Inventor · disambiguated record
Tzu Chun Chih
Also filed as: CHIH TZU CHUN
2 granted patents·1 pending application·6 citations·filing 2020–2020
47Inventor score
Files withCHENG UEI PREC IND CO LTD3
Top patents by PatentIndex Score
3 records- 0165USD944778SWireless earbudCHENG UEI PREC IND CO LTD·Filed 2020·Granted Mar 1, 2022·6 cites·1 claims
- 0253US11146881B2Wireless blue-tooth earphoneCHENG UEI PREC IND CO LTD·Filed 2020·Granted Oct 12, 2021·0 cites·20 claims
- 0348US2021219619A1Portable electronic device with dual channelsCHENG UEI PREC IND CO LTD·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →