RN

Ryuu Narikawa

HC Hitachi Construction Machinery Co.: 5 patents #242 of 1,234Top 20%
Overall (All Time): #958,240 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 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
10801187 Work machine Shiho Izumi, Kouji Ishikawa, Daito Sakai, Takahiko Kurose 2020-10-13
10774502 Work machine Daito Sakai, Shiho Izumi, Kouji Ishikawa 2020-09-15
10626578 Work machine Shiho Izumi, Shuuichi MEGURIYA, Tarou AKITA, Kouji Ishikawa 2020-04-21