WK

Wataru Kubomoto

KS Kobe Steel: 4 patents #205 of 2,031Top 15%
Overall (All Time): #1,297,421 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5101627 Adjustable flow-combining restrictor for hydraulic excavator dual pump circuit Kazuhiko Fujii, Hiroshi Shimokakiuchi, Sumio Kouchi 1992-04-07
5083428 Fluid control system for power shovel Kazuyuki Doi 1992-01-28
4986072 Hydraulic actuator circuit with flow-joining control 1991-01-22
4984427 Control circuit for hydraulic actuator 1991-01-15