Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11787699 | Diamond polycrystal and method of producing the same | Hitoshi Sumiya, Yuh Ishida, Katsuko Yamamoto | 2023-10-17 |
| 11717978 | Cemented carbide and cutting tool including same as substrate | Takato Yamanishi, Keiichi Tsuda | 2023-08-08 |
| 11629104 | Body obtained by processing solid carbon-containing material and producing method thereof | Yoshiki Nishibayashi, Natsuo Tatsumi | 2023-04-18 |
| 11613826 | Synthetic single crystal diamond | Hitoshi Sumiya, Minori TERAMOTO, Katsuko Yamamoto | 2023-03-28 |
| 11518680 | Body obtained by processing solid carbon-containing material, producing method thereof, and producing apparatus thereof | Yoshiki Nishibayashi, Natsuo Tatsumi | 2022-12-06 |
| 11041791 | Indenter made of polycrystalline diamond, and method and apparatus using the same for evaluating crack initiation load | Katsuko Yamamoto, Hitoshi Sumiya, Yuh Ishida | 2021-06-22 |