Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4394170 | Composite sintered compact containing high density boron nitride and a method of producing the same | Akira Sawaoka, Masatada Araki, Tamotsu Akashi | 1983-07-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4394170 | Composite sintered compact containing high density boron nitride and a method of producing the same | Akira Sawaoka, Masatada Araki, Tamotsu Akashi | 1983-07-19 |