YO

Yasuo Okano

HC Hitachi Construction Machinery Co.: 2 patents #31 of 190Top 20%
📍 Tsuchiura, JP: #13 of 78 inventorsTop 20%
Overall (2016): #85,571 of 481,213Top 20%
2
Patents 2016

Issued Patents 2016

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9458840 Relief pressure control device for hydraulic work machine Hiroyuki Azuma, Tsuyoshi Nakamura, Hidenobu Tsukada, Kensuke Sato 2016-10-04
9341198 Hydraulic drive device for working machine Tsuyoshi Nakamura, Kazunori Nakamura, Kouji Ishikawa, Kensuke Sato, Hiroyuki Azuma +2 more 2016-05-17