P

Inventor

MATSUNAGA MUTSUNORI

JP25 patents
⚠️ This page may combine multiple inventors who share the name “MATSUNAGA MUTSUNORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

8 patents
US5660539AAug 26, 1997

Scroll compressor

HITACHI LTD115 citations97
US5277564AJan 11, 1994

Closed type scroll compressor with spherical slide bearing for the oil tube

HITACHI LTD35 citations92
US6966194B2Nov 22, 2005

Refrigerating machine

HITACHI LTD15 citations83
US6832488B2Dec 21, 2004

Refrigerating machine

HITACHI LTD14 citations83
US7082786B2Aug 1, 2006

Scroll compressor and refrigerating system using ammonia group refrigerant

HITACHI LTD14 citations82
US7021912B2Apr 4, 2006

Scroll fluid machine

HITACHI LTD13 citations82
US6345967B1Feb 12, 2002

Scroll type fluid machine having different wrap side surface clearances

HITACHI LTD14 citations82
US6280165B1Aug 28, 2001

Scroll type fluid machine

HITACHI LTD8 citations74

HITACHI APPLIANCES INC

5 patents
US7442017B2Oct 28, 2008

Displacement type compressor having a self-start synchronous motor and start load reducing means

HITACHI APPLIANCES INC10 citations83
US7824160B2Nov 2, 2010

Scroll compressor and refrigerating apparatus

HITACHI APPLIANCES INC5 citations63
US7758326B2Jul 20, 2010

Scroll fluid machine

HITACHI APPLIANCES INC6 citations60
US7163386B2Jan 16, 2007

Scroll compressor having a movable auxiliary portion with contact plane of a stopper portion to contact a pane of the fixed scroll through elastic pressure of high pressure fluid

HITACHI APPLIANCES INC6 citations60
US7628593B2Dec 8, 2009

Horizontal type scroll compressor including a first space and a second space

HITACHI APPLIANCES INC3 citations57

NAKAMURA SATOSHI

3 patents
US8992188B2Mar 31, 2015

Revolution type compressor

NAKAMURA SATOSHI5 citations72
US8740594B2Jun 3, 2014

Scroll compressor including seal member and guide ring

NAKAMURA SATOSHI2 citations62
US8152502B2Apr 10, 2012

Scroll compressor having guide ring supporting and urging seal member

NAKAMURA SATOSHI1 citations51

HITACHI LTD TRUSTEE FOR THE BE

1 patent
US6708520B2Mar 23, 2004

Scroll compressor and refrigerating system using ammonia group refrigerant

HITACHI LTD TRUSTEE FOR THE BE17 citations89

HITACHI AIR CONDITIONING SYS

1 patent
US7437882B2Oct 21, 2008

Apparatus for driving a compressor and a refrigerating air conditioner

HITACHI AIR CONDITIONING SYS10 citations82

(unassigned)

1 patent
US6925824B2Aug 9, 2005

Apparatus for driving a compressor and a refrigerating air conditioner

10 citations72

HITACHI JOHNSON CONTROLS AIR CONDITIONING INC

1 patent
US10584744B2Mar 10, 2020

Refrigerant compressor with supporting bearing insulation

HITACHI JOHNSON CONTROLS AIR CONDITIONING INC2 citations65

HASEGAWA SHUJI

1 patent
US8888476B2Nov 18, 2014

Horizontal scroll compressor

HASEGAWA SHUJI2 citations58

TSUCHIYA TAKESHI

1 patent
US8241021B2Aug 14, 2012

Displacement type compressor having a self-start synchronous motor and start load reducing means

TSUCHIYA TAKESHI0 citations46

IMADA KOUICHI

1 patent
US9091266B2Jul 28, 2015

Scroll compressor having a back pressure control valve for opening and closing a communication path in a stationary scroll

IMADA KOUICHI1 citations41

CHIKANO MASATSUGU

1 patent
US8747086B2Jun 10, 2014

Scroll compressor

CHIKANO MASATSUGU0 citations34

YANAGASE YUICHI

1 patent
US8888475B2Nov 18, 2014

Scroll compressor with oil supply across a sealing part

YANAGASE YUICHI0 citations32