Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11158945 | Phased array antenna apparatus and control method therefor | Korkut Tokgoz, Naoki OSHIMA | 2021-10-26 |
| 9838068 | Transmitter/receiver apparatus, transmitter apparatus and transmitting/receiving method | Shinichi Hori | 2017-12-05 |
| 9531327 | Power amplifier and power amplification method | — | 2016-12-27 |
| 9236838 | Power amplification device | — | 2016-01-12 |
| 8902001 | Power supply device and power amplification apparatus using same | Yasushi Watanabe | 2014-12-02 |
| 8693578 | Transmission device | Shinichi Hori, Kazumi Shiikuma | 2014-04-08 |
| 8670731 | Power amplification apparatus and power amplification method | — | 2014-03-11 |
| 8620240 | Power amplifier and power amplifying method | Shingo Yamanouchi, Kazumi Shiikuma | 2013-12-31 |
| 8594589 | Power amplifier, power amplification method, and storage medium | Shingo Yamanouchi | 2013-11-26 |
| 8451054 | Power amplifying devices | Shingo Yamanouchi, Kazumi Shiikuma | 2013-05-28 |
| 8198950 | Power amplifier | Shingo Yamanouchi, Kazumi Shiikuma | 2012-06-12 |
| 8072261 | Power amplifier | Shingo Yamanouchi | 2011-12-06 |
| 7821337 | Power amplifier | Shingo Yamanouchi | 2010-10-26 |
| 7792181 | Linearity evaluation method using integrations weighted by probability density function, and circuit simulator, evaluation device, communication circuit, and program using the method | Shingo Yamanouchi | 2010-09-07 |
| 7696818 | Amplifying apparatus | Kiyohiko Takahashi | 2010-04-13 |
| 7362171 | High-frequency amplifier | — | 2008-04-22 |
| 6556416 | Variable capacitor and a variable inductor | — | 2003-04-29 |
| 6552373 | Hetero-junction field effect transistor having an intermediate layer | Yuji Ando, Hironobu Miyamoto, Naotaka Iwata, Koji Matsunaga, Masaaki Kuzuhara +5 more | 2003-04-22 |
| 6492669 | Semiconductor device with schottky electrode having high schottky barrier | Tatsuo Nakayama, Yuji Ando, Hironobu Miyamoto, Yuji Takahashi, Kensuke Kasahara +4 more | 2002-12-10 |
| 6476431 | Field effect transistor with barrier layer to prevent avalanche breakdown current from reaching gate and method for manufacturing the same | Yasuo Ohno, Kensuke Kasahara, Yuji Takahashi | 2002-11-05 |
| 6465814 | Semiconductor device | Kensuke Kasahara, Yasuo Ohno, Masaaki Kuzuhara, Hironobu Miyamoto, Yuji Ando +4 more | 2002-10-15 |
| 6440822 | Method of manufacturing semiconductor device with sidewall metal layers | Nobuyuki Hayama, Masaaki Kuzuhara, Kouji Matsunaga, Tatsuo Nakayama, Yuji Takahashi +4 more | 2002-08-27 |
| 6373082 | Compound semiconductor field effect transistor | Yasuo Ohno, Yuji Takahashi | 2002-04-16 |
| 6278144 | Field-effect transistor and method for manufacturing the field effect transistor | Yasuo Ohno, Yuji Takahashi | 2001-08-21 |
| 6060734 | MESfield effect transistor | — | 2000-05-09 |