Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674793 | Method for producing a high-strength, high-toughness silicon nitride sinter | Kiyoshi Hirao, Shuzo Kanzaki | 1997-10-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674793 | Method for producing a high-strength, high-toughness silicon nitride sinter | Kiyoshi Hirao, Shuzo Kanzaki | 1997-10-07 |