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Inventor

TANG DAZHUAN

CN5 patents
⚠️ This page may combine multiple inventors who share the name “TANG DAZHUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HUIZHOU UPSPRING INTELLIGENT TECH CO LTD

3 patents
USD956569SJul 5, 2022

Cup holder

HUIZHOU UPSPRING INTELLIGENT TECH CO LTD0 citations54
US11239614B2Feb 1, 2022

Sofa USB socket

HUIZHOU UPSPRING INTELLIGENT TECH CO LTD0 citations54
US11819140B2Nov 21, 2023

Multifunctional cup holder and sofa

HUIZHOU UPSPRING INTELLIGENT TECH CO LTD0 citations53

MAN WAH INTELLIGENT TECH HUI ZHOU CO LTD

2 patents
US12451306B2Oct 21, 2025

Sofa and sofa switch

MAN WAH INTELLIGENT TECH HUI ZHOU CO LTD0 citations54
US12119731B2Oct 15, 2024

Linear actuator control circuit capable of achieving accurate positioning, and linear actuator

MAN WAH INTELLIGENT TECH HUI ZHOU CO LTD0 citations54