Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |