KI

Kouji Ishikawa

HC Hitachi Construction Machinery Co.: 3 patents #14 of 149Top 10%
Overall (2022): #73,165 of 548,613Top 15%
3
Patents 2022

Issued Patents 2022

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11466435 Hydraulic excavator with area limiting control function Shiho Izumi, Shuuichi MEGURIYA, Ryuu Narikawa, Tarou AKITA 2022-10-11
11391011 Hydraulic excavator Ryu NARIKAWA, Manabu Edamura, Shiho Izumi 2022-07-19
11377822 Hydraulic drive apparatus Kiwamu Takahashi, Yasutaka Tsuruga, Masatoshi Hoshino, Seiji Hijikata 2022-07-05