Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7189588 | Group III nitride semiconductor substrate and its manufacturing method | Akira Usui, Masatomo Shibata | 2007-03-13 |
| 7118934 | Porous substrate for epitaxial growth, method for manufacturing same, and method for manufacturing III-nitride semiconductor substrate | Masatomo Shibata | 2006-10-10 |
| 7097920 | Group III nitride based semiconductor substrate and process for manufacture thereof | Akira Usui, Masatomo Shibata | 2006-08-29 |
| 7075111 | Nitride semiconductor substrate and its production method | — | 2006-07-11 |
| 6924159 | Semiconductor substrate made of group III nitride, and process for manufacture thereof | Akira Usui, Masatomo Shibata | 2005-08-02 |
| 6812051 | Method of forming an epitaxially grown nitride-based compound semiconductor crystal substrate structure and the same substrate structure | Akira Usui, Masatomo Shibata | 2004-11-02 |
| 6306966 | Moisture curable composition | Yasunobu Horie, Yoshinobu Egawa, Hideharu Hashimukai, Tomokazu Wakaume, Hiroshi Aoki | 2001-10-23 |