Inventor · disambiguated record
Changhai Liao
Also filed as: Liao Changhai
1 granted patent·2 pending applications·0 citations·filing 2019–2024
8Inventor score
Top patents by PatentIndex Score
3 records- 0150US11841157B2Control method and apparatus for controller, and storage medium and controllerGREE ELECTRIC APPLIANCES INC ZHUHAI·Filed 2019·Granted Dec 12, 2023·0 cites·18 claims
- 0248US2024188746A1Opening and closing device for curtains and system based on the sameWOAN TECH SHENZHEN CO LTD·Filed 2024·Application pending·0 cites
- 0335US2022265076A1Opening and closing device for curtains and system based on the sameWOAN TECH SHENZHEN CO LTD·Filed 2019·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →