YH

Yoshiya HAMAMACHI

HC Hitachi Construction Machinery Co.: 1 patents #47 of 149Top 35%
Overall (2022): #198,960 of 548,613Top 40%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11447936 Oil diagnosis system Hiroki TAKAMI, Akira KURASAKO, Kotaro Ogura, Hideki Akita, Hiroshi Onose 2022-09-20