Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11692264 | Method of manufacturing diamond substrate, diamond substrate, and diamond composite substrate | Takuji Okahisa, Yoshiyuki Yamamoto, Natsuo Tatsumi | 2023-07-04 |
| 11629104 | Body obtained by processing solid carbon-containing material and producing method thereof | Natsuo Tatsumi, Kensei Hamaki | 2023-04-18 |