KK

Kenji Kumai

Kyocera: 12 patents #164 of 3,732Top 5%
📍 Satsumasendai, JP: #7 of 65 inventorsTop 15%
Overall (All Time): #392,146 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
12343802 Coated tool and cutting tool including the same Yuusaku Sugawa, Hirotoshi Ito, Takanori Sugiyama, Tadashi Katsuma 2025-07-01
12318845 Coated tool and cutting tool including the same Yuusaku Sugawa, Hirotoshi Ito, Takanori Sugiyama, Tadashi Katsuma 2025-06-03
12246385 Coated tool and cutting tool including the same Yuusaku Sugawa, Hirotoshi Ito, Takanori Sugiyama, Tadashi Katsuma 2025-03-11
12194543 Coated tool and cutting tool including the same Yuusaku Sugawa, Hirotoshi Ito, Takanori Sugiyama, Tadashi Katsuma 2025-01-14
12103089 Coated tool Yuusaku Sugawa, Hayato Kubo, Hiroyuki KINJO 2024-10-01
11969801 Coated tool and cutting tool 2024-04-30
11541468 Coated tool and cutting tool including same Yuusaku Sugawa, Yoshikazu Kodama, Takanori Sugiyama, Hirotoshi Itoh 2023-01-03
11534835 Coated tool and cutting tool including same Yuusaku Sugawa, Yoshikazu Kodama, Takanori Sugiyama, Hirotoshi Itoh 2022-12-27
11517966 Coated tool, and cutting tool comprising same Yuusaku Sugawa, Yoshikazu Kodama, Takanori Sugiyama, Hirotoshi Itoh 2022-12-06
11478857 Cutting insert Kou Ri 2022-10-25
11241743 Coated tool, cutting tool, and method for manufacturing machined product Yoshikazu Kodama, Yuusaku Sugawa 2022-02-08
10682707 Cutting tool Yoshikazu Kodama, Hayato Kubo, Tadashi Katsuma, Kensaku Watanabe 2020-06-16