Assignee
OBO PRO 2 INC
TW·5 granted patents·1 pending application·22 citations·filing 2004–2019
Top patents by PatentIndex Score
6 records- 0181US9571933B2Multi-channel headphoneOBO PRO 2 INC·Filed 2014·Granted Feb 14, 2017·8 cites·3 claims
- 0272US9113259B2Tunable multichannel headphone and method for assembling the sameOBO PRO 2 INC·Filed 2012·Granted Aug 18, 2015·5 cites·14 claims
- 0369US10834492B2Modularized wireless earphoneOBO PRO 2 INC·Filed 2019·Granted Nov 10, 2020·2 cites·12 claims
- 0469US7854373B2Packing box for headphonesOBO PRO 2 INC·Filed 2007·Granted Dec 21, 2010·6 cites·11 claims
- 0562US9913038B2Multi-channel headphoneOBO PRO 2 INC·Filed 2016·Granted Mar 6, 2018·1 cites·4 claims
- 0638US2006083397A1Wireless headphone with a self-actuated switchOBO PRO 2 INC·Filed 2004·Application pending·0 cites
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