KO

Katsumi Okamura

Sumitomo Electric Industries: 7 patents #32 of 636Top 6%
SH Sumitomo Electric Hardmetal: 4 patents #10 of 79Top 15%
Overall (2024): #18,174 of 561,600Top 4%
7
Patents 2024

Issued Patents 2024

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
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