Qiuming Wei

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Chengdu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Multifunctional laser diode driving circuit, a module comprising th...
- Patent number 9,843,383
- Issue date Dec 12, 2017
- Source Photonics (Chengdu) Co., Ltd.
- Haijun Yao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
DC level detection circuit between high speed signal line connectin...
- Patent number 9,638,736
- Issue date May 2, 2017
- Source Photonics (Chengdu) Co., Ltd.
- Shengzhi Cai
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
A Multifunctional Laser Diode Driving Circuit, A Module Comprising...
- Publication number 20170012701
- Publication date Jan 12, 2017
- SOURCE PHOTONICS (CHENGDU) CO., LTD.
- Haijun YAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DC Level Detection Circuit Between High Speed Signal Line Connectin...
- Publication number 20160146862
- Publication date May 26, 2016
- SOURCE PHOTONICS (CHENGDU) CO., LTD.
- Shengzhi CAI
- G01 - MEASURING TESTING
Information Patent Application
Optical transceiver module having improved printed circuit board
- Publication number 20050259994
- Publication date Nov 24, 2005
- Chao Zhang
- G02 - OPTICS