Assignee
YAO RONGGUO
CN·2 granted patents·13 citations·filing 2009–2009
Top patents by PatentIndex Score
2 records- 0178US8553921B2Miniature microphone, protection frame thereof and method for manufacturing the sameYAO RONGGUO·Filed 2009·Granted Oct 8, 2013·13 cites·8 claims
- 0246US8654996B2Spacer for a capacitive microphone and capacitive microphone with the sameYAO RONGGUO·Filed 2009·Granted Feb 18, 2014·0 cites·9 claims
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