Qingrong Han

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Wuhan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Methods for manufacturing optical fiber preform and methods for man...
- Patent number 9,086,524
- Issue date Jul 21, 2015
- Yangtze Optical Fibre and Cable Joint Stock Limited Company
- Chen Yang
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Single-mode fiber and production method thereof
- Patent number 8,200,057
- Issue date Jun 12, 2012
- Yangtze Optical Fibre and Cable Company, Ltd.
- Qingrong Han
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Multi-mode bending-resistant fiber and production method thereof
- Patent number 8,184,936
- Issue date May 22, 2012
- Yangtze Optical Fibre and Cable Company, Ltd.
- Fanghai Zhang
- G02 - OPTICS
Information Patent Grant
Dispersion-shifted single-mode fiber having low dispersion slope fo...
- Patent number 6,952,518
- Issue date Oct 4, 2005
- Yangtze Optical Fibre and Cable Co. Ltd.
- Shuqiang Zhang
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
METHODS FOR MANUFACTURING OPTICAL FIBER PREFORM AND METHODS FOR MAN...
- Publication number 20120324958
- Publication date Dec 27, 2012
- Chen YANG
- G02 - OPTICS
Information Patent Application
FIBER PREFORM AND METHOD FOR MANUFACTURING THEREOF
- Publication number 20120087625
- Publication date Apr 12, 2012
- Qingrong HAN
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
SINGLE-MODE FIBER AND PRODUCTION METHOD THEREOF
- Publication number 20110058780
- Publication date Mar 10, 2011
- Qingrong HAN
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
MULTI-MODE BENDING-RESISTANT FIBER AND PRODUCTION METHOD THEREOF
- Publication number 20110044596
- Publication date Feb 24, 2011
- Fanghai ZHANG
- G02 - OPTICS
Information Patent Application
Method of manufacture of low water peak single mode optical fiber
- Publication number 20050000253
- Publication date Jan 6, 2005
- Kang Xie
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Dispersion-shifted single-mode fiber having low dispersion slope fo...
- Publication number 20040146261
- Publication date Jul 29, 2004
- Shuqiang Zhang
- G02 - OPTICS