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11677366782020-09-152041-12-2800Samsung Electro-Mechanics Co., Ltd.;  Power amplifier system
11876494852020-12-292042-04-2300Samsung Electro-Mechanics Co., Ltd.;  Protection circuit of power amplifier and power amplifier including the same
11791783872020-09-142041-05-1500Samsung Electro-Mechanics Co., Ltd.;  Power amplifier system
10742045892016-05-032038-07-3100LG Electronics Inc;  Charging device
10806319952015-12-302037-06-0710LG Electronics Inc.; LG Electronics Inc;  Handle for cleaner and device having improved grip feeling
11005281952016-05-032037-05-0300LG Electronics Inc.;  Charging device
9275224962013-10-182034-07-2300ARTELLING INC ;  Apparatus and method for improving detection performance of intrusion detection system