Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |