Issued Patents All Time
Showing 25 most recent of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8035444 | Amplifier apparatus | Yoichi Okubo, Manabu Nakamura, Yasuhiro Takeda, Taizo Ito, Junya Dosaka +2 more | 2011-10-11 |
| 7719364 | High frequency power amplifier | Fumitake Kawanabe, Yoichi Okubo, Yasuo Sera, Manabu Nakamura, Taizo Ito | 2010-05-18 |
| 7714648 | Amplifying system | Yoichi Okubo, Yasuhiro Takeda, Manabu Nakamura, Masaru Adachi | 2010-05-11 |
| 7626455 | Distortion compensation apparatus | Taizo Ito, Yoichi Okubo, Junya Dosaka | 2009-12-01 |
| 7615188 | Apparatus for measuring absorbed power | Takahiro Iyama, Yoshiaki Tarusawa, Shinji Uebayashi | 2009-11-10 |
| 7327996 | High sensitivity radio receiver | Ning Chen, Yoshiaki Tarusawa, Kei Satoh, Shoichi Narahashi, Noriyoshi Terada | 2008-02-05 |
| 7227906 | Radio communication method and apparatus for multiplex transmission of plural signals in the same frequency band | Atsushi Fukuda, Yasunori Suzuki, Noriyoshi Terada | 2007-06-05 |
| 7203469 | Supergain array antenna system and method for controlling supergain array antenna | Ryo Yamaguchi, Noriyoshi Terada | 2007-04-10 |
| 7186377 | Absorption power measuring device | Takahiro Iyama, Yoshiaki Tarusawa, Shinji Uebayashi | 2007-03-06 |
| 7072409 | Space multiplex radio communication method and radio communication apparatus | Yasunori Suzuki, Tetsuo Hirota | 2006-07-04 |
| 7013087 | Communication system using optical fibers | Yasunori Suzuki, Ning Chen, Yoshiaki Tarusawa | 2006-03-14 |
| 6963758 | High-sensitivity wireless receiving device and high-frequency unit used therefor | Shoichi Narahashi, Kunihiro Kawai, Kei Satoh | 2005-11-08 |
| 6907269 | Mobile communication base station equipment | Ryo Yamaguchi, Noriyoshi Terada | 2005-06-14 |
| 6838934 | Feedforward amplifier with dual loop | Yasunori Suzuki | 2005-01-04 |
| 6621367 | Signal power dynamic range compressing circuit and power amplifier using the same | Yasunori Suzuki, Motoyuki Uchida | 2003-09-16 |
| 6515544 | Multi-terminal power combining feed-forward amplifier | Yasunori Suzuki, Tetsuo Hirota | 2003-02-04 |
| 6480706 | High sensitivity radio receiver | Tetsuya MIMURA, Kei Satoh, Shoichi Narahashi | 2002-11-12 |
| 6392483 | Feed-forward amplifier | Yasunori Suzuki | 2002-05-21 |
| 6320464 | Feedforward amplifier | Yasunori Suzuki | 2001-11-20 |
| 6208204 | Feedforward amplifier | Yasunori Suzuki, Shoichi Narahashi | 2001-03-27 |
| 6178158 | Method and apparatus for transmission and reception | Yasunori Suzuki, Ken Kumagai | 2001-01-23 |
| 5907585 | Digital signal detecting method and detector | Yasunori Suzuki, Ken Kumagai | 1999-05-25 |
| 5812296 | Fiber optics transmission system | Yoshiaki Tarusawa, Yasushi Ito | 1998-09-22 |
| 5796307 | Amplifying device having input and output nonlinear phase shifters of opposite phase-frequency characteristics | Ken Kumagai, Shoichi Narahashi | 1998-08-18 |
| 5790555 | Signal multiplexer and multiplexing method | Shoichi Narahashi, Ken Kumagai, Yoshiaki Tarusawa | 1998-08-04 |