting apparatus | Hiroyoshi Ishikawa, Nobukazu Fudaba, Hajime Hamada, Kazuo Nagatani | 2013-12-10 |
| 8571495 | Distortion compensation apparatus and method | Kazuo Nagatani, Hajime Hamada, Hiroyoshi Ishikawa, Nobukazu Fudaba, Shohei ISHIKAWA | 2013-10-29 |
| 8525592 | Power amplification device, transmitter, and power amplification control method | Nobukazu Fudaba, Hiroyoshi Ishikawa, Kazuo Nagatani | 2013-09-03 |
| 8520770 | Amplitude suppressing apparatus and signal transmitting apparatus | Hiroyoshi Ishikawa, Hajime Hamada, Nobukazu Fudaba, Kazuo Nagatani | 2013-08-27 |
| 8509349 | Transmitter and distortion compensating method | Kazuo Nagatani, Hiroyoshi Ishikawa, Nobukazu Fudaba, Toshio Kawasaki | 2013-08-13 |
| 8493144 | Distortion compensation device, radio communication device, and distortion compensation method | Hiroyoshi Ishikawa, Hajime Hamada, Nobukazu Fudaba, Kazuo Nagatani, Yasuyuki Oishi | 2013-07-23 |
| 8489037 | Power amplifying apparatus with bandwidth limitation processing on variable power supply | Nobukazu Fudaba, Hiroyoshi Ishikawa, Hajime Hamada, Kazuo Nagatani | 2013-07-16 |
| 8451055 | Distortion compensating apparatus, transmitting apparatus, and distortion compensating method | Nobukazu Fudaba, Hiroyoshi Ishikawa, Hajime Hamada, Kazuo Nagatani | 2013-05-28 |
| 8442157 | Wireless apparatus and signal processing method | Hiroyoshi Ishikawa, Kazuo Nagatani, Hajime Hamada, Nobukazu Fudaba, Takeshi Ohba +2 more | 2013-05-14 |
| 8433262 | Transmission device and transmission method | Nobukazu Fudaba, Hiroyoshi Ishikawa, Hajime Hamada, Kazuo Nagatani | 2013-04-30 |