Issued Patents 2020
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10822693 | Method of manufacturing diamond substrate, diamond substrate, and diamond composite substrate | Takuji Okahisa, Yoshiyuki Yamamoto, Natsuo Tatsumi | 2020-11-03 |
| 10774442 | Single-crystal diamond material, single-crystal diamond chip, and perforated tool | Natsuo Tatsumi, Hitoshi Sumiya, Akihiko Ueda, Yutaka Kobayashi | 2020-09-15 |
| 10737943 | Single-crystal diamond, method for manufacturing single-crystal diamond, and chemical vapor deposition device used in same | Takuya Nohara, Natsuo Tatsumi, Hitoshi Sumiya, Yutaka Kobayashi, Akihiko Ueda | 2020-08-11 |
| 10697088 | Single-crystal diamond material, and tool, radiation temperature monitor, and infrared optical component including said diamond material | Akihiko Ueda, Yutaka Kobayashi | 2020-06-30 |
| 10697058 | Single-crystal diamond, method of producing same, tool including single-crystal diamond, and component including single-crystal diamond | Natsuo Tatsumi, Hitoshi Sumiya | 2020-06-30 |
| 10639725 | Composite diamond body and composite diamond tool | Akihiko Ueda, Yutaka Kobayashi | 2020-05-05 |
| 10584428 | Method of manufacturing diamond, diamond, diamond composite substrate, diamond joined substrate, and tool | Natsuo Tatsumi, Hitoshi Sumiya, Kazuo Nakamae | 2020-03-10 |
| 10569317 | Single-crystal diamond, tool using same, and method of producing single-crystal diamond | Natsuo Tatsumi, Takuya Nohara, Yutaka Kobayashi, Akihiko Ueda | 2020-02-25 |