Inventor
SUEFUJI KAZUTAKA
JP41 patents
⚠️ This page may combine multiple inventors who share the name “SUEFUJI KAZUTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
22 patentsUS5040958AAug 20, 1991
Scroll compressor having changeable axis in eccentric drive
HITACHI LTD78 citations96
US4475360AOct 9, 1984
Refrigeration system incorporating scroll type compressor
HITACHI LTD132 citations96
US4382370AMay 10, 1983
Refrigerating system using scroll type compressor
HITACHI LTD116 citations95
US5947709ASep 7, 1999
Scroll compressor with oiling mechanism
HITACHI LTD36 citations92
US5716202AFeb 10, 1998
Scroll compressor with oiling mechanism
HITACHI LTD36 citations92
US5295808AMar 22, 1994
Synchronous rotating type scroll fluid machine
HITACHI LTD37 citations92
US5125810AJun 30, 1992
Scroll compressor with a stationary and orbiting member of different material
HITACHI LTD26 citations92
US5037279AAug 6, 1991
Scroll fluid machine having wrap start portion with thick base and thin tip
HITACHI LTD23 citations92
US4603556AAug 5, 1986
Control method and apparatus for an air conditioner using a heat pump
HITACHI LTD51 citations92
US4802831AFeb 7, 1989
Fluid machine with resin-coated scroll members
HITACHI LTD46 citations90
US7201568B2Apr 10, 2007
Scroll fluid machine
HITACHI LTD14 citations84
US7455508B2Nov 25, 2008
Scroll type fluid machine having counter weight provided on driving bush and sub weight radially protruding from rotary shaft
HITACHI LTD9 citations83
US7309219B2Dec 18, 2007
Scroll type fluid machinery
HITACHI LTD10 citations83
US4557675ADec 10, 1985
Scroll-type fluid machine with back pressure chamber biasing an orbiting scroll member
HITACHI LTD22 citations82
US4861245AAug 29, 1989
Scroll compressor with sealed pressure space biasing the orbiting scroll member
HITACHI LTD20 citations74
US4352642AOct 5, 1982
Hermetic motor-compressor
HITACHI LTD18 citations74
US4904170AFeb 27, 1990
Scroll-type fluid machine with different terminal end wrap angles
HITACHI LTD9 citations73
US4810176AMar 7, 1989
Anti-rotation mechanism for use with orbiting scroll member of scroll compressor
HITACHI LTD19 citations73
US4749344AJun 7, 1988
Oil feeding device for scroll fluid apparatus
HITACHI LTD13 citations73
US4579512AApr 1, 1986
Scroll-type fluid machine with radial clearance between wraps
HITACHI LTD13 citations73
US7950913B2May 31, 2011
Seal system and scroll type fluid machine
HITACHI LTD5 citations62
US7458788B2Dec 2, 2008
Scroll fluid machine including back-pressure chamber with increased pressure receiving area
HITACHI LTD6 citations61
TOKICO LTD
7 patentsUS6224357B1May 1, 2001
Scroll fluid machine having an orbiting radius varying mechanism and a clearance between the wrap portions
TOKICO LTD21 citations92
US5803723ASep 8, 1998
Scroll fluid machine having surface coating layers on wraps thereof
TOKICO LTD28 citations92
US6267572B1Jul 31, 2001
Scroll fluid machine having scroll members at each end of a rotating hollow shaft
TOKICO LTD41 citations90
US6592345B2Jul 15, 2003
Scroll compressor
TOKICO LTD15 citations84
US6808373B2Oct 26, 2004
Scroll fluid machine having projections on a wrap peripheral surface
TOKICO LTD10 citations73
US5934890AAug 10, 1999
Scroll fluid machine having a rotating preventing mechanism including a resilient member
TOKICO LTD8 citations72
US5813843ASep 29, 1998
Scroll-type fluidic machine having a slider for axial thrust and rotation prevention
TOKICO LTD9 citations70