Assignee
CHUNG SEOK-WHAN
KR·4 granted patents·28 citations·filing 2007–2012
Top patents by PatentIndex Score
4 records- 0186US8858447B2Ultrasonic transducer and method of manufacturing the sameCHUNG SEOK-WHAN·Filed 2012·Granted Oct 14, 2014·7 cites·13 claims
- 0286US8280079B2Piezoelectric microspeaker and method of fabricating the sameCHUNG SEOK-WHAN·Filed 2009·Granted Oct 2, 2012·16 cites·5 claims
- 0376US8526642B2Piezoelectric micro speaker including weight attached to vibrating membrane and method of manufacturing the sameCHUNG SEOK-WHAN·Filed 2010·Granted Sep 3, 2013·5 cites·12 claims
- 0446US8557044B2Shadow mask, method of manufacturing the same and method of forming thin film using the sameCHUNG SEOK-WHAN·Filed 2007·Granted Oct 15, 2013·0 cites·14 claims
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