Inventor · disambiguated record
Jiujian Liu
Also filed as: Liu Jiujian
3 granted patents·0 citations·filing 2021–2022
37Inventor score
Technology areasH04R
Top patents by PatentIndex Score
3 records- 0144US12238474B2Speaker boxAAC TECHNOLOGIES PTE LTD·Filed 2022·Granted Feb 25, 2025·0 cites·10 claims
- 0242US12267658B2Multifunctional sounding deviceAAC TECH NANJING CO LTD·Filed 2022·Granted Apr 1, 2025·0 cites·9 claims
- 0334US11765513B2Dual magnetic circuits structure and sound deviceAAC MICROTECH CHANGZHOU CO LTD·Filed 2021·Granted Sep 19, 2023·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →