Inventor · disambiguated record
Yefeng Cai
Also filed as: CAI YEFENG
2 granted patents·2 pending applications·1 citations·filing 2014–2022
29Inventor score
Top patents by PatentIndex Score
4 records- 0152US9942682B2Implementation method and device of multi-bit modulation-based digital speaker systemSUZHOU SONAVOX ELECTRONICS CO LTD·Filed 2014·Granted Apr 10, 2018·1 cites·18 claims
- 0239US2025087196A1Active noise reduction method and device for vehicle and storage mediumSUZHOU RAREVOX ELECTRONICS CO LTD·Filed 2022·Application pending·0 cites
- 0339US2025061880A1Vehicle road noise control method and system based on active noise cancellation, electronic equipment and storage mediumSUZHOU RAREVOX ELECTRONICS CO LTD·Filed 2022·Application pending·0 cites
- 0435US9992604B2Error model-based multi-zone sound reproduction method and deviceSUZHOU SONAVOX ELECTRONICS CO LTD·Filed 2014·Granted Jun 5, 2018·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →