Inventor
TAKAO KUNIHIKO
JP28 patents
⚠️ This page may combine multiple inventors who share the name “TAKAO KUNIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
18 patentsUS5775893AJul 7, 1998
Scroll compressor having an orbiting scroll with volute wraps on both sides of a plate
HITACHI LTD94 citations98
US5938417AAug 17, 1999
Scroll type fluid machine having wraps formed of circular arcs
HITACHI LTD74 citations96
US5063829ANov 12, 1991
Variable displacement swash plate type compressor
HITACHI LTD65 citations96
US6651630B2Nov 25, 2003
High pressure fuel pump
HITACHI LTD31 citations93
US6725837B2Apr 27, 2004
Fuel supply system
HITACHI LTD40 citations92
US6701898B2Mar 9, 2004
Fuel supply apparatus and method of control thereof
HITACHI LTD31 citations92
US6505608B2Jan 14, 2003
Fuel supply system
HITACHI LTD34 citations92
US5231914AAug 3, 1993
Variable displacement compressor
HITACHI LTD27 citations92
US5105728AApr 21, 1992
Balanced variable-displacement compressor
HITACHI LTD40 citations92
US4867649ASep 19, 1989
Refrigerating system
HITACHI LTD33 citations92
US4801248AJan 31, 1989
Variable capacity swash plate compressor
HITACHI LTD35 citations92
US6352418B1Mar 5, 2002
Displacement type fluid machine
HITACHI LTD27 citations91
US4321019AMar 23, 1982
Swash plate type compressor
HITACHI LTD32 citations91
US4653991AMar 31, 1987
Vane type compressor with fluid pressure biased vanes
HITACHI LTD24 citations82
US4782712ANov 8, 1988
Variable displacement compressor
HITACHI LTD14 citations74
US4702684AOct 27, 1987
Slide vane type compressor with increased suction part-cross-sectional area
HITACHI LTD9 citations74
US4815943AMar 28, 1989
Variable displacement wobble plate compressor with capacity control valve
HITACHI LTD16 citations71
US4636148AJan 13, 1987
Vane type compressor with volume control
HITACHI LTD6 citations63
HITACHI HIGH TECH CORP
8 patentsUS7063785B2Jun 20, 2006
Pump for liquid chromatography
HITACHI HIGH TECH CORP67 citations98
US7189320B2Mar 13, 2007
Pump, pump for liquid chromatography, and liquid chromatography apparatus
HITACHI HIGH TECH CORP20 citations92
US6923916B1Aug 2, 2005
Liquid chromatograph pump and control method therefor
HITACHI HIGH TECH CORP32 citations92
US7901573B2Mar 8, 2011
Separation column and liquid chromatography apparatus using the same
HITACHI HIGH TECH CORP7 citations84
US7588423B2Sep 15, 2009
Pump for liquid chromatograph
HITACHI HIGH TECH CORP11 citations84
US7921696B2Apr 12, 2011
Liquid chromatograph device
HITACHI HIGH TECH CORP6 citations74
US7350401B2Apr 1, 2008
Liquid feeding system
HITACHI HIGH TECH CORP5 citations74
US7063513B2Jun 20, 2006
Liquid chromatograph pump with dual cylinders and dual plungers
HITACHI HIGH TECH CORP5 citations63