Issued Patents All Time
Showing 1–25 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12286726 | Diamond composite body, substrate, diamond, tool including diamond, and method for manufacturing diamond | Natsuo Tatsumi, Hitoshi Sumiya | 2025-04-29 |
| 12258677 | Synthetic single crystal diamond, tool including the same and method of producing synthetic single crystal diamond | Minori TERAMOTO, Yutaka Kobayashi, Hitoshi Sumiya, Issei Satoh, Ryo Toyoshima | 2025-03-25 |
| 12215438 | Single-crystal diamond and method of manufacturing the same | Natsuo Tatsumi, Takuya Nohara, Akihiko Ueda, Yutaka Kobayashi | 2025-02-04 |
| 12084777 | Method for manufacturing hard carbon-based coating, and member provided with coating | Shigeki Maeda, Kazutaka Fujiwara | 2024-09-10 |
| 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 |
| 11518680 | Body obtained by processing solid carbon-containing material, producing method thereof, and producing apparatus thereof | Natsuo Tatsumi, Kensei Hamaki | 2022-12-06 |
| 11440799 | Carbon material and method for manufacturing carbon material | Tomoyuki Awazu, Masatoshi Majima, Toshiyuki Nohira, Kouji Yasuda, Kouji Hidaka | 2022-09-13 |
| 11371139 | Method of manufacturing diamond, diamond, diamond composite substrate, diamond joined substrate, and tool | Natsuo Tatsumi, Hitoshi Sumiya, Kazuo Nakamae | 2022-06-28 |
| 11359275 | Method of manufacturing diamond substrate, diamond substrate, and diamond composite substrate | Takuji Okahisa, Yoshiyuki Yamamoto, Natsuo Tatsumi | 2022-06-14 |
| 11181590 | Diamond magnetic sensor | Kazuhiro Ikeda | 2021-11-23 |
| 11007558 | Diamond die | Makoto Yukawa, Bunya Suemitsu, Takuya Kinoshita, Shigetoshi Sumimoto, Yutaka Kobayashi +3 more | 2021-05-18 |
| 11001938 | Diamond composite body, substrate, diamond, tool including diamond, and method for manufacturing diamond | Natsuo Tatsumi, Hitoshi Sumiya | 2021-05-11 |
| 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 |
| 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 |