Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9865724 | Nitride semiconductor device | — | 2018-01-09 |
| 9484429 | High electron mobility transistor (HEMT) capable of absorbing a stored hole more efficiently and method for manufacturing the same | Yasuhiro Isobe | 2016-11-01 |
| 9331169 | Nitride semiconductor Schottky diode and method for manufacturing same | — | 2016-05-03 |
| 9136346 | High electron mobility transistor (HEMT) capable of absorbing a stored hole more efficiently | Yasuhiro Isobe | 2015-09-15 |
| 9059327 | Nitride semiconductor Schottky diode and method for manufacturing same | — | 2015-06-16 |
| 8969917 | Semiconductor device and method for manufacturing same | Yoshiharu Takada | 2015-03-03 |
| 8754420 | Semiconductor device | Kentaro Ikeda | 2014-06-17 |
| 7490390 | Method of manufacturing a voltage controlled oscillator | Takashi Kawakubo, Kazuhide Abe | 2009-02-17 |
| 7221920 | Voltage controlled oscillator, frequency synthesizer and communication apparatus | Kazuhide Abe, Ryoichi Ohara, Kenya Sano, Naoko Yanase, Takaaki Yasumoto +9 more | 2007-05-22 |
| 7211933 | Voltage controlled oscillator | Takashi Kawakubo, Kazuhide Abe | 2007-05-01 |
| 6908799 | High electron mobility transistor and method of manufacturing the same | — | 2005-06-21 |
| 6689652 | Method of manufacturing a high electron mobility transistor | — | 2004-02-10 |
| 6555851 | High electron mobility transistor | — | 2003-04-29 |
| 6489628 | High electron mobility transistor and power amplifier | — | 2002-12-03 |
| 6134424 | High-frequency power amplifier and mobile communication device using same | Kazuya Nishihori, Yoshiaki Kitaura, Atsushi Kameyama, Masami Nagaoka, Hirotsugu Wakimoto +1 more | 2000-10-17 |
| 6037619 | Field effect transistor and high-frequency power amplifier having same | Yoshiaki Kitaura | 2000-03-14 |