Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8379758 | Power supply apparatus and power supply method | Kouji Tsutsumi, Yasushi Sogabe, Toshihisa Kamemaru, Yoshihiko Konishi, Masataka Otsuka +2 more | 2013-02-19 |
| 7817742 | Power supply apparatus and power supply method | Kouji Tsutsumi, Yasushi Sogabe, Toshihisa Kamemaru, Yoshihiko Konishi, Masataka Otsuka +2 more | 2010-10-19 |
| 7501897 | High-power amplifier | Kazutomi Mori, Shintaro Shinjo, Masaharu Hattori, Kazunori Takahashi, Hiroaki Seki +1 more | 2009-03-10 |
| 7161433 | High-frequency amplifier | Hiroomi Ueda, Shintaro Shinjo, Kazutomi Mori, Akira Inoue, Akira Ohta +1 more | 2007-01-09 |
| 7002396 | Frequency converter | Eiji Taniguchi, Chiemi Sawaumi, Kenichi Maeda, Takayuki Ikushima, Hiroyuki Joba +1 more | 2006-02-21 |
| 6906411 | Multilayer substrate module and portable wireless terminal | Takatoshi Katsura, Kenji Itoh, Hiroaki Nagano, Youji Isota, Mitsuhiro Shimozawa +3 more | 2005-06-14 |
| 6873208 | High-frequency amplifier | Shintaro Shinjo, Kazutomi Mori, Hiroyuki Joba, Hiroaki Nagano, Mitsuru Motizuki +1 more | 2005-03-29 |
| 6784743 | High frequency amplifier and frequency mixer | Eiji Taniguchi, Chiemi Sawaumi, Kenichi Maeda, Takayuki Ikushima, Hiroyuki Joba +1 more | 2004-08-31 |
| 6650181 | High-frequency amplifier | Shintaro Shinjo, Kazutomi Mori, Hiroyuki Joba, Hiroaki Nagano, Mitsuru Motizuki +1 more | 2003-11-18 |
| 6329864 | Semiconductor circuitry | Masayoshi Ono, Tadashi Takagi | 2001-12-11 |
| 6201441 | Semiconductor circuit | Shigeru Sugiyama, Kensuke NAKAJIMA, Yoshitada Iyama, Fumimasa Kitabayashi | 2001-03-13 |
| 6118172 | High-frequency circuit device and manufacturing method thereof | Masao Yamawaki, Tatsuhiko Ikeda, Yoshihiro Kashiba | 2000-09-12 |
| 6094108 | Unbalance-to-balance converter utilizing a transistor | Shigeru Sugiyama, Masayoshi Ono, Yoshitada Iyama, Fumimasa Kitabayashi | 2000-07-25 |
| 6044255 | Radio frequency circuit with integrated elements and method of manufacture | Masayoshi Ono, Tadashi Kawahara, Mikio Uesugi, Kenji Hiroshige, Yoshitada Iyama | 2000-03-28 |
| 5787126 | Detector and receiving and transmitting apparatus | Kenji Itoh, Mitsuhiro Shimozawa, Kenji Kawakami, Akio Iida | 1998-07-28 |
| 5151664 | Low-distortion radio-frequency amplifying apparatus | Tadashi Takagi, Shuji Urasaki | 1992-09-29 |
| 5142240 | Amplifier circuit with correction of amplitude and phase distortions | Yoji Isota, Gen Toyoshima, Yukio Ikeda, Tadashi Takagi, Shuji Urasaki | 1992-08-25 |
| 5101172 | Linear amplifier | Yukio Ikeda, Gen Toyoshima, Yoji Isota, Tadashi Takagi, Shuji Urasaki | 1992-03-31 |
| 5093629 | Amplifier circuit having second order signal cancellation | Gen Toyoshima, Yukio Ikeda, Yoji Isota, Tadashi Takagi, Shuji Urasaki | 1992-03-03 |
| 5093637 | Modulation device with input signal modification for correction of amplifier nonlinearities | Yoji Isota, Gen Toyoshima, Yukio Ikeda, Tadashi Takagi, Shuji Urasaki | 1992-03-03 |
| 5043673 | Compensating circuit for a high frequency amplifier | Tadashi Takagi, Shuji Urasaki, Katsuhisa Uno, Masahiro Kamiyama | 1991-08-27 |