Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12286726 | Diamond composite body, substrate, diamond, tool including diamond, and method for manufacturing diamond | Yoshiki Nishibayashi, Hitoshi Sumiya | 2025-04-29 |
| 12215438 | Single-crystal diamond and method of manufacturing the same | Yoshiki Nishibayashi, Takuya Nohara, Akihiko Ueda, Yutaka Kobayashi | 2025-02-04 |
| 11692264 | Method of manufacturing diamond substrate, diamond substrate, and diamond composite substrate | Takuji Okahisa, Yoshiyuki Yamamoto, Yoshiki Nishibayashi | 2023-07-04 |
| 11629104 | Body obtained by processing solid carbon-containing material and producing method thereof | Yoshiki Nishibayashi, Kensei Hamaki | 2023-04-18 |
| 11518680 | Body obtained by processing solid carbon-containing material, producing method thereof, and producing apparatus thereof | Yoshiki Nishibayashi, Kensei Hamaki | 2022-12-06 |
| 11371139 | Method of manufacturing diamond, diamond, diamond composite substrate, diamond joined substrate, and tool | Yoshiki Nishibayashi, Hitoshi Sumiya, Kazuo Nakamae | 2022-06-28 |
| 11359275 | Method of manufacturing diamond substrate, diamond substrate, and diamond composite substrate | Takuji Okahisa, Yoshiyuki Yamamoto, Yoshiki Nishibayashi | 2022-06-14 |
| 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 | Yoshiki Nishibayashi, Hitoshi Sumiya | 2021-05-11 |
| 10822693 | Method of manufacturing diamond substrate, diamond substrate, and diamond composite substrate | Takuji Okahisa, Yoshiyuki Yamamoto, Yoshiki Nishibayashi | 2020-11-03 |
| 10774442 | Single-crystal diamond material, single-crystal diamond chip, and perforated tool | Yoshiki Nishibayashi, 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, Yoshiki Nishibayashi, Hitoshi Sumiya, Yutaka Kobayashi, Akihiko Ueda | 2020-08-11 |
| 10697058 | Single-crystal diamond, method of producing same, tool including single-crystal diamond, and component including single-crystal diamond | Yoshiki Nishibayashi, Hitoshi Sumiya | 2020-06-30 |
| 10584428 | Method of manufacturing diamond, diamond, diamond composite substrate, diamond joined substrate, and tool | Yoshiki Nishibayashi, Hitoshi Sumiya, Kazuo Nakamae | 2020-03-10 |
| 10569317 | Single-crystal diamond, tool using same, and method of producing single-crystal diamond | Yoshiki Nishibayashi, 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, Yoshiki Nishibayashi | 2019-11-26 |
| 10316430 | Single crystal diamond, method for manufacturing single crystal diamond, and tool containing single crystal diamond | Yoshiki Nishibayashi, Hitoshi Sumiya, Akihiko Ueda, Yutaka Kobayashi | 2019-06-11 |
| 10287708 | Single-crystal diamond material, single-crystal diamond chip, and perforated tool | Yoshiki Nishibayashi, Hitoshi Sumiya, Akihiko Ueda, Yutaka Kobayashi | 2019-05-14 |
| 9403215 | Cutting tool and method for producing same | Katsuko Yamamoto, Hitoshi Sumiya | 2016-08-02 |
| 7902734 | Electron emission element and electron emission element fabrication method | Yoshiyuki Yamamoto, Yoshiki Nishibayashi, Takahiro Imai | 2011-03-08 |
| 7710013 | Electron emitting device with projection comprising base portion and electron emission portion | Akihiko Namba, Yoshiki Nishibayashi, Takahiro Imai | 2010-05-04 |
| 7432521 | Logical operation element field emission emitter and logical operation circuit | Yoshiki Nishibayashi, Takahiro Imai, Tsuneo Nakahara | 2008-10-07 |
| 7391145 | Cold-cathode electron source, microwave tube using it, and production method thereof | Takahiro Imai | 2008-06-24 |
| 7323812 | Process for producing diamond electron emission element and electron emission element | Akihiko Namba, Yoshiki Nishibayashi, Takahiro Imai | 2008-01-29 |
| 7307377 | Electron emitting device with projection comprising base portion and electron emission portion | Akihiko Namba, Yoshiki Nishibayashi, Takahiro Imai | 2007-12-11 |