Inventor
KOWATARI YOUICHI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “KOWATARI YOUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI CONSTRUCTION MACHINERY
9 patentsUS5890303AApr 6, 1999
Hydraulic by-pass circuit for a hydraulic shovel
HITACHI CONSTRUCTION MACHINERY29 citations92
US5848531ADec 15, 1998
Hydraulic drive system for construction machines
HITACHI CONSTRUCTION MACHINERY36 citations92
US5813311ASep 29, 1998
Hydraulic control system for hydraulic working machine
HITACHI CONSTRUCTION MACHINERY12 citations73
US8359140B2Jan 22, 2013
Pedal lock control device for work vehicle
HITACHI CONSTRUCTION MACHINERY6 citations72
US6101456AAug 8, 2000
Output correcting method in control system, control system, and hydraulic pump control system
HITACHI CONSTRUCTION MACHINERY12 citations72
US5934879AAug 10, 1999
Pump torque control system
HITACHI CONSTRUCTION MACHINERY7 citations71
US7912616B2Mar 22, 2011
Gear shifting control device for work machine
HITACHI CONSTRUCTION MACHINERY4 citations62
US7970522B2Jun 28, 2011
Gear shifting control system for work machine
HITACHI CONSTRUCTION MACHINERY1 citations51
US8355846B2Jan 15, 2013
Pedal lock control device for work vehicle
HITACHI CONSTRUCTION MACHINERY0 citations41