Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7629851 | High frequency power amplifier circuit and electronic component for high frequency power amplifier | Hirokazu Tsurumaki, Hiroyuki Nagai, Makoto Ishikawa | 2009-12-08 |
| 7486142 | Radio frequency power amplifying module with hetero junction bipolar transistor | Hirokazu Tsurumaki, Hiroyuki Nagai, Yoshiaki Harasawa, Makoto Tabei | 2009-02-03 |
| 7443245 | High frequency power amplifier circuit and electronic component for high frequency power amplifier | Hirokazu Tsurumaki, Hiroyuki Nagai, Makoto Ishikawa | 2008-10-28 |
| 7333564 | High frequency power amplifier circuit | Hiroki Sugiyama, Takashi Soga, Yusuke Shimamune, Shuji Tomono, Kyoichi Takahashi | 2008-02-19 |
| 7332966 | High frequency power amplifier circuit | Kazuhiko Ishimoto, Hiroyuki Tanaka | 2008-02-19 |
| 7304539 | High frequency power amplifier circuit and electronic component for high frequency power amplifier | Hirokazu Tsurumaki, Hiroyuki Nagai, Makoto Ishikawa | 2007-12-04 |
| 7266171 | Phase-locked loop circuit and radio communication apparatus using the same | Taizo Yamawaki, Masaru Kokubo, Kazuo Watanabe, Julian Hildersley | 2007-09-04 |
| 7215203 | High frequency power amplifier circuit device | Yoshikuni Matsunaga, Toshihiko Shimizu, Nobuhiro Matsudaira, Koichi Matsushita | 2007-05-08 |
| 7113034 | High frequency power amplifier and wireless communication module | Satoshi Arai, Tsuyoshi Shibuya, Hitoshi Sekiguchi, Nobuhiro Matsudaira, Masashi Maruyama +1 more | 2006-09-26 |
| 7078974 | High frequency power amplifier circuit | Kouichi Matsushita, Fuminori Morisawa, Takayuki Tsutsui, Nobuhiro Matsudaira | 2006-07-18 |
| 7049892 | High frequency power amplifier circuit device | Yoshikuni Matsunaga, Toshihiko Shimizu, Nobuhiro Matsudaira, Koichi Matsushita | 2006-05-23 |
| 6967535 | High frequency power amplifier circuit | Kouichi Matsushita, Fuminori Morisawa, Takayuki Tsutsui, Nobuhiro Matsudaira | 2005-11-22 |
| 6914480 | High frequency power amplifier and wireless communication module | Satoshi Arai, Tsuyoshi Shibuya, Hitoshi Sekiguchi, Nobuhiro Matsudaira, Masashi Maruyama +1 more | 2005-07-05 |
| 6759906 | High frequency power amplifier circuit device | Yoshikuni Matsunaga, Toshihiko Shimizu, Nobuhiro Matsudaira, Koichi Matsushita | 2004-07-06 |
| 6756850 | High frequency power amplifier circuit | Kouichi Matsushita, Fuminori Morisawa, Takayuki Tsutsui, Nobuhiro Matsudaira | 2004-06-29 |
| 6753735 | High frequency power amplifier and wireless communication module | Satoshi Arai, Tsuyoshi Shibuya, Hitoshi Sekiguchi, Nobuhiro Matsudaira, Masashi Maruyama +1 more | 2004-06-22 |
| 6741125 | High frequency power amplifier and wireless communication module | Satoshi Arai, Tsuyoshi Shibuya, Hitoshi Sekiguchi, Nobuhiro Matsudaira, Masashi Maruyama +1 more | 2004-05-25 |
| 6639933 | Phase-locked loop circuit and radio communication apparatus using the same | Taizo Yamawaki, Masaru Kokubo, Kazuo Watanabe, Julian Hildersley | 2003-10-28 |
| 6605999 | High-frequency power amplifier, wireless communication apparatus and wireless communication system | Kouichi Matsushita, Tetsuaki Adachi, Hitoshi Akamine, Nobuhiro Matsudaira | 2003-08-12 |
| 6324219 | Phase-locked loop circuit and radio communication apparatus using the same | Taizo Yamawaki, Masaru Kokubo, Kazuo Watanabe, Julian Hildersley | 2001-11-27 |
| 6163585 | Phase-locked loop circuit and radio communication apparatus using the same | Taizo Yamawaki, Masaru Kokubo, Kazuo Watanabe, Julian Hildersley | 2000-12-19 |