Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821617 | Wafer and production thereof | Sho Kumagai, Toshikazu Shinogaya | 2004-11-23 |
| 6699411 | Method for producing high purity silicon carbide sintered body | Kazuhiro Ushita, Yoshitomo Takahashi | 2004-03-02 |
| 6695984 | Silicon carbide sinter and process for producing the same | Yoshitomo Takahashi | 2004-02-24 |