RN

Ryuu Narikawa

HC Hitachi Construction Machinery Co.: 2 patents #21 of 149Top 15%
Overall (2022): #115,634 of 548,613Top 25%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11466435 Hydraulic excavator with area limiting control function Shiho Izumi, Shuuichi MEGURIYA, Kouji Ishikawa, Tarou AKITA 2022-10-11
11453995 Work machine Masamichi Ito, Shinya Imura 2022-09-27