Assignee
YU HSIANG-CHIH
TW·3 granted patents·2 citations·filing 2011–2012
Technology mixH04R3
Top patents by PatentIndex Score
3 records- 0156US8548187B2Multi-channel sound producing structure for headphonesYU HSIANG-CHIH·Filed 2011·Granted Oct 1, 2013·2 cites·3 claims
- 0238US8494188B2Piezoelectric ceramic loudspeaker headphone structureYU HSIANG-CHIH·Filed 2011·Granted Jul 23, 2013·0 cites·7 claims
- 0337US8824702B2Reverse-phase modulating structure of piezoelectric ceramic speakerYU HSIANG-CHIH·Filed 2012·Granted Sep 2, 2014·0 cites·8 claims
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