Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8426941 | Semiconductor chip comprising a directional coupler having a specific main line and sub-line arrangement | Satoshi Sakurai, Satoshi Goto | 2013-04-23 |
| 8334580 | Semiconductor chip comprising a directional coupler having a specific main line and sub-line arrangement | Satoshi Sakurai, Satoshi Goto | 2012-12-18 |
| 7868699 | Semiconductor integrated circuit device | Hideyuki Ono, Masahito Numanami | 2011-01-11 |
| 7756494 | RF power amplifier | Toshihiko Shimizu, Masami Ohnishi, Hidetoshi Matsumoto, Satoshi Tanaka | 2010-07-13 |
| 7735219 | Method for machining a board | Kazunori Umeoka, Hideyuki Andou, Yuzo Okudaira | 2010-06-15 |
| 7411457 | Power amplifying semiconductor integrated circuit device for use in communication equipment | Hideyuki Ono, Masahito Numanami | 2008-08-12 |
| 6865399 | Mobile telephone apparatus | Isao Yoshida, Mineo Katsueda, Masatoshi Morikawa, Yoshikuni Matsunaga, Kenji Sekine +1 more | 2005-03-08 |
| 6825548 | Semiconductor device | Isao Yoshida, Toshihiko Shimizu | 2004-11-30 |
| 6535069 | High-frequency power amplifier module | Isao Yoshida, Mineo Katsueda, Masatoshi Morikawa, Yoshikuni Matsunaga, Kenji Sekine +1 more | 2003-03-18 |
| 6492872 | High frequency power amplifying module and wireless communication apparatus | Yoshikuni Matsunaga, Isao Yoshida, Masatoshi Morikawa, Masao Hotta, Tetsuaki Adachi | 2002-12-10 |
| 6384688 | High-frequency power amplifier module | Isao Yoshida, Mineo Katsueda, Masatoshi Morikawa, Yoshikuni Matsunaga, Kenji Sekine +1 more | 2002-05-07 |
| 6366788 | Mobile telephone system | Isao Yoshida, Mineo Katsueda, Masatoshi Morikawa, Yoshikuni Matsunaga, Kenji Sekine +1 more | 2002-04-02 |
| 5273640 | Electrochemical gas sensor | Sigekazu Kusanagi, Noriyuki Yamaga, Yoshifumi Watabe, Kenji Doi, Takahiro Inoue | 1993-12-28 |
| 5215643 | Electrochemical gas sensor | Shigekazu Kusanagi, Ayumu Yasuda, Noriyuki Yamaga, Yoshifumi Watabe, Kenji Doi +3 more | 1993-06-01 |