Issued Patents All Time
Showing 25 most recent of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9859413 | Nitride semiconductor device and method of manufacturing the same | Hideyuki Okita, Masahiro Hikita, Hisayoshi Matsuo | 2018-01-02 |
| 9761670 | Semiconductor device composed of AlGaInN layers with inactive regions | Masahiro Hikita, Manabu Yanagihara | 2017-09-12 |
| 9685549 | Nitride semiconductor device and method for manufacturing same | Hideyuki Okita, Masahiro Hikita, Hidenori Takeda, Takahiro Sato, Akihiko Nishio | 2017-06-20 |
| 9412858 | Group III nitride semiconductor device which can be used as a power transistor | Hideyuki Okita, Masahiro Hikita | 2016-08-09 |
| RE45989 | Semiconductor device and method for driving the same | Tatsuo Morita, Manabu Yanagihara, Hidetoshi Ishida, Hiroaki Ueno, Tsuyoshi Tanaka +1 more | 2016-04-26 |
| 9293574 | Semiconductor device and method of manufacturing semiconductor device | Hideyuki Okita, Masahiro Hikita, Akihiko Nishio, Hidenori Takeda, Takahiro Sato | 2016-03-22 |
| 8779438 | Field-effect transistor with nitride semiconductor and method for fabricating the same | Masahiro Hikita, Tetsuzo Ueda, Manabu Yanagihara, Tsuyoshi Tanaka | 2014-07-15 |
| 8742467 | Bidirectional switching device and bidirectional switching circuit using the same | Tatsuo Morita, Daisuke Ueda, Tetsuzo Ueda | 2014-06-03 |
| 8593068 | Two-wire AC switch | Shingo Hashizume, Ayanori Ikoshi, Hiroto Yamagiwa, Manabu Yanagihara | 2013-11-26 |
| 8592866 | Transistor | Manabu Yanagihara, Masahiro Hikita, Tetsuzo Ueda, Tsuyoshi Tanaka | 2013-11-26 |
| 8569843 | Semiconductor device | Manabu Yanagihara, Kazushi Nakazawa, Tatsuo Morita | 2013-10-29 |
| 8497553 | Semiconductor device | Hiroto Yamagiwa, Shingo Hashizume, Ayanori Ikoshi, Manabu Yanagihara | 2013-07-30 |
| 8497581 | Semiconductor device and manufacturing method thereof | Ayanori Ikoshi, Manabu Yanagihara, Tatsuo Morita | 2013-07-30 |
| 8405126 | Semiconductor device | Daisuke Shibata, Tatsuo Morita, Manabu Yanagihara | 2013-03-26 |
| 8344463 | Bidirectional switch | Manabu Yanagihara, Kazushi Nakazawa, Tatsuo Morita | 2013-01-01 |
| 8344423 | Nitride semiconductor device and method for fabricating the same | Masahiro Hikita, Tetsuzo Ueda, Tsuyoshi Tanaka, Daisuke Ueda | 2013-01-01 |
| 8299737 | Motor driving circuit | Tatsuo Morita, Tsuyoshi Tanaka, Matsuo Shiraishi, Atsushi Morimoto, Kouichi Ishikawa | 2012-10-30 |
| 8264002 | Field-effect transistor | Masahiro Hikita, Tetsuzo Ueda, Manabu Yanagihara, Tsuyoshi Tanaka | 2012-09-11 |
| 8203376 | Semiconductor device and method for driving the same | Tatsuo Morita, Manabu Yanagihara, Hidetoshi Ishida, Hiroaki Ueno, Tsuyoshi Tanaka +1 more | 2012-06-19 |
| 8164115 | Nitride semiconductor device | Masahiro Hikita, Tetsuzo Ueda, Manabu Yanagihara, Tsuyoshi Tanaka | 2012-04-24 |
| 8159848 | Power conversion circuit | Atsushi Morimoto, Matsuo Shiraishi, Kouichi Ishikawa, Tatsuo Morita, Tsuyoshi Tanaka | 2012-04-17 |
| 8129748 | Nitride semiconductor device and method for fabricating the same | Masahiro Hikita, Tetsuzo Ueda, Tsuyoshi Tanaka, Daisuke Ueda | 2012-03-06 |
| 8076698 | Transistor and method for operating the same | Daisuke Ueda, Tsuyoshi Tanaka, Tetsuzo Ueda, Manabu Yanagihara, Masahiro Hikita +1 more | 2011-12-13 |
| 7910464 | Method for manufacturing a semiconductor device having a III-V nitride semiconductor | Tomohiro Murata, Yutaka Hirose, Tsuyoshi Tanaka | 2011-03-22 |
| 7898002 | Nitride semiconductor device and method for fabricating the same | Masahiro Hikita, Tetsuzo Ueda, Manabu Yanagihara, Tsuyoshi Tanaka | 2011-03-01 |