Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8866157 | Semiconductor device and method of fabricating the semiconductor device | Norikazu Nakamura, Shirou Ozaki, Masayuki Takeda, Toyoo Miyajima, Toshihiro Ohki +3 more | 2014-10-21 |
| 8669592 | Compound semiconductor device and method for fabricating the same | Toyoo Miyajima, Atsushi Yamada, Norikazu Nakamura | 2014-03-11 |
| 8581335 | Compound semiconductor device and manufacturing method thereof | Toshihide Kikkawa | 2013-11-12 |
| 8507329 | Compound semiconductor device and method of manufacturing the same | Toshihide Kikkawa | 2013-08-13 |
| 8466674 | Magnetic testing method and magnetic testing apparatus | Toshiyuki Suzuma | 2013-06-18 |
| 8440549 | Compound semiconductor device including aln layer of controlled skewness | Toshihide Kikkawa, Takeshi Tanaka, Yoshihiko Moriya, Yohei Otoki | 2013-05-14 |
| 8426892 | Compound semiconductor device and method of manufacturing the same | Toshihide Kikkawa | 2013-04-23 |
| 8426260 | Compound semiconductor device and method of manufacturing the same | Toyoo Miyajima, Toshihide Kikkawa, Toshihiro Ohki, Masahito Kanamura | 2013-04-23 |
| 8294181 | Compound semiconductor device and method of manufacturing the same | Toshihide Kikkawa | 2012-10-23 |
| 8264005 | Compound semiconductor device including AIN layer of controlled skewness | Toshihide Kikkawa, Takeshi Tanaka, Yoshihiko Moriya, Yohei Otoki | 2012-09-11 |
| 8264006 | Compound semiconductor device including AIN layer of controlled skewness | Toshihide Kikkawa, Takeshi Tanaka, Yoshihiko Moriya, Yohei Otoki | 2012-09-11 |
| 8193539 | Compound semiconductor device using SiC substrate and its manufacture | Toshihide Kikkawa | 2012-06-05 |
| 8044492 | Compound semiconductor device including AIN layer of controlled skewness | Toshihide Kikkawa, Takeshi Tanaka, Yoshihiko Moriya, Yohei Otoki | 2011-10-25 |
| 8030164 | Compound semiconductor structure | Toshihide Kikkawa | 2011-10-04 |
| 7875535 | Compound semiconductor device using SiC substrate and its manufacture | Toshihide Kikkawa | 2011-01-25 |
| 7859020 | Nitride semiconductor device, Doherty amplifier and drain voltage controlled amplifier | Toshihide Kikkawa | 2010-12-28 |
| 7838903 | Compound semiconductor device and the fabricating method of the same | Toshihide Kikkawa | 2010-11-23 |
| 7795622 | Compound semiconductor device | Toshihide Kikkawa | 2010-09-14 |
| 7777251 | Compound semiconductor device and doherty amplifier using compound semiconductor device | Toshihide Kikkawa | 2010-08-17 |
| 7663162 | Compound semiconductor device and doherty amplifier using compound semiconductor device | Toshihide Kikkawa | 2010-02-16 |
| 7638819 | Compound semiconductor device and the fabricating method of the same | Toshihide Kikkawa | 2009-12-29 |
| 6867439 | Field-effect transistor using a group III-V compound semiconductor | — | 2005-03-15 |
| 6725982 | Eddy current braking apparatus | Yasunori Tani, Kenji Araki, Koichi Miura, Akira Saito, Yasutaka Noguchi +1 more | 2004-04-27 |
| 6417519 | Field effect transistor with suppressed threshold change | Tsuyoshi Takahashi | 2002-07-09 |
| 6399971 | Semiconductor device and method for fabricating the same | Hisao Shigematsu, Hitoshi Tanaka | 2002-06-04 |