Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7989260 | Method of selectively forming atomically flat plane on diamond surface, diamond substrate produced by the method, and semiconductor device using the same | Hitoshi Umezawa, Satoshi Yamasaki | 2011-08-02 |