KK

Kenji Kakizawa

HC Hitachi Construction Machinery Co.: 3 patents #381 of 1,234Top 35%
📍 Tsuchiura, JP: #203 of 519 inventorsTop 40%
Overall (All Time): #1,541,521 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8424299 Hydraulic drive device for large hydraulic excavator Yoshinori Furuno 2013-04-23
8056331 Pump torque controller of hydraulic working machine Gen Yasuda 2011-11-15
7979229 Displacement control signal correction method, displacement control device, construction machine and displacement control signal correction program Saimon Otaka, Yoshinori Ohwada, Gen Yasuda 2011-07-12