KO

Katsumi Okamura

Sumitomo Electric Industries: 8 patents #4 of 544Top 1%
SH Sumitomo Electric Hardmetal: 6 patents #5 of 47Top 15%
Overall (2023): #12,539 of 537,848Top 3%
8
Patents 2023

Issued Patents 2023

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
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