Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11761118 | Carbon-doped silicon single crystal wafer and method for manufacturing the same | Shizuo Igawa, Ken Sunakawa | 2023-09-19 |
| 6544656 | Production method for silicon wafer and silicon wafer | Takao Abe, Ken Aihara, Shoji Akiyama, Tetsuya Igarashi, Yoshinori Hayamizu +1 more | 2003-04-08 |