Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869925 | Method for preparing aluminum nitride and its sinter | Kazuo Wakimura, Masao Tanaka, Takao Tanaka | 1989-09-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869925 | Method for preparing aluminum nitride and its sinter | Kazuo Wakimura, Masao Tanaka, Takao Tanaka | 1989-09-26 |