Inventor · disambiguated record
Ruizhang Chang
Also filed as: CHANG RUIZHANG
5 granted patents·8 citations·filing 2021–2023
71Inventor score
Top patents by PatentIndex Score
5 records- 0163USD1058528SWireless audio player for vehicleSHENZHEN JAMES AUDIO TECH CO LTD·Filed 2023·Granted Jan 21, 2025·3 cites·1 claims
- 0256USD1010647SAudio adapterSHENZHEN JIEMEISI IND CO LTD·Filed 2021·Granted Jan 9, 2024·2 cites·1 claims
- 0349USD1036408SWireless vehicle playerSHENZHEN JIEMEISI IND CO LTD·Filed 2022·Granted Jul 23, 2024·1 cites·1 claims
- 0449USD1036409SWireless vehicle playerSHENZHEN JAMES AUDIO TECH CO LTD·Filed 2023·Granted Jul 23, 2024·1 cites·1 claims
- 0549USD1036410SWireless vehicle playerSHENZHEN JAMES AUDIO TECH CO LTD·Filed 2023·Granted Jul 23, 2024·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →