Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12319569 | Cubic boron nitride polycrystallite and method for producing the same | Yoshio Ichida, Hiroaki Ohfuji, Yasuo Tomita | 2025-06-03 |
| 10167569 | Hexagonal diamond bulk sintered body and its manufacturing method | Hiroaki Ohfuji | 2019-01-01 |