Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12258677 | Synthetic single crystal diamond, tool including the same and method of producing synthetic single crystal diamond | Yoshiki Nishibayashi, Yutaka Kobayashi, Hitoshi Sumiya, Issei Satoh, Ryo Toyoshima | 2025-03-25 |
| 11613826 | Synthetic single crystal diamond | Hitoshi Sumiya, Kensei Hamaki, Katsuko Yamamoto | 2023-03-28 |
| 8124553 | Composite sintered body | Katsumi Okamura, Satoru Kukino, Tomohiro Fukaya, Katsuko Yamamoto | 2012-02-28 |