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Hiroshi Matsunaga
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Kusatsu-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Hermetic rotary compressor
Patent number
7,438,541
Issue date
Oct 21, 2008
Matsushita Electric Industrial Co., Ltd.
Toru Aya
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Hermetic rotary compressor and refrigerating cycle device using the...
Patent number
7,399,170
Issue date
Jul 15, 2008
Matsushita Electric Industrial Co., Ltd.
Toru Aya
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Hermetic motor-driven compressor
Patent number
6,680,550
Issue date
Jan 20, 2004
Matsushita Electric Industrial Co., Ltd.
Hiroshi Matsunaga
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Rotary compressor having a protective coating which is finish ground
Patent number
5,951,273
Issue date
Sep 14, 1999
Matsushita Electric Industrial Co., Ltd.
Hiroshi Matsunaga
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Hermetic type compressor having an oil feed part
Patent number
5,842,846
Issue date
Dec 1, 1998
Matsushita Electric Industrial Co., Ltd.
Hirotsugu Fukuoka
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Compressor for a refrigeration machine having a thrust bearing
Patent number
5,695,326
Issue date
Dec 9, 1997
Matsushita Electric Industrial Co., Ltd.
Hideto Oka
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Hermetically sealed rotary compressor having an oil supply passage...
Patent number
5,685,703
Issue date
Nov 11, 1997
Matsushita Electric Industrial Co., Ltd.
Hirotsugu Fukuoka
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Closed compressor
Patent number
5,607,291
Issue date
Mar 4, 1997
Matsushita Electric Industrial Co., Ltd.
Keisuke Morita
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Hermetically sealed rotary compressor having an oil supply capillar...
Patent number
5,545,021
Issue date
Aug 13, 1996
Matsushita Electric Industrial Co., Ltd.
Hirotsugu Fukuoka
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Closed rotary compressor
Patent number
5,518,381
Issue date
May 21, 1996
Matsushita Electric Industrial Co., Ltd.
Hiroshi Matsunaga
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
HERMETIC ROTARY COMPRESSOR
Publication number
20080145256
Publication date
Jun 19, 2008
Matsushita Electric Industrial Co., Ltd.
Toru Aya
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Hermetic rotary compressor and refrigerating cycle device using the...
Publication number
20060225456
Publication date
Oct 12, 2006
Toru Aya
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Hermetic rotary compressor
Publication number
20060216185
Publication date
Sep 28, 2006
Toru Aya
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Hermetic motor-driven compressor
Publication number
20020109420
Publication date
Aug 15, 2002
Hiroshi Matsunaga
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER