David B. Upham

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Sunnyvale, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Recovery and transmission of return-to-zero formatted data using no...
- Patent number RE41517
- Issue date Aug 17, 2010
- Nicholas Possley
- 341 - Coded data generation or conversion
Information Patent Grant
Recovery and transmission of return-to-zero formatted data using no...
- Patent number 6,624,766
- Issue date Sep 23, 2003
- Kestrel Solutions, Inc.
- Nicholas J. Possley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communications networks utilizing frequency division multip...
- Patent number 6,529,303
- Issue date Mar 4, 2003
- Kestrel Solutions, Inc.
- Michael W. Rowan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electrical add-drop multiplexing for optical communications network...
- Patent number 6,452,945
- Issue date Sep 17, 2002
- Kestrel Solutions, Inc.
- David B. Upham
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Optical communications networks utilizing frequency division multip...
- Publication number 20030210909
- Publication date Nov 13, 2003
- Michael W. Rowan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Variable rate high-speed input and output in optical communication...
- Publication number 20020039211
- Publication date Apr 4, 2002
- Tian Shen
- B82 - NANO-TECHNOLOGY
Information Patent Application
Control channel for an optical communications system utilizing freq...
- Publication number 20020024694
- Publication date Feb 28, 2002
- Laurence J. Newell
- B82 - NANO-TECHNOLOGY