WENZHOUJIAYI INSTRUMENTS Co. Ltd.

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Wenzhou, Zhejiang Province, CN

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Patents Grantslast 30 patents

Information Patent Grant
Standard light source color matching observation box
- Patent number D912882
- Issue date Mar 9, 2021
- WENZHOUJIAYI INSTRUMENTS CO. LTD
- Jiayi Qiu
- D26 - Lighting
Information Patent Grant
Standard light source color matching observation box
- Patent number 10,222,264
- Issue date Mar 5, 2019
- WENZHOUJIAYI INSTRUMENTS CO., LTD
- Jiayi Qiu
- G01 - MEASURING TESTING
Information Patent Grant
Method for performing color measurement using standard light source...
- Patent number 10,215,640
- Issue date Feb 26, 2019
- WENZHOUJIAYI INSTRUMENTS CO., LTD
- Jiayi Qiu
- G01 - MEASURING TESTING

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Patents Applicationslast 30 patents

Information Patent Application
STANDARD LIGHT SOURCE COLOR MATCHING OBSERVATION BOX
- Publication number 20180120161
- Publication date May 3, 2018
- WENZHOUJIAYI INSTRUMENTS Co. Ltd.
- Jiayi QIU
- G01 - MEASURING TESTING
Information Patent Application
METHOD FOR PERFORMING COLOR MEASUREMENT USING STANDARD LIGHT SOURCE...
- Publication number 20180120162
- Publication date May 3, 2018
- WENZHOUJIAYI INSTRUMENTS Co. Ltd.
- Jiayi QIU
- G01 - MEASURING TESTING