Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6277254 | Ceramic compositions, physical vapor deposition targets and methods of forming ceramic compositions | Qi Tan | 2001-08-21 |
| 5972489 | Porous inorganic material and metal-matrix composite material containing the same and process therefor | Junichi Ogawa, Mitsushi Wadasako | 1999-10-26 |
| 5242235 | Toothbrush | — | 1993-09-07 |