Haifeng Chen

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Shenzhen, CN

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Patents Applicationslast 30 patents

Information Patent Application
COLLIMATION FIBER ADAPTER
- Publication number 20240094471
- Publication date Mar 21, 2024
- Shphotonics Ltd
- Haifeng CHEN
- G02 - OPTICS
Information Patent Application
ELECTROCHROMIC DEVICE AND ELECTRONIC DEVICE
- Publication number 20230221608
- Publication date Jul 13, 2023
- Shenzhen Guangyi Tech Co., Ltd.
- Jiacheng LI
- G02 - OPTICS
Information Patent Application
Method and system for delivering controlled content in wireless cha...
- Publication number 20200144844
- Publication date May 7, 2020
- Haifeng Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Charging sockets based on Internet of things (IoT)
- Publication number 20190190286
- Publication date Jun 20, 2019
- Haifeng Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Glass Coating System
- Publication number 20150136598
- Publication date May 21, 2015
- CSG HOLDING CO., LTD.
- Haifeng Chen
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Glass Coating System
- Publication number 20150136597
- Publication date May 21, 2015
- CSG HOLDING CO., LTD.
- Haifeng Chen
- H01 - BASIC ELECTRIC ELEMENTS