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Yasushi Izunaga
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Shimizu, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Sealed scroll compressor for helium
Patent number
9,353,751
Issue date
May 31, 2016
Hitachi Appliances, Inc.
Masao Shiibayashi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Hermetically sealed scroll compressor
Patent number
9,239,053
Issue date
Jan 19, 2016
Hitachi Appliances, Inc.
Masao Shiibayashi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Hermetically sealed scroll compressor
Patent number
8,435,014
Issue date
May 7, 2013
Hitachi Appliances, Inc.
Masao Shiibayashi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Horizontal type scroll compressor including a first space and a sec...
Patent number
7,628,593
Issue date
Dec 8, 2009
Hitachi Appliances, Inc.
Takao Mizuno
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Scroll compressor suitable for a low operating pressure ratio
Patent number
6,478,557
Issue date
Nov 12, 2002
Hitachi, Ltd.
Masao Shiibayashi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Scroll type compressor and refrigeration cycle using the same
Patent number
5,211,031
Issue date
May 18, 1993
Hitachi, Ltd.
Akira Murayama
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Mechanism for prevention of burning of bearing portions in a hermet...
Patent number
4,889,471
Issue date
Dec 26, 1989
Hatachi, Ltd.
Yasushi Izunaga
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
Sealed Scroll Compressor for Helium
Publication number
20140119971
Publication date
May 1, 2014
Hitachi Appliances, Inc.
Masao SHIIBAYASHI
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Sealed Scroll Compressor for Helium
Publication number
20120294748
Publication date
Nov 22, 2012
Hitachi Appliances, Inc.
Masao Shiibayashi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
HERMETICALLY SEALED SCROLL COMPRESSOR
Publication number
20120156068
Publication date
Jun 21, 2012
Masao Shiibayashi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
HERMETICALLY SEALED SCROLL COMPRESSOR
Publication number
20100129240
Publication date
May 27, 2010
Hitachi Appliances, Inc.
Masao Shiibayashi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
HORIZONTAL TYPE SCROLL COMPRESSOR
Publication number
20080008614
Publication date
Jan 10, 2008
Takao Mizuno
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Scroll compressor suitable for a low operating pressure ratio
Publication number
20020051719
Publication date
May 2, 2002
Masao Shiibayashi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...