Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873053 | Method for manufacturing a metal boride ceramic material | Junichi Matsushita, Hajime Saito | 1989-10-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873053 | Method for manufacturing a metal boride ceramic material | Junichi Matsushita, Hajime Saito | 1989-10-10 |