Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10340375 | Epitaxial substrate for field effect transistor | Masahiko Hata, Naohiro Nishikawa | 2019-07-02 |
| 9755040 | Semiconductor wafer, method of producing semiconductor wafer and electronic device | Takeshi Aoki, Noboru Fukuhara | 2017-09-05 |
| 9214342 | Method for producing compound semiconductor crystal, method for producing electronic device, and semiconductor wafer | — | 2015-12-15 |
| 8350292 | Gallium nitride epitaxial crystal, method for production thereof, and field effect transistor | Naohiro Nishikawa, Masahiko Hata | 2013-01-08 |
| 7951685 | Method for manufacturing semiconductor epitaxial crystal substrate | Naohiro Nishikawa, Masahiko Hata | 2011-05-31 |
| 7750351 | Epitaxial substrate for field effect transistor | Koji Hirata, Masayoshi Kosaki, Hajime Okumura | 2010-07-06 |