Issued Patents All Time
Showing 1–25 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428585 | Coated super-abrasive grains, abrasive grains, and wheel | Akito Ishii, Masahiro Ohata, Masato Michiuchi, Kei HIRAI, Nobuhide Nakamura +1 more | 2025-09-30 |
| 12410103 | Cubic boron nitride sintered material and cutting tool | Mayu Amemiya, Akito Ishii, Yuka DEGUCHI, Satoru Kukino | 2025-09-09 |
| 12163207 | Cubic boron nitride sintered material and cutting tool including same | Akito Ishii, Yuichiro Watanabe, Yoshiki Asakawa, Akihiko Ueda, Satoru Kukino +1 more | 2024-12-10 |
| 12070802 | Sintered material and cutting tool including same | Akito Ishii, Takashi Harada, Satoru Kukino | 2024-08-27 |
| 12054813 | Method of producing cubic boron nitride sintered material, cubic boron nitride sintered material, and cutting tool including cubic boron nitride sintered material | Yuichiro Watanabe, Akito Ishii, Takashi Harada, Satoru Kukino | 2024-08-06 |
| 11959156 | Cubic boron nitride sintered material and cutting tool including same | Yuichiro Watanabe, Akito Ishii, Yoshiki Asakawa, Akihiko Ueda, Satoru Kukino +1 more | 2024-04-16 |
| 11951550 | Cemented carbide and tool containing the same | Yasuki Kido, Takashi Sekiya | 2024-04-09 |
| 11920222 | Composite sintered material | Naoki Watanobe, Takashi Harada, Satoru Kukino, Taisuke Higashi | 2024-03-05 |
| 11858049 | Cemented carbide and tool containing the same | Yasuki Kido, Chiaki TOKUDA | 2024-01-02 |
| 11795113 | Cubic boron nitride sintered material | Akito Ishii, Hisaya Hama, Yuh Ishida, Issei NAGASHIMA | 2023-10-24 |
| 11786975 | Cutting tool and method for manufacturing the same | Haruko Harada, Satoshi Ono, Anongsack Paseuth | 2023-10-17 |
| 11767268 | Cubic boron nitride sintered material | Akito Ishii | 2023-09-26 |
| 11752559 | Cubic boron nitride sintered material and cutting tool including same | Yuichiro Watanabe, Akito Ishii, Yoshiki Asakawa, Akihiko Ueda, Satoru Kukino +1 more | 2023-09-12 |
| 11680022 | Composite sintered material | Naoki Watanobe, Takashi Harada, Akito Ishii, Satoru Kukino, Taisuke Higashi | 2023-06-20 |
| 11629101 | Cubic boron nitride sintered material and method of producing same | Hisaya Hama, Akito Ishii, Satoru Kukino | 2023-04-18 |
| 11591266 | Cubic boron nitride sintered material | Hisaya Hama, Akito Ishii, Satoru Kukino | 2023-02-28 |
| 11542203 | Cubic boron nitride sintered material | Mayu Amemiya, Akito Ishii, Hironari Moroguchi, Satoru Kukino | 2023-01-03 |
| 11518718 | Cubic boron nitride sintered material | Mayu Amemiya, Akito Ishii, Satoru Kukino, Hironari Moroguchi | 2022-12-06 |
| 11396482 | Cubic boron nitride sintered material, cutting tool including cubic boron nitride sintered material, and method of producing cubic boron nitride sintered material | Yuichiro Watanabe, Akito Ishii, Takashi Harada, Satoru Kukino | 2022-07-26 |
| 11396451 | Tungsten carbide powder and production method therefor | Masato Michiuchi, Takamasa ONOKI, Takayuki Fudo, Takehiko Hayashi | 2022-07-26 |
| 11383300 | Sintered material and cutting tool including the same | Akito Ishii, Satoru Kukino | 2022-07-12 |
| 11377390 | Cubic boron nitride sintered material | Akito Ishii, Hironari Moroguchi, Satoru Kukino | 2022-07-05 |
| 11352298 | Cubic boron nitride sintered material | Akito Ishii, Hironari Moroguchi, Satoru Kukino | 2022-06-07 |
| 11339096 | Tungsten carbide powder | Masato Michiuchi, Takamasa ONOKI, Takayuki Fudo, Takehiko Hayashi | 2022-05-24 |
| 11338370 | Cutting tool and method for manufacturing the same | Satoru Kukino, Makoto Setoyama | 2022-05-24 |