RN

Ryu NARIKAWA

HC Hitachi Construction Machinery Co.: 3 patents #14 of 149Top 10%
Overall (2022): #64,174 of 548,613Top 15%
3
Patents 2022

Issued Patents 2022

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11391011 Hydraulic excavator Manabu Edamura, Kouji Ishikawa, Shiho Izumi 2022-07-19
11313107 Work machine Teruki IGARASHI, Shiho Izumi, Shuuichi MEGURIYA, Hiroki Takeuchi 2022-04-26
11230824 Work machine Hidekazu Moriki, Manabu Edamura, Shiho Izumi 2022-01-25