YU-JIE RONG

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Zhengzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Waterproof button and electronic device using same
- Patent number 9,859,072
- Issue date Jan 2, 2018
- HONGFUJIN PRECISION ELECTRONICS (ZHENGZHOU) CO., LTD.
- Yu-Jie Rong
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
WATERPROOF BUTTON AND ELECTRONIC DEVICE USING SAME
- Publication number 20170287656
- Publication date Oct 5, 2017
- HONGFUJIN PRECISION ELECTRONICS (ZHENGZHOU) CO., LTD.
- YU-JIE RONG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NOSE PAD ASSEMBLY AND EYEGLASSES WITH THE SAME
- Publication number 20170184873
- Publication date Jun 29, 2017
- HONGFUJIN PRECISION ELECTRONICS (ZHENGZHOU) CO., LTD.
- YU-JIE RONG
- G02 - OPTICS