Wenjuan Wang

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Gas chromatography—inverse gas chromatography combined analysis device
- Patent number 8,943,872
- Issue date Feb 3, 2015
- Shanghai Tobacco Group Co., Ltd.
- Baizhan Liu
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR DYNAMICALLY SWITCHING KEYBOARD BACKGROUND
- Publication number 20180373424
- Publication date Dec 27, 2018
- SHANGHAI CHULE (COOTEK) INFORMATION TECHNOLOGY CO., LTD.
- Jiannan XIONG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
GAS CHROMATOGRAPHY - INVERSE GAS CHROMATOGRAPHY COMBINED ANALYSIS D...
- Publication number 20130192340
- Publication date Aug 1, 2013
- SHANGHAI TOBACCO GROUP CO., LTD.
- Baizhan Liu
- G01 - MEASURING TESTING