Inventor
OGASAWARA HIROTSUGU
JP20 patents
⚠️ This page may combine multiple inventors who share the name “OGASAWARA HIROTSUGU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANYO ELECTRIC CO
18 patentsUS7585163B2Sep 8, 2009
Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same
SANYO ELECTRIC CO11 citations84
US7581936B2Sep 1, 2009
Hermetically sealed compressor having oil supply mechanism based on refrigerant pressure
SANYO ELECTRIC CO9 citations83
US7563085B2Jul 21, 2009
Multicylinder rotary compressor and compressing system and refrigerating unit provided with same
SANYO ELECTRIC CO9 citations83
US7381040B2Jun 3, 2008
Compressor having pressure controlled for improving oil distribution
SANYO ELECTRIC CO11 citations83
US7481635B2Jan 27, 2009
Shaft seal for rotary type compressor
SANYO ELECTRIC CO8 citations82
US7585162B2Sep 8, 2009
Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same
SANYO ELECTRIC CO5 citations73
US7572116B2Aug 11, 2009
Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same
SANYO ELECTRIC CO5 citations73
US7524174B2Apr 28, 2009
Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same
SANYO ELECTRIC CO5 citations73
US7488165B2Feb 10, 2009
Compressor having back pressure vane controlled for improving oil distribution
SANYO ELECTRIC CO6 citations73
US7632082B2Dec 15, 2009
Hermetically sealed compressor and method of manufacturing the same
SANYO ELECTRIC CO7 citations72
US7581937B2Sep 1, 2009
Rotary type compressor having an intermediate pressure on a surface side of its compression member
SANYO ELECTRIC CO5 citations72
US7473081B2Jan 6, 2009
Hermetically sealed compressor and method of manufacturing the same
SANYO ELECTRIC CO6 citations72
US7114930B2Oct 3, 2006
Compressor
SANYO ELECTRIC CO7 citations70
US7985054B2Jul 26, 2011
Multicylindrical rotary compressor, compression system, and freezing device using the compression system
SANYO ELECTRIC CO2 citations63
US7762798B2Jul 27, 2010
Compressor having different hardness surface between upper surface and receiving surface of top dead center of compression member and vane
SANYO ELECTRIC CO5 citations63
US7566204B2Jul 28, 2009
Multicylindrical rotary compressor, compression system, and freezing device using the compression system
SANYO ELECTRIC CO4 citations63
US7540724B2Jun 2, 2009
Compression member and vane of a compressor
SANYO ELECTRIC CO2 citations62
US7736138B2Jun 15, 2010
Compressor with continuously inclined surface
SANYO ELECTRIC CO0 citations51