Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667184 | Single crystal GaN substrate, method of growing same and method of producing same | Kensaku Motoki, Takuji Okahisa, Ryu Hirota, Koji Uematsu | 2003-12-23 |
| 6544917 | Si3N4 ceramic, Si-base composition for its production, and method for its production | Michimasa Miyanaga | 2003-04-08 |