Inventor
YAMAMURO SHIGEAKI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMURO SHIGEAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNISIA JECS CORP
7 patentsUS5488973AFeb 6, 1996
Structure for control valve
UNISIA JECS CORP29 citations92
US5445189AAug 29, 1995
Structure for control valve
UNISIA JECS CORP24 citations92
US6561149B1May 13, 2003
Rotary phase controller, and valve timing controller of internal combustion engine
UNISIA JECS CORP20 citations84
US5636908AJun 10, 1997
Fluid pressure control valve
UNISIA JECS CORP6 citations73
US5445446AAug 29, 1995
Fluid pressure control valve
UNISIA JECS CORP11 citations73
US6732688B2May 11, 2004
Valve timing control system for internal combustion engine
UNISIA JECS CORP10 citations72
US6622674B2Sep 23, 2003
Valve timing control system for internal combustion engine
UNISIA JECS CORP10 citations72
YAMAMURO SHIGEAKI
6 patentsUS8257057B2Sep 4, 2012
Variable displacement vane pump
YAMAMURO SHIGEAKI5 citations61
US8555628B2Oct 15, 2013
Variable displacement pump and power steering apparatus using the variable displacement pump
YAMAMURO SHIGEAKI4 citations60
US8419392B2Apr 16, 2013
Variable displacement vane pump
YAMAMURO SHIGEAKI2 citations60
US8282369B2Oct 9, 2012
Variable displacement vane pump with defined cam profile
YAMAMURO SHIGEAKI4 citations60
US8562316B2Oct 22, 2013
Variable capacity vane pump
YAMAMURO SHIGEAKI1 citations50
US8197238B2Jun 12, 2012
Pump apparatus
YAMAMURO SHIGEAKI0 citations40