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Tsutayoshi Narita
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Omihachiman, JP
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last 30 patents
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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...