KO

Katsumi Okamura

Sumitomo Electric Industries: 8 patents #7 of 625Top 2%
SH Sumitomo Electric Hardmetal: 6 patents #6 of 60Top 10%
Overall (2022): #12,643 of 548,613Top 3%
8
Patents 2022

Issued Patents 2022

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11518718 Cubic boron nitride sintered material Mayu Amemiya, Akito Ishii, Satoru Kukino, Hironari Moroguchi 2022-12-06
11396451 Tungsten carbide powder and production method therefor Masato Michiuchi, Takamasa ONOKI, Takayuki Fudo, Takehiko Hayashi 2022-07-26
11396482 Cubic boron nitride sintered material, cutting tool including cubic boron nitride sintered material, and method of producing cubic boron nitride sintered material Yuichiro Watanabe, Akito Ishii, Takashi Harada, Satoru Kukino 2022-07-26
11383300 Sintered material and cutting tool including the same Akito Ishii, Satoru Kukino 2022-07-12
11377390 Cubic boron nitride sintered material Akito Ishii, Hironari Moroguchi, Satoru Kukino 2022-07-05
11352298 Cubic boron nitride sintered material Akito Ishii, Hironari Moroguchi, Satoru Kukino 2022-06-07
11338370 Cutting tool and method for manufacturing the same Satoru Kukino, Makoto Setoyama 2022-05-24
11339096 Tungsten carbide powder Masato Michiuchi, Takamasa ONOKI, Takayuki Fudo, Takehiko Hayashi 2022-05-24