Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428585 | Coated super-abrasive grains, abrasive grains, and wheel | Katsumi Okamura, Masahiro Ohata, Masato Michiuchi, Kei HIRAI, Nobuhide Nakamura +1 more | 2025-09-30 |
| 12410103 | Cubic boron nitride sintered material and cutting tool | Katsumi Okamura, Mayu Amemiya, Yuka DEGUCHI, Satoru Kukino | 2025-09-09 |
| 12163207 | Cubic boron nitride sintered material and cutting tool including same | Yuichiro Watanabe, Katsumi Okamura, Yoshiki Asakawa, Akihiko Ueda, Satoru Kukino +1 more | 2024-12-10 |
| 12070802 | Sintered material and cutting tool including same | Takashi Harada, Katsumi Okamura, 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 | Katsumi Okamura, Yuichiro Watanabe, Takashi Harada, Satoru Kukino | 2024-08-06 |
| 11959156 | Cubic boron nitride sintered material and cutting tool including same | Yuichiro Watanabe, Katsumi Okamura, Yoshiki Asakawa, Akihiko Ueda, Satoru Kukino +1 more | 2024-04-16 |
| 11795113 | Cubic boron nitride sintered material | Katsumi Okamura, Hisaya Hama, Yuh Ishida, Issei NAGASHIMA | 2023-10-24 |
| 11767268 | Cubic boron nitride sintered material | Katsumi Okamura | 2023-09-26 |
| 11752559 | Cubic boron nitride sintered material and cutting tool including same | Yuichiro Watanabe, Katsumi Okamura, Yoshiki Asakawa, Akihiko Ueda, Satoru Kukino +1 more | 2023-09-12 |
| 11680022 | Composite sintered material | Naoki Watanobe, Takashi Harada, Katsumi Okamura, Satoru Kukino, Taisuke Higashi | 2023-06-20 |
| 11629101 | Cubic boron nitride sintered material and method of producing same | Hisaya Hama, Katsumi Okamura, Satoru Kukino | 2023-04-18 |
| 11591266 | Cubic boron nitride sintered material | Hisaya Hama, Katsumi Okamura, Satoru Kukino | 2023-02-28 |
| 11542203 | Cubic boron nitride sintered material | Mayu Amemiya, Katsumi Okamura, Hironari Moroguchi, Satoru Kukino | 2023-01-03 |
| 11518718 | Cubic boron nitride sintered material | Mayu Amemiya, Katsumi Okamura, 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 | Katsumi Okamura, Yuichiro Watanabe, Takashi Harada, Satoru Kukino | 2022-07-26 |
| 11383300 | Sintered material and cutting tool including the same | Katsumi Okamura, Satoru Kukino | 2022-07-12 |
| 11377390 | Cubic boron nitride sintered material | Katsumi Okamura, Hironari Moroguchi, Satoru Kukino | 2022-07-05 |
| 11352298 | Cubic boron nitride sintered material | Katsumi Okamura, Hironari Moroguchi, Satoru Kukino | 2022-06-07 |
| 11208358 | Cubic boron nitride sintered body and cutting tool including the same | Katsumi Okamura, Yuichiro Watanabe, Takashi Harada, Satoru Kukino | 2021-12-28 |
| 11192826 | Sintered material and method of producing same | Katsumi Okamura | 2021-12-07 |
| 11161790 | Cubic boron nitride sintered material | Hironari Moroguchi, Michiko Matsukawa, Satoru Kukino, Katsumi Okamura, Machiko Abe +1 more | 2021-11-02 |
| 11155901 | Method of producing cubic boron nitride sintered material, cubic boron nitride sintered material, and cutting tool including cubic boron nitride sintered material | Katsumi Okamura, Yuichiro Watanabe, Takashi Harada, Satoru Kukino | 2021-10-26 |
| 11045872 | Alloy powder, sintered material, method for producing alloy powder, and method for producing sintered material | Takashi Harada, Katsumi Okamura, Satoru Kukino | 2021-06-29 |
| 10532951 | Sintered material and cutting tool including same | Kentaro Chihara, Satoru Kukino | 2020-01-14 |
| 10023499 | Hard material, sintered material, tool including sintered material, manufacturing method of hard material, and manufacturing method of sintered material | Takashi Harada, Satoru Kukino | 2018-07-17 |