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Toshiharu Yasu
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Shiga, 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
Gear pump for use in an electrically-operated sealed compressor
Patent number
6,227,828
Issue date
May 8, 2001
Matsushita Electric Industrial Co., Ltd.
Yoshiharu Takeuchi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Gear pump for use in an electrically-operated sealed compressor
Patent number
6,116,877
Issue date
Sep 12, 2000
Matsushita Electric Industrial Co., Ltd.
Yoshiharu Takeuchi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Gear pump for use in an electrically-operated sealed compressor
Patent number
6,039,551
Issue date
Mar 21, 2000
Matsushita Electric Industrial Co., Ltd.
Yoshiharu Takeuchi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Hermetic electric scroll compressor having a lubricating passage in...
Patent number
5,931,650
Issue date
Aug 3, 1999
Matsushita Electric Industrial Co., Ltd.
Toshiharu Yasu
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Sealed-type scroll compressor and assembling method therefor
Patent number
5,704,122
Issue date
Jan 6, 1998
Matsushita Electric Industrial Co., Ltd.
Masahiro Tsubokawa
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Sealed-type scroll compressor with relatively shifted scrolls based...
Patent number
5,632,610
Issue date
May 27, 1997
Matsushita Electric Industrial Co., Ltd.
Masahiro Tsubokawa
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Hermetic scroll compressor having a pumped fluid motor cooling mean...
Patent number
5,591,018
Issue date
Jan 7, 1997
Matsushita Electric Industrial Co., Ltd.
Yoshiharu Takeuchi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Check valve device for scroll compressor
Patent number
5,451,148
Issue date
Sep 19, 1995
Matsushita Electric Industrial Co., Ltd.
Ryoichi Matsuzaki
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...