KO

Katsumi Okamura

Sumitomo Electric Industries: 7 patents #21 of 723Top 3%
SH Sumitomo Electric Hardmetal: 5 patents #10 of 90Top 15%
Overall (2021): #16,495 of 548,734Top 4%
7
Patents 2021

Issued Patents 2021

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
11208358 Cubic boron nitride sintered body and cutting tool including the same Yuichiro Watanabe, Akito Ishii, Takashi Harada, Satoru Kukino 2021-12-28
11192826 Sintered material and method of producing same Akito Ishii 2021-12-07
11192827 Sintered material and cutting tool including same Hisaya Hama, Mayu Amemiya, Satoru Kukino 2021-12-07
11161790 Cubic boron nitride sintered material Hironari Moroguchi, Michiko Matsukawa, Satoru Kukino, Akito Ishii, 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 Yuichiro Watanabe, Akito Ishii, Takashi Harada, Satoru Kukino 2021-10-26
11155501 Sintered material and partially stabilized zirconia with solid solution of alumina formed therein Hisaya Hama, Mayu Amemiya, Satoru Kukino 2021-10-26
11045872 Alloy powder, sintered material, method for producing alloy powder, and method for producing sintered material Akito Ishii, Takashi Harada, Satoru Kukino 2021-06-29