Inventor · disambiguated record
Guozhong Du
Also filed as: DU GUOZHONG
2 granted patents·3 citations·filing 2015–2015
37Inventor score
Files withShenzhen grandsun electronic co ltd2
Top patents by PatentIndex Score
2 records- 0171US9728204B2Method and device for drawing a noise mapShenzhen grandsun electronic co ltd·Filed 2015·Granted Aug 8, 2017·3 cites·12 claims
- 0231US10283104B2Method and apparatus for controlling earphone noise reductionShenzhen grandsun electronic co ltd·Filed 2015·Granted May 7, 2019·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →