Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11574809 | Nitride semiconductor template and nitride semiconductor device | Hajime Fujikura, Taichiro KONNO | 2023-02-07 |
| 11075077 | Nitride semiconductor template and nitride semiconductor device | Hajime Fujikura, Taichiro KONNO | 2021-07-27 |
| 10260146 | Method for manufacturing nitride semiconductor substrate | — | 2019-04-16 |
| 9614124 | Substrate having annealed aluminum nitride layer formed thereon and method for manufacturing the same | Hiroyuki Fukuyama | 2017-04-04 |
| 8053811 | Group 3-5 nitride semiconductor multilayer substrate, method for manufacturing group 3-5 nitride semiconductor free-standing subtrate, and semiconductor element | Kazumasa Hiramatsu, Yoshihiko Tsuchida, Yoshinobu Ono, Naohiro Nishikawa | 2011-11-08 |
| 7399687 | Substrate of gallium nitride single crystal and process for producing the same | Kazumasa Hiramatsu, Shinya Bohyama, Takayoshi Maeda, Yoshinobu Ono | 2008-07-15 |
| 6946308 | Method of manufacturing III-V group compound semiconductor | Kazumasa Hiramatsu, Shinya Bohyama, Takayoshi Maeda, Yasushi Iyechika | 2005-09-20 |
| 6844574 | III-V compound semiconductor | Kazumasa Hiramatsu, Takayoshi Maeda, Yasushi Iyechika | 2005-01-18 |
| 6756246 | Method for fabricating III-V group compound semiconductor | Kazumasa Hiramatsu, Shinya Bohyama, Takayoshi Maeda, Yasushi Iyechika | 2004-06-29 |
| 6503610 | Group III-V compound semiconductor and method of producing the same | Kazumasa Hiramatsu, Takayoshi Maeda, Yasushi Iyechika | 2003-01-07 |