KK

Katsuo Kazahaya

SH Sumitomo Electric Hardmetal: 4 patents #108 of 278Top 40%
A. A.L.M.T.: 2 patents #36 of 152Top 25%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Kasai, JP: #1,342 of 5,842 inventorsTop 25%
Overall (All Time): #804,588 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11554421 Cutting tool and method of manufacturing the same Nozomi Tsukihara, Yutaka Kobayashi 2023-01-17
11376668 Cutting tool Yutaka Kobayashi 2022-07-05
10981235 Rotary cutting tool and method of manufacturing the same Nozomi Tsukihara, Yutaka Kobayashi 2021-04-20
10882117 Cutting tool Yutaka Kobayashi 2021-01-05
8677986 Electrodeposited wire tool and manufacturing method thereof Yasushi Matsumoto, Toshio Fukunishi, Munehiro Tsujimoto, Hideki Ogawa, Masaaki Yamanaka +1 more 2014-03-25
7883775 Diamond film coated tool and process for producing the same Shigetaka Kawai, Yasushi Matsumoto, Keiji Ishibashi, Takahiro Imai 2011-02-08