Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7875117 | Nitrogen doped silicon wafer and manufacturing method thereof | Kouzo Nakamura, Susumu Maeda, Takahisa Sugiman, Katsuhiko Sugisawa | 2011-01-25 |
| 6800132 | Silicon wafer and method for manufacture thereof, and method for evaluation of silicon wafer | Satoshi Komiya, Shiro Yoshino, Masayoshi Danbata | 2004-10-05 |
| 5943549 | Method of evaluating silicon wafers | Hisami Motoura | 1999-08-24 |