Issued Patents 2019
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10487395 | Method of manufacturing diamond substrate, diamond substrate, and diamond composite substrate | Takuji Okahisa, Yoshiyuki Yamamoto, Natsuo Tatsumi | 2019-11-26 |
| 10316430 | Single crystal diamond, method for manufacturing single crystal diamond, and tool containing single crystal diamond | Natsuo Tatsumi, Hitoshi Sumiya, Akihiko Ueda, Yutaka Kobayashi | 2019-06-11 |
| 10304739 | Method for manufacturing semiconductor substrate, semiconductor substrate, method for manufacturing combined semiconductor substrate, combined semiconductor substrate, and semiconductor-joined substrate | Kazuo Nakamae | 2019-05-28 |
| 10287708 | Single-crystal diamond material, single-crystal diamond chip, and perforated tool | Natsuo Tatsumi, Hitoshi Sumiya, Akihiko Ueda, Yutaka Kobayashi | 2019-05-14 |
| 10280531 | Diamond single crystal and production method thereof, and single crystal diamond tool | Akihiko Ueda, Hitoshi Sumiya | 2019-05-07 |