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Power semiconductor device
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Patent number 8,901,651
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Issue date Dec 2, 2014
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KEC Corporation
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Tae Wan Kim
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H01 - BASIC ELECTRIC ELEMENTS
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DC-AC converter
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Patent number 7,426,124
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Issue date Sep 16, 2008
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KEC Corporation
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Seung Kon Kong
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Gate pulse modulator
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Patent number 7,138,990
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Issue date Nov 21, 2006
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KEC Corporation
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Eun Ji Kim
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Rectifier diode device
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Patent number 7,030,476
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Issue date Apr 18, 2006
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KEC Corporation
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Jung Eon Park
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H01 - BASIC ELECTRIC ELEMENTS
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76503865 - KEC MOBILE APPLICATIONS
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Serial number 76503865
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Registration number 2836158
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Filing date Apr 4, 2003
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KEC Corporation
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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76976459 - KEC
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Serial number 76976459
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Filing date Feb 11, 2002
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KEC Corporation
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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76369465 - KEC
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Serial number 76369465
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Registration number 2760012
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Filing date Feb 11, 2002
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KEC Corporation
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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75781568 - I-PAGER CASTER
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Serial number 75781568
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Filing date Aug 23, 1999
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Korea Electronics Corporation, Ltd.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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75781502 - I-PAGER ACE
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Serial number 75781502
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Filing date Aug 23, 1999
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Korea Electronics Corporation, Ltd.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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75781675 - I-PAGER SELECT II
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Serial number 75781675
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Filing date Aug 23, 1999
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Korea Electronics Corporation, Ltd.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments