Yongqian Liu

Follow

Person

Painted Post, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Optical amplifier with reduced non-linear signal impairments by opt...
- Patent number 6,643,057
- Issue date Nov 4, 2003
- Corning Incorporated
- Michael Vasilyev
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gain control and shaping of EDFAs via dual cavity gain control
- Patent number 6,421,170
- Issue date Jul 16, 2002
- Corning Incorporated
- Mark F. Krol
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Long band optical amplifier
- Patent number 6,421,172
- Issue date Jul 16, 2002
- Corning Incorporated
- Felton A. Flood
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Long band optical amplifier
- Patent number 6,381,063
- Issue date Apr 30, 2002
- Corning Incorporated
- Yongqian Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wavelength dependent phase delay device
- Patent number 6,351,586
- Issue date Feb 26, 2002
- Corning Incorporated
- Mark F Krol
- G02 - OPTICS
Information Patent Grant
Dynamically configurable spectral filter
- Patent number 6,275,623
- Issue date Aug 14, 2001
- Corning Incorporated
- Christopher P. Brophy
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical amplifier with reduced non-linear signal impairments by opt...
- Publication number 20020154389
- Publication date Oct 24, 2002
- Michael Vasilyev
- H01 - BASIC ELECTRIC ELEMENTS