Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6358624 | Polycrystal diamond tool | Katsuhito Yoshida, Junichi Shiraishi | 2002-03-19 |
| 6342301 | Diamond sintered compact and a process for the production of the same | Katsuhito Yoshida, Michinari Asano, Junichi Shiraishi | 2002-01-29 |
| 6337152 | Cutting tool made of A12O3-coated cBN-based sintered material | Satoru Kukino, Junichi Shiraishi | 2002-01-08 |