Assignee
CHANG KANG-CHAO
0 granted patents·3 pending applications·0 citations·filing 2010–2011
Top patents by PatentIndex Score
3 records- 0130US2012201411A1Audio pick-up device of a condenser microphoneCHANG KANG-CHAO·Filed 2011·Application pending·0 cites
- 0228US2011235828A1Microphone and a switch locking device thereofCHANG KANG-CHAO·Filed 2010·Application pending·0 cites
- 0324US2012321106A1Condenser microphoneCHANG KANG-CHAO·Filed 2011·Application pending·0 cites
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