Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12163207 | Cubic boron nitride sintered material and cutting tool including same | Akito Ishii, Yuichiro Watanabe, Katsumi Okamura, Yoshiki Asakawa, Akihiko Ueda +1 more | 2024-12-10 |
| 11959156 | Cubic boron nitride sintered material and cutting tool including same | Yuichiro Watanabe, Katsumi Okamura, Akito Ishii, Yoshiki Asakawa, Akihiko Ueda +1 more | 2024-04-16 |
| 11795113 | Cubic boron nitride sintered material | Akito Ishii, Katsumi Okamura, Yuh Ishida, Issei NAGASHIMA | 2023-10-24 |
| 11752559 | Cubic boron nitride sintered material and cutting tool including same | Yuichiro Watanabe, Katsumi Okamura, Akito Ishii, Yoshiki Asakawa, Akihiko Ueda +1 more | 2023-09-12 |
| 11629101 | Cubic boron nitride sintered material and method of producing same | Katsumi Okamura, Akito Ishii, Satoru Kukino | 2023-04-18 |
| 11591266 | Cubic boron nitride sintered material | Katsumi Okamura, Akito Ishii, Satoru Kukino | 2023-02-28 |
| 11192827 | Sintered material and cutting tool including same | Katsumi Okamura, Mayu Amemiya, Satoru Kukino | 2021-12-07 |
| 11155501 | Sintered material and partially stabilized zirconia with solid solution of alumina formed therein | Katsumi Okamura, Mayu Amemiya, Satoru Kukino | 2021-10-26 |