Na Feng

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Telescoping unit in a computing device
- Patent number 10,317,958
- Issue date Jun 11, 2019
- Cisco Technology, Inc.
- Le Gao
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Chessboard shaped LED lamp
- Patent number D714488
- Issue date Sep 30, 2014
- Shanghai Sansi Electronics Engineering Co., Ltd
- Bishou Chen
- D26 - Lighting

Patents Applicationslast 30 patents

Information Patent Application
Centralized Photosensitive LED Streetlight Control System
- Publication number 20140239819
- Publication date Aug 28, 2014
- Shanghai Sansi Electronics Engineering Co., Ltd
- Yinghua Wang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LED lighting device with high color rendering index
- Publication number 20130329418
- Publication date Dec 12, 2013
- Shanghai Sansi Electronics Engineering Co., Ltd.
- Bishou Chen
- F21 - LIGHTING