Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4746635 | High strength and high hardness alumina-zirconia-silicon carbide sintered ceramic composite and its manufacturing process | Tetsuo Uchiyama, Toshio Hirai, Koichi Niihara | 1988-05-24 |