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Brushless DC motor drive apparatus
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Patent number 5,780,983
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Issue date Jul 14, 1998
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Seiko Epson Corporation
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Osamu Shinkawa
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Motor control apparatus
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Patent number 5,703,768
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Issue date Dec 30, 1997
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Seikon Epson Corporation
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Shigeo Kanna
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Compressor start-up controller
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Patent number 5,518,373
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Issue date May 21, 1996
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Zexel Corporation
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Nobukazu Takagi
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Control unit for activating compressor
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Patent number 5,253,481
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Issue date Oct 19, 1993
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Zexel Corporation
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Nobukazu Takagi
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...