Jianping Cao

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Illumination standard calculation method and system for a tunnel en...
- Patent number 10,452,929
- Issue date Oct 22, 2019
- BEIJING UNIVERSITY OF TECHNOLOGY (CN)
- Jiangbi Hu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Grating external-cavity semiconductor laser and quasi-synchronous t...
- Patent number 9,036,668
- Issue date May 19, 2015
- National Institute of Metrology P.R. China
- Erjun Zang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Grating external-cavity semiconductor laser and quasi-synchronous m...
- Patent number 8,953,649
- Issue date Feb 10, 2015
- National Institute of Metrology P.R. China
- Erjun Zang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Grating external-cavity laser and quasi-synchronous tuning method t...
- Patent number 8,681,825
- Issue date Mar 25, 2014
- National Institute of Metrology Peoples Republic of China
- Shaokai Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
F-P cavity and laser using said F-P cavity
- Patent number 8,284,813
- Issue date Oct 9, 2012
- National Istitute of Metrology P.R. China
- Erjun Zang
- G02 - OPTICS
Information Patent Grant
Monolithic folded F-P cavity and semiconductor laser using the same
- Patent number 8,107,509
- Issue date Jan 31, 2012
- National Institute of Metrology P.R. China
- Erjun Zang
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
AN ILLUMINATION STANDARD CALCULATION METHOD AND SYSTEM FOR A TUNNEL...
- Publication number 20180307918
- Publication date Oct 25, 2018
- Beijing University Of Technology (CN)
- Jiangbi HU
- B60 - VEHICLES IN GENERAL
Information Patent Application
GRATING EXTERNAL-CAVITY SEMICONDUCTOR LASER AND QUASI-SYNCHRONOUS M...
- Publication number 20140126589
- Publication date May 8, 2014
- National Institute of Metrology P.R. China
- Erjun ZANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Grating External-Cavity Laser and Quasi-Synchronous Tuning Method T...
- Publication number 20120014399
- Publication date Jan 19, 2012
- Shaokai WANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
F-P CAVITY AND LASER USING SAID F-P CAVITY
- Publication number 20110280271
- Publication date Nov 17, 2011
- Erjun Zang
- G02 - OPTICS
Information Patent Application
GRATING EXTERNAL-CAVITY SEMICONDUCTOR LASER AND QUASI-SYNCHRONOUS T...
- Publication number 20110261843
- Publication date Oct 27, 2011
- Erjun Zang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MONOLITHIC FOLDED F-P CAVITY AND SEMICONDUCTOR LASER USING THE SAME
- Publication number 20110032961
- Publication date Feb 10, 2011
- Erjun Zang
- G02 - OPTICS