Issued Patents All Time
Showing 101–125 of 134 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7474169 | Attenuator | Miyo Miyashita | 2009-01-06 |
| 7417507 | Bias circuit for power amplifier having a low degradation in distortion characteristics | Tomoyuki Asada, Hiroyuki Otsuka, Kosei Maemura | 2008-08-26 |
| 7408412 | Power amplifier and wireless communication device | Tomoyuki Asada | 2008-08-05 |
| 7400202 | Bias circuit for power amplifier operated by a low external reference voltage | Kousei Maemura | 2008-07-15 |
| 7296727 | Apparatus and method for mounting electronic components | Shunji Onobori, Shuichi Hirata, Masakazu Yamano, Satoshi Shida, Takaharu Mae +2 more | 2007-11-20 |
| 7227392 | Frequency multiplier | — | 2007-06-05 |
| 7193463 | Driver circuit | Miyo Miyashita | 2007-03-20 |
| 7145397 | Output overvoltage protection circuit for power amplifier | Teruyuki Shimura, Tomoyuki Asada, Satoshi Suzuki | 2006-12-05 |
| 6990939 | Valve timing control system for internal combustion engine | Katsuji Wada, Daisuke Shimizu | 2006-01-31 |
| 6838941 | Multi-band power amplifier | Satoshi Suzuki | 2005-01-04 |
| 6784720 | Current switching circuit | Miyo Miyashita, Masaaki Shimada | 2004-08-31 |
| 6707341 | Semiconductor device with bipolar transistor device | Satoshi Suzuki | 2004-03-16 |
| 6642540 | Semiconductor integrated circuit device | Hiroshi Komurasaki, Hisayasu Satoh, Hideyuki Wakada | 2003-11-04 |
| 6465832 | Semiconductor device | Shigenobu Maeda | 2002-10-15 |
| 6355957 | Semiconductor device having body potential fixing portion and closed-loop gate structure | Shigenobu Maeda, Hiroshi Komurasaki | 2002-03-12 |
| 6308047 | Radio-frequency integrated circuit for a radio-frequency wireless transmitter-receiver with reduced influence by radio-frequency power leakage | Kosei Maemura | 2001-10-23 |
| 6297694 | High frequency power amplifier | — | 2001-10-02 |
| 6278328 | Power amplifier | Akira Inoue, Satoshi Suzuki, Tomoyuki Asada | 2001-08-21 |
| 6088272 | Data output system | Ichiro Urata, Satoru Yoshii, Osamu Ishikawa, Toshikazu Ito, Satoshi Yamamoto +1 more | 2000-07-11 |
| 6066993 | Duplexer circuit apparatus provided with amplifier and impedance matching inductor | Takao Moriwaki | 2000-05-23 |
| 6043714 | Power amplifier incorporating heterojunction and silicon bipolar transistors | Yukio Miyazaki | 2000-03-28 |
| 5886578 | Differential amplifier including bias circuit with bias resistor | Miyo Miyashita | 1999-03-23 |
| 5878331 | Integrated circuit | Kosei Maemura | 1999-03-02 |
| 5818278 | Level shift circuit | Kousei Maemura | 1998-10-06 |
| 5781061 | Current mirror circuit and signal processing circuit having improved resistance to current output terminal voltage variation | Miyo Miyashita | 1998-07-14 |