Jinyan CHENG

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 10,139,657
- Issue date Nov 27, 2018
- BOE TECHNOLOGY GROUP CO., LTD
- Xianfeng Zheng
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
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- Publication number 20160144394
- Publication date May 26, 2016
- BOE TECHNOLOGY GROUP CO., LTD.
- Xianfeng ZHENG
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...