Inventor · disambiguated record

Cheung Choi Chan

Also filed as: CHAN CHEUNG CHOI

0 granted patents·2 pending applications·0 citations·filing 2020–2021

Technology areasE05B E05F

Files withGUANGDONG NIUNIU INTELLIGENT SPACE TECH CO LTD1 ZHAOQING CITY ZHISHENG DOOR CONTROL HARDWARE CO LTD1

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2 records

0121US2022162896A1Driving device for door opening and closingGUANGDONG NIUNIU INTELLIGENT SPACE TECH CO LTD·Filed 2021·Application pending·0 cites
0218US2021304536A1Door lock and door systemZHAOQING CITY ZHISHENG DOOR CONTROL HARDWARE CO LTD·Filed 2020·Application pending·0 cites

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →