Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10829379 | Polycrystalline diamond and manufacturing method thereof, scribe tool, scribing wheel, dresser, rotating tool, orifice for water jet, wiredrawing die, cutting tool, and electron emission source | Kazuhiro Ikeda, Katsuko Yamamoto, Hitoshi Sumiya, Takeshi Sato | 2020-11-10 |
| 10562776 | Diamond single crystal, tool, and method for producing diamond single crystal | Katsuko Yamamoto, Hitoshi Sumiya | 2020-02-18 |