Issued Patents All Time
Showing 51–75 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7493091 | Transmission circuit and communication device | Hisashi Adachi, Kaoru Ishida | 2009-02-17 |
| 7383027 | Transmission circuit | Hisashi Adachi | 2008-06-03 |
| 7280610 | Data converter, signal generator, transmitter and communication apparatus using the data converter or the signal generator, and data conversion method | Hisashi Adachi | 2007-10-09 |
| 7251462 | Modulation circuit device, modulation method and radio communication device | Hisashi Adachi, Masaharu Udagawa | 2007-07-31 |
| 7230996 | Transmitting circuit device and wireless communications device | Hisashi Adachi | 2007-06-12 |
| 7081795 | Predistortion circuit, low-distortion power amplifier, and control methods therefor | Kaoru Ishida, Makoto Sakakura, Seiji Fujiwara | 2006-07-25 |
| 6989713 | Predistortion circuit, low-distortion power amplifier, and control methods therefor | Kaoru Ishida, Makoto Sakakura, Seiji Fujiwara | 2006-01-24 |
| 6977548 | Predistortion circuit, low-distortion power amplifier, and control methods therefor | Kaoru Ishida, Makoto Sakakura, Seiji Fujiwara | 2005-12-20 |
| 6960958 | Predistortion circuit, low-distortion power amplifier, and control methods therefor | Kaoru Ishida, Makoto Sakakura, Seiji Fujiwara | 2005-11-01 |
| 6960957 | Predistortion circuit, low-distortion power amplifier, and control methods therefor | Kaoru Ishida, Makoto Sakakura, Seiji Fujiwara | 2005-11-01 |
| 6960959 | Power amplifier and communication apparatus | Naoki Komatsu, Hiroshi Isono, Kaoru Ishida | 2005-11-01 |
| 6933780 | Predistortion circuit and power amplifier | Seiji Fujiwara, Kaoru Ishida, Makoto Sakakura | 2005-08-23 |
| 6917241 | Amplifier circuit, transmission device, amplification method, and transmission method | Hisashi Adachi | 2005-07-12 |
| 6784817 | Data generating method, data generator, and transmitter using the same | Hisashi Adachi | 2004-08-31 |
| 6639471 | Power amplifier circuit, control method for power amplifier circuit, and portable terminal apparatus for mobile communication | Hisashi Adachi, Makoto Sakakura, Hiroyuki Handa, Toshio Obara | 2003-10-28 |
| 6590449 | Predistortion circuit, low-distortion power amplifier, and control methods therefor | Kaoru Ishida, Makoto Sakakura, Seiji Fujiwara | 2003-07-08 |
| 6507253 | Delay circuit and feedforward amplifier | Toshimitsu Matsuyoshi, Kaoru Ishida, Seiji Fujiwara | 2003-01-14 |
| 6323439 | Metal core multilayer resin wiring board with thin portion and method for manufacturing the same | Rokuro Kambe | 2001-11-27 |
| 6081694 | Mobile telephone transmitter with internal auxiliary matching circuit | Kaoru Ishida, Hiroaki Kosugi, Youichi Morinaga | 2000-06-27 |
| 6048986 | Method for preparing aromatic compounds | Shinji Ando, Shigekuni Sasaki, Fumio Yamamoto | 2000-04-11 |
| 5849934 | Method for preparing aromatic compounds | Shinji Ando, Shigekuni Sasaki, Fumio Yamamoto | 1998-12-15 |
| 5750731 | Perfluorinated aromatic compounds | Shinji Ando, Shigekuni Sasaki, Fumio Yamamoto | 1998-05-12 |
| 5539781 | Combining diversity apparatus with squelch function | — | 1996-07-23 |
| 5449741 | Polyimide optical material | Shinji Ando, Shigekuni Sasaki, Fumio Yamamoto | 1995-09-12 |
| 5233018 | Perfluorinated polyimide, perfluorinated poly(amic acid), starting compounds therefor, and methods for preparing them | Shinji Ando, Shigekuni Sasaki, Fumio Yamamoto | 1993-08-03 |