Issued Patents All Time
Showing 1–25 of 108 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9825658 | Distortion compensation apparatus and distortion compensation method | Yuichi Utsunomiya, Hiroyoshi Ishikawa, Daisuke Ogawa | 2017-11-21 |
| 9819370 | Distortion compensation device and distortion compensation method | Hiroyoshi Ishikawa, Tomoya Ota | 2017-11-14 |
| 9819372 | Radio communication device and burst distortion correcting method | Yuichi Utsunomiya, Daisuke Ogawa, Hiroyoshi Ishikawa | 2017-11-14 |
| 9813273 | Peak suppression device | Hiroyoshi Ishikawa, Toshio Kawasaki, Hikaru Ishikawa | 2017-11-07 |
| 9768891 | Distortion compensation device and distortion compensation method | Hiroyoshi Ishikawa, Tomoya Ota | 2017-09-19 |
| 9755877 | Peak suppression device and peak suppression method | Hiroyoshi Ishikawa, Hikaru Ishikawa, Takuro NISHIKAWA, Ryo Koizumi, Takeshi Sugiyama +1 more | 2017-09-05 |
| 9584168 | Distortion compensator and distortion compensation method | Tomoya Ota | 2017-02-28 |
| 9515861 | Peak suppression apparatus | Tomoya Ota, Hiroyoshi Ishikawa | 2016-12-06 |
| 9294047 | Power amplifier apparatus, transmitter apparatus, and method of controlling the power amplifier apparatus | Toshio Kawasaki, Hiroyoshi Ishikawa, Yuichi Utsunomiya, Alexander Nikolaevich Lozhkin, Hajime Hamada | 2016-03-22 |
| 9276799 | Wireless transmission apparatus and distortion compensation method | Yuichi Utsunomiya, Hiroyoshi Ishikawa | 2016-03-01 |
| 9270231 | Distortion compensation apparatus, wireless transmission apparatus, and distortion compensation method | Yuichi Utsunomiya, Hiroyoshi Ishikawa | 2016-02-23 |
| 9263994 | Amplifying device, distortion compensating device, and amplifying method | Nobukazu Fudaba, Hiroyoshi Ishikawa, Yuichi Utsunomiya, Toshio Kawasaki | 2016-02-16 |
| 9236893 | Distortion compensation device and distortion compensation method | Hiroyoshi Ishikawa | 2016-01-12 |
| 9225295 | Distortion compensation apparatus and distortion compensation method | Hiroyoshi Ishikawa, Satoshi Matsubara, Hideharu Shako | 2015-12-29 |
| 9203449 | Delay quantity estimation apparatus and delay quantity estimation method | Satoshi Matsubara, Hideharu Shako, Mitsuharu Hamano | 2015-12-01 |
| 9190964 | Distortion compensation device and distortion compensation method | Yuichi Utsunomiya, Hiroyoshi Ishikawa, Toshio Kawasaki, Alexander Nikolaevich Lozhkin | 2015-11-17 |
| 9100263 | Distortion compensation apparatus and distortion compensation method | Yuichi Utsunomiya, Hiroyoshi Ishikawa, Nobukazu Fudaba | 2015-08-04 |
| 8933752 | Power amplifier apparatus, distortion compensation coefficient updating method, and transmission apparatus | Yuichi Utsunomiya, Nobukazu Fudaba, Hiroyoshi Ishikawa, Hajime Hamada | 2015-01-13 |
| 8831135 | Address controller, transmitter, and address control method | Yuichi Utsunomiya | 2014-09-09 |
| 8792546 | Transmission circuit | Eisuke Fukuda, Yasushi Yamao | 2014-07-29 |
| 8787487 | Distortion compensation device and distortion compensating method | Hiroyoshi Ishikawa, Nobukazu Fudaba, Yuichi Utsunomiya | 2014-07-22 |
| 8737937 | Distortion compensation apparatus, transmitter, and distortion compensation method | Hiroyoshi Ishikawa, Nobukazu Fudaba | 2014-05-27 |
| 8712345 | Distortion compensation device, distortion compensation method, and radio transmitter | Hiroyoshi Ishikawa, Nobukazu Fudaba, Yuichi Utsunomiya | 2014-04-29 |
| 8655289 | Distortion compensation device, transmitter, and distortion compensation method | Nobukazu Fudaba, Hiroyoshi Ishikawa, Yuichi Utsunomiya | 2014-02-18 |
| 8619905 | Predistorter and distortion compensation method | Hiroyoshi Ishikawa, Nobukazu Fudaba, Yuichi Utsunomiya | 2013-12-31 |