Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7147680 | Hydrogen purification apparatus and method and fuel cell power generation system and method | Kiyoshi Taguchi, Kunihiro Ukai, Takeshi Tomizawa, Hidenobu Wakita | 2006-12-12 |
| 7132178 | Hydrogen generator, fuel cell system and control method of hydrogen generator | Kunihiro Ukai, Kiyoshi Taguchi, Hidenobu Wakita | 2006-11-07 |
| 7081795 | Predistortion circuit, low-distortion power amplifier, and control methods therefor | Toru Matsuura, Kaoru Ishida, Makoto Sakakura | 2006-07-25 |
| 7046972 | Predistortion linearizer and predistortion distortion compensation method, program, and medium | Toshimitsu Matsuyoshi, Kaoru Ishida | 2006-05-16 |
| 6989713 | Predistortion circuit, low-distortion power amplifier, and control methods therefor | Toru Matsuura, Kaoru Ishida, Makoto Sakakura | 2006-01-24 |
| 6977548 | Predistortion circuit, low-distortion power amplifier, and control methods therefor | Toru Matsuura, Kaoru Ishida, Makoto Sakakura | 2005-12-20 |
| 6972621 | Power amplifier | Toshimitsu Matsuyoshi, Kaoru Ishida | 2005-12-06 |
| 6960957 | Predistortion circuit, low-distortion power amplifier, and control methods therefor | Toru Matsuura, Kaoru Ishida, Makoto Sakakura | 2005-11-01 |
| 6960958 | Predistortion circuit, low-distortion power amplifier, and control methods therefor | Toru Matsuura, Kaoru Ishida, Makoto Sakakura | 2005-11-01 |
| 6940346 | Feedforward amplifier, communication apparatus, feedforward amplification method, program and medium | Masayuki Miyaji, Kaoru Ishida, Toshimitsu Matsuyoshi, Hisashi Adachi | 2005-09-06 |
| 6933780 | Predistortion circuit and power amplifier | Toru Matsuura, Kaoru Ishida, Makoto Sakakura | 2005-08-23 |
| 6902794 | Coated paper for printing and manufacturing method thereof | Tetsuya Hirabayashi, Terunobu Fukui | 2005-06-07 |
| 6833758 | Power amplifier | Toshimitsu Matsuyoshi, Kaoru Ishida | 2004-12-21 |
| 6728154 | Three-dimensional optical memory medium and process for producing same | Kiyotaka Miura | 2004-04-27 |
| 6720829 | Distortion-compensated amplifying circuit | Toshimitsu Matsuyoshi, Kaoru Ishida | 2004-04-13 |
| 6710652 | Feedforward amplifier | Masayuki Miyaji, Kaoru Ishida, Toshimitsu Matsuyoshi | 2004-03-23 |
| 6645893 | Glass suitable for optical functional elements and process for producing same | Kiyotaka Miura, Takuya Teshima, Natsuya Nishimura, Yoshinori Kubota | 2003-11-11 |
| 6590449 | Predistortion circuit, low-distortion power amplifier, and control methods therefor | Toru Matsuura, Kaoru Ishida, Makoto Sakakura | 2003-07-08 |
| 6545542 | Power amplifier with coupler for cross-coupling amplifiers for reduction of differential frequency component | Toshimitsu Matsuyoshi, Kaoru Ishida, Masayuki Miyaji | 2003-04-08 |
| 6507253 | Delay circuit and feedforward amplifier | Toshimitsu Matsuyoshi, Toru Matsuura, Kaoru Ishida | 2003-01-14 |
| 6458413 | Method of manufacturing coated paper for printing | Tetsuya Hirabayashi, Terunobu Fukui | 2002-10-01 |