YI

Yuuji Igawa

HC Hitachi Construction Machinery Co.: 1 patents #60 of 190Top 35%
📍 Omitama, JP: #1 of 3 inventorsTop 35%
Overall (2016): #171,161 of 481,213Top 40%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9260143 Rotation device for construction machine Hideki Akita, Shigeyuki Sakurai 2016-02-16