Inventor
Zheng Guanzheng
CN10 patents
Patents
10 patentsUSD999360SSep 19, 2023
Portable fan
SHENZHEN JISU TECH CO LTD54 citations97
USD999361SSep 19, 2023
Portable fan
SHENZHEN JISU TECH CO LTD49 citations97
US11754080B2Sep 12, 2023
Neck fan
SHENZHEN JISU TECH CO LTD5 citations84
USD1075278SMay 20, 2025
Umbrella handle assembly
SHENZHEN JISU TECH CO LTD4 citations72
USD1116067SMar 3, 2026
Handheld fan
SHENZHEN JISU TECH CO LTD0 citations62
USD1114234SFeb 17, 2026
Handheld fan
SHENZHEN JISU TECH CO LTD0 citations62
US12486852B2Dec 2, 2025
Centrifugal fan, neck fan, and vortex shell assembly
SHENZHEN JISU TECH CO LTD0 citations61
US12480508B2Nov 25, 2025
Centrifugal fan, neck fan, and vortex shell assembly
SHENZHEN JISU TECH CO LTD0 citations61
US12480509B2Nov 25, 2025
Neck fan
SHENZHEN JISU TECH CO LTD0 citations61
US12523231B2Jan 13, 2026
Portable fan, drive circuit, handheld fan, and neck fan
SHENZHEN JISU TECH CO LTD0 citations45