Issued Patents All Time
Showing 25 most recent of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12391552 | Polycrystalline cubic crystal boron nitride and tool | Yuh Ishida | 2025-08-19 |
| 12286726 | Diamond composite body, substrate, diamond, tool including diamond, and method for manufacturing diamond | Yoshiki Nishibayashi, Natsuo Tatsumi | 2025-04-29 |
| 12258677 | Synthetic single crystal diamond, tool including the same and method of producing synthetic single crystal diamond | Yoshiki Nishibayashi, Minori TERAMOTO, Yutaka Kobayashi, Issei Satoh, Ryo Toyoshima | 2025-03-25 |
| 11858856 | Polycrystalline diamond and method for manufacturing same, scribe tool, scribe wheel, dresser, rotating tool, wire drawing die, cutting tool, electrode, and processing method using polycrystalline diamond | Kazuhiro Ikeda, Keiko Arimoto, Katsuko Yamamoto | 2024-01-02 |
| 11814293 | Diamond polycrystal, tool including diamond polycrystal, and method of producing diamond polycrystal | Katsuko Yamamoto | 2023-11-14 |
| 11787699 | Diamond polycrystal and method of producing the same | Yuh Ishida, Kensei Hamaki, Katsuko Yamamoto | 2023-10-17 |
| 11613826 | Synthetic single crystal diamond | Kensei Hamaki, Minori TERAMOTO, Katsuko Yamamoto | 2023-03-28 |
| 11453589 | Method of producing boron nitride polycrystal, boron nitride polycrystal, cutting tool, wear-resisting tool, and grinding tool | Yuh Ishida | 2022-09-27 |
| 11427930 | Diamond polycrystal and tool including same | Katsuko Yamamoto | 2022-08-30 |
| 11427475 | Polycrystalline diamond and method for manufacturing same, scribe tool, scribe wheel, dresser, rotating tool, orifice for water jet, wire drawing die, cutting tool, electrode, and processing method using polycrystalline diamond | Kazuhiro Ikeda, Keiko Arimoto, Katsuko Yamamoto | 2022-08-30 |
| 11421341 | Diamond polycrystal and tool including same | Katsuko Yamamoto | 2022-08-23 |
| 11383306 | Method for producing polycrystalline diamond body, polycrystalline diamond body, cutting tool, wear-resistance tool and grinding tool | Yuh Ishida | 2022-07-12 |
| 11371139 | Method of manufacturing diamond, diamond, diamond composite substrate, diamond joined substrate, and tool | Yoshiki Nishibayashi, Natsuo Tatsumi, Kazuo Nakamae | 2022-06-28 |
| 11072008 | Wear-resistant tool | Takeshi Sato, Makoto Yukawa, Bunya Suemitsu | 2021-07-27 |
| 11041791 | Indenter made of polycrystalline diamond, and method and apparatus using the same for evaluating crack initiation load | Kensei Hamaki, Katsuko Yamamoto, Yuh Ishida | 2021-06-22 |
| 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, Natsuo Tatsumi | 2021-05-11 |
| 10829379 | Polycrystalline diamond and manufacturing method thereof, scribe tool, scribing wheel, dresser, rotating tool, orifice for water jet, wiredrawing die, cutting tool, and electron emission source | Kazuhiro Ikeda, Keiko Arimoto, Katsuko Yamamoto, Takeshi Sato | 2020-11-10 |
| 10774442 | Single-crystal diamond material, single-crystal diamond chip, and perforated tool | Yoshiki Nishibayashi, Natsuo Tatsumi, 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, Yoshiki Nishibayashi, Yutaka Kobayashi, Akihiko Ueda | 2020-08-11 |
| 10703636 | Composite polycrystal and method for manufacturing the same | Yuh Ishida, Takeshi Sato | 2020-07-07 |
| 10697058 | Single-crystal diamond, method of producing same, tool including single-crystal diamond, and component including single-crystal diamond | Natsuo Tatsumi, Yoshiki Nishibayashi | 2020-06-30 |
| 10584428 | Method of manufacturing diamond, diamond, diamond composite substrate, diamond joined substrate, and tool | Yoshiki Nishibayashi, Natsuo Tatsumi, Kazuo Nakamae | 2020-03-10 |
| 10562776 | Diamond single crystal, tool, and method for producing diamond single crystal | Katsuko Yamamoto, Keiko Arimoto | 2020-02-18 |
| 10562822 | Cubic boron nitride polycrystalline material, cutting tool, wear resistant tool, grinding tool, and method of manufacturing cubic boron nitride polycrystalline material | Yuh Ishida, Katsuko Yamamoto | 2020-02-18 |