Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7438883 | High-pressure phase silicon nitride having a cubic spinel structure and the manufacturing method | Kenji Ito, Katsuhiko Takahashi | 2008-10-21 |
| 6982070 | Process for synthesizing spinel type silicon nitride powders | Hongliang He, Takamichi Kobayashi | 2006-01-03 |
| 6589899 | Spinel type sialon, spinel type silicon oxynitride and methods for producing their powders | Hongliang He, Takamichi Kobayashi, Koji Kimoto, Mamoru Mitomo | 2003-07-08 |