Yongqiang Qiu

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San Rafael, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and methods for creating a vacuum in a portable mass spec...
- Patent number 8,829,425
- Issue date Sep 9, 2014
- BaySpec, Inc.
- William (Wei) Yang
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and Methods for an Atmospheric Sampling Inlet for a Porta...
- Publication number 20180033601
- Publication date Feb 1, 2018
- BaySpec, Inc.
- Yongqiang Qiu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Apparatus and Methods for an Atmospheric Sampling Inlet for a Porta...
- Publication number 20160056029
- Publication date Feb 25, 2016
- BaySpec, Inc.
- Yongqiang Qiu
- H01 - BASIC ELECTRIC ELEMENTS