Issued Patents All Time
Showing 1–25 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9294047 | Power amplifier apparatus, transmitter apparatus, and method of controlling the power amplifier apparatus | Toshio Kawasaki, Hiroyoshi Ishikawa, Kazuo Nagatani, Yuichi Utsunomiya, Alexander Nikolaevich Lozhkin | 2016-03-22 |
| 8933752 | Power amplifier apparatus, distortion compensation coefficient updating method, and transmission apparatus | Kazuo Nagatani, Yuichi Utsunomiya, Nobukazu Fudaba, Hiroyoshi Ishikawa | 2015-01-13 |
| 8605815 | Delay amount estimating apparatus and signal transmitting apparatus | Yuichi Utsunomiya, Hiroyoshi Ishikawa, Nobukazu Fudaba, Kazuo Nagatani | 2013-12-10 |
| 8571495 | Distortion compensation apparatus and method | Kazuo Nagatani, Yuichi Utsunomiya, Hiroyoshi Ishikawa, Nobukazu Fudaba, Shohei ISHIKAWA | 2013-10-29 |
| 8520770 | Amplitude suppressing apparatus and signal transmitting apparatus | Hiroyoshi Ishikawa, Nobukazu Fudaba, Yuichi Utsunomiya, Kazuo Nagatani | 2013-08-27 |
| 8493144 | Distortion compensation device, radio communication device, and distortion compensation method | Hiroyoshi Ishikawa, Nobukazu Fudaba, Yuichi Utsunomiya, Kazuo Nagatani, Yasuyuki Oishi | 2013-07-23 |
| 8489037 | Power amplifying apparatus with bandwidth limitation processing on variable power supply | Nobukazu Fudaba, Hiroyoshi Ishikawa, Yuichi Utsunomiya, Kazuo Nagatani | 2013-07-16 |
| 8452250 | DC offset compensation method and DC offset compensation device | Hiroyoshi Ishikawa, Nobukazu Fudaba, Kazuo Nagatani, Tokuro Kubo | 2013-05-28 |
| 8451055 | Distortion compensating apparatus, transmitting apparatus, and distortion compensating method | Nobukazu Fudaba, Hiroyoshi Ishikawa, Yuichi Utsunomiya, Kazuo Nagatani | 2013-05-28 |
| 8442157 | Wireless apparatus and signal processing method | Hiroyoshi Ishikawa, Kazuo Nagatani, Nobukazu Fudaba, Yuichi Utsunomiya, Takeshi Ohba +2 more | 2013-05-14 |
| 8433262 | Transmission device and transmission method | Yuichi Utsunomiya, Nobukazu Fudaba, Hiroyoshi Ishikawa, Kazuo Nagatani | 2013-04-30 |
| 8270530 | Apparatus and method of compensating distortion | Hiroyoshi Ishikawa, Yuichi Utsunomiya, Kazuo Nagatani, Nobukazu Fudaba, Hideharu Shako | 2012-09-18 |
| 8254857 | Radio communication device and radio communication method | Nobukazu Fudaba, Hiroyoshi Ishikawa, Yuichi Utsunomiya, Kazuo Nagatani | 2012-08-28 |
| 8154341 | Power amplifying apparatus | Hiroyoshi Ishikawa, Nobukazu Fudaba, Yuichi Utsunomiya, Kazuo Nagatani, Toru Maniwa | 2012-04-10 |
| 8130866 | Peak suppressing apparatus, peak suppressing method, and wireless communication device | Kazuo Nagatani, Hiroyoshi Ishikawa, Nobukazu Fudaba, Yuichi Utsunomiya | 2012-03-06 |
| 8102941 | Peak suppression control apparatus | Tokuro Kubo, Kazuo Nagatani, Hiroyoshi Ishikawa, Nobukazu Fudaba | 2012-01-24 |
| 8064529 | Peak suppressor | Kazuo Nagatani, Hiroyoshi Ishikawa, Nobukazu Fudaba | 2011-11-22 |
| 8009756 | Peak suppressing and restoring method, transmitter, receiver, and peak suppressing and restoring system | Hiroyoshi Ishikawa, Nobukazu Fudaba, Yuichi Utsunomiya, Kazuo Nagatani | 2011-08-30 |
| 7991073 | Distortion compensation apparatus and method | Yuichi Utsunomiya, Hiroyoshi Ishikawa, Nobukazu Fudaba, Kazuo Nagatani | 2011-08-02 |
| 7983636 | Amplifier control device | Hiroyoshi Ishikawa, Nobukazu Fudaba, Kazuo Nagatani, Yasuhito Funyu, Norio Tozawa +1 more | 2011-07-19 |
| 7969205 | Peak power reduction method | Kazuo Nagatani, Hiroyoshi Ishikawa, Nobukazu Fudaba, Yuichi Utsunomiya | 2011-06-28 |
| 7920644 | Predistortion apparatus and predistortion method | Hiroyoshi Ishikawa, Yuichi Utsunomiya, Kazuo Nagatani, Nobukazu Fudaba, Shohei ISHIKAWA | 2011-04-05 |
| 7881404 | Distortion correction control apparatus and distortion correction control method | Hiroyoshi Ishikawa, Kazuo Nagatani, Nobukazu Fudaba, Yuichi Utsunomiya, Yasuyuki Oishi | 2011-02-01 |
| 7860185 | Distortion compensating apparatus and power amplifier apparatus | Yuichi Utsunomiya, Hiroyoshi Ishikawa, Nobukazu Fudaba, Kazuo Nagatani | 2010-12-28 |
| 7856069 | Distortion compensation apparatus | Kazuo Nagatani, Hiroyoshi Ishikawa, Nobukazu Fudaba, Tokuro Kubo | 2010-12-21 |