Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6617272 | Si3N4 sintered body with high thermal conductivity and method for producing the same | Ai Itoh | 2003-09-09 |
| 6599637 | Silicon nitride composite substrate | Ai Itoh, Masashi Yoshimura | 2003-07-29 |
| 6544917 | Si3N4 ceramic, Si-base composition for its production, and method for its production | Seiji Nakahata | 2003-04-08 |