Stuart Douglas Walker

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Colchester Essex, GB

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus relating to secure communication
- Patent number 8,184,972
- Issue date May 22, 2012
- Fujitsu Limited
- Michael Charles Parker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Compensator for polarization-mode dispersion compensation
- Patent number 7,218,800
- Issue date May 15, 2007
- Fujitsu Limited
- Michael C. Parker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fresnel zoned microstructured fibre and lens
- Patent number 7,110,649
- Issue date Sep 19, 2006
- Fujitsu Limited
- Makiko Hisatomi
- G02 - OPTICS
Information Patent Grant
Compensator for compensation of higher-order chromatic dispersion
- Patent number 6,952,512
- Issue date Oct 4, 2005
- Fujitsu Limited
- Michael C. Parker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Laser drive circuit
- Patent number 5,970,078
- Issue date Oct 19, 1999
- British Telecommunications public limited company
- Stuart Douglas Walker
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Bias controller and method
- Patent number 5,889,802
- Issue date Mar 30, 1999
- Hewlett-Packard Company
- Stuart Douglas Walker
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Measurement of characteristics of broadcast optical networks
- Patent number 5,157,652
- Issue date Oct 20, 1992
- Hewlett-Packard Company
- Stuart D. Walker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Device for delaying an optical signal
- Publication number 20090116785
- Publication date May 7, 2009
- FUJITSU LIMITED
- Michael Charles Parker
- G02 - OPTICS
Information Patent Application
Method and apparatus relating to secure communication
- Publication number 20090028332
- Publication date Jan 29, 2009
- FUJITSU LIMITED
- Michael Charles Parker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical waveguide
- Publication number 20080101754
- Publication date May 1, 2008
- Michael Charles Parker
- G02 - OPTICS
Information Patent Application
Fresnel zoned microstructured fibre and lens
- Publication number 20050031262
- Publication date Feb 10, 2005
- Makiko Hisatomi
- G02 - OPTICS
Information Patent Application
Compensator for polarisation-mode dispersion compensation
- Publication number 20050002594
- Publication date Jan 6, 2005
- Michael C. Parker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Compensator for compensation of higher-order chromatic dispersion
- Publication number 20040096217
- Publication date May 20, 2004
- Michael C. Parker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE