Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9911842 | Nitride semiconductor device, production method thereof, diode, and field effect transistor | Kazuyuki UMENO, Shinya Otomo, Keishi Takaki, Jiang Li, Ryosuke Tamura +3 more | 2018-03-06 |
| 9099383 | Semiconductor substrate and semiconductor device, and manufacturing method of semiconductor substrate | Masayuki Iwami | 2015-08-04 |
| 8884393 | Nitride compound semiconductor device and manufacturing method thereof | Tatsuyuki Shinagawa, Masayuki Iwami, Kazuyuki UMENO, Sadahiro Kato | 2014-11-11 |
| 8860038 | Nitride semiconductor device and manufacturing method for the same | Masayuki Iwami | 2014-10-14 |
| 8569800 | Field effect transistor | Nariaki Ikeda, Masayuki Iwami, Sadahiro Kato | 2013-10-29 |
| 8450782 | Field effect transistor, method of manufacturing field effect transistor, and method of forming groove | Yoshihiro Sato, Takehiko Nomura, Nariaki Ikeda, Masayuki Iwami, Sadahiro Kato | 2013-05-28 |
| 8338859 | Semiconductor electronic device having reduced threading dislocation and method of manufacturing the same | Sadahiro Kato, Yoshihiro Sato, Masayuki Iwami | 2012-12-25 |
| 8067787 | Semiconductor electronic device | Sadahiro Kato, Yoshihiro Sato, Masayuki Iwami | 2011-11-29 |