Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800182 | Silicon nitride-silicon carbide composite material and process for production thereof | Kansei Izaki, Takamasa Kawakami, Kouichi Hakkei | 1989-01-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800182 | Silicon nitride-silicon carbide composite material and process for production thereof | Kansei Izaki, Takamasa Kawakami, Kouichi Hakkei | 1989-01-24 |