Inventor · disambiguated record
Changzhi Yao
Also filed as: YAO CHANGZHI
2 granted patents·1 pending application·4 citations·filing 2015–2015
46Inventor score
Top patents by PatentIndex Score
3 records- 0140US9628915B2Handheld portable high fidelity music playback with streaming and WiFi routing abilityYAO CHANGZHI·Filed 2015·Granted Apr 18, 2017·1 cites·30 claims
- 0233USD763222SIn-ear headphone device having a headphone housing made of titanium alloyTANG XIUQUAN·Filed 2015·Granted Aug 9, 2016·3 cites·1 claims
- 0317US2016196102A1System for handheld portable high fidelity music playback with streaming and wifi routing abilityYAO CHANGZHI·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →