Inventor
ZHENG RONGJIN
CN15 patents
⚠️ This page may combine multiple inventors who share the name “ZHENG RONGJIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
THUMBS UP INNOVATIONS TECH CO LTD
7 patentsUSD942643SFeb 1, 2022
Sterilizer
THUMBS UP INNOVATIONS TECH CO LTD28 citations94
USD963345SSep 13, 2022
Electric toothbrush
THUMBS UP INNOVATIONS TECH CO LTD40 citations93
USD947539SApr 5, 2022
Toothbrush head
THUMBS UP INNOVATIONS TECH CO LTD35 citations93
USD957055SJul 5, 2022
Hot air comb
THUMBS UP INNOVATIONS TECH CO LTD31 citations92
USD966607SOct 11, 2022
Curling iron
THUMBS UP INNOVATIONS TECH CO LTD7 citations85
USD966501SOct 11, 2022
Electric toothbrush head
THUMBS UP INNOVATIONS TECH CO LTD4 citations73
USD949551SApr 26, 2022
Children toothbrush box
THUMBS UP INNOVATIONS TECH CO LTD2 citations73
THUMBS UP CROSS BORDER E COMMERCE CO LTD
4 patentsUSD945774SMar 15, 2022
Electric toothbrush
THUMBS UP CROSS BORDER E COMMERCE CO LTD13 citations85
USD919176SMay 11, 2021
Hair straightener
THUMBS UP CROSS BORDER E COMMERCE CO LTD9 citations85
USD910307SFeb 16, 2021
Toothbrush case
THUMBS UP CROSS BORDER E COMMERCE CO LTD1 citations62
US11779443B2Oct 10, 2023
Rotation type electric toothbrush
THUMBS UP CROSS BORDER E COMMERCE CO LTD0 citations51