Ralph Johnson

Person

Bedford, NH, US

People

Patents Grantslast 30 patents

Information Patent Grant
LED headlamp system
- Patent number 8,104,939
- Issue date Jan 31, 2012
- Osram Sylvania Inc.
- Charles M. Coushaine
- F21 - LIGHTING
Information Patent Grant
Light emitting diode with direct view optic
- Patent number 7,795,632
- Issue date Sep 14, 2010
- Osram Sylvania Inc.
- Charles M. Coushaine
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
LED headlamp system
- Patent number 7,731,402
- Issue date Jun 8, 2010
- Osram Sylvania Inc.
- Thomas Tessnow
- F21 - LIGHTING
Information Patent Grant
Light emitting diode module for automotive headlamp
- Patent number 7,618,171
- Issue date Nov 17, 2009
- Osram Sylvania Inc.
- Thomas Tessnow
- F21 - LIGHTING
Information Patent Grant
LED lamp with direct optical coupling in axial arrangement
- Patent number 7,588,359
- Issue date Sep 15, 2009
- Osram Sylvania Inc.
- Charles M. Coushaine
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Led lamp bulb assembly and reflector system
- Patent number 7,249,877
- Issue date Jul 31, 2007
- Osram Sylvania Inc.
- Ralph J. Johnson
- F21 - LIGHTING
Information Patent Grant
Light emitting diode lamp with conically focused light guides
- Patent number 7,237,927
- Issue date Jul 3, 2007
- Osram Sylvania Inc.
- Charles Coushaine
- F21 - LIGHTING
Information Patent Grant
Multi-conductor LED bulb assembly
- Patent number 7,166,955
- Issue date Jan 23, 2007
- Osram Sylvania Inc.
- Charles M. Coushaine
- B60 - VEHICLES IN GENERAL
Information Patent Grant
High density LED array
- Patent number 7,090,386
- Issue date Aug 15, 2006
- Osram Sylvania Inc.
- Charles M. Coushaine
- F21 - LIGHTING
Information Patent Grant
Discharge lamp having light-transmissive conductive coating for RF...
- Patent number 5,702,179
- Issue date Dec 30, 1997
- Osram Sylvania, Inc.
- Steven C. Sidwell
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
LED headlamp system
- Publication number 20090213606
- Publication date Aug 27, 2009
- Osram Sylvania, Inc.
- Charles M. Coushaine
- F21 - LIGHTING
Information Patent Application
LED Headlamp System
- Publication number 20090034278
- Publication date Feb 5, 2009
- Osram Sylvania Inc.
- Thomas Tessnow
- F21 - LIGHTING
Information Patent Application
Light emitting diode with direct view optic
- Publication number 20070295978
- Publication date Dec 27, 2007
- Charles M. Coushaine
- G02 - OPTICS
Information Patent Application
LED lamp with direct optical coupling in axial arrangement
- Publication number 20070070645
- Publication date Mar 29, 2007
- Charles M. Coushaine
- B60 - VEHICLES IN GENERAL
Information Patent Application
Virtual point light source
- Publication number 20060221613
- Publication date Oct 5, 2006
- Charles M. Coushaine
- G02 - OPTICS
Information Patent Application
Light emitting diode module for automotive headlamp
- Publication number 20060087861
- Publication date Apr 27, 2006
- Thomas Tessnow
- G02 - OPTICS
Information Patent Application
LED lamp bulb assembly and reflector system
- Publication number 20060061988
- Publication date Mar 23, 2006
- Ralph J. Johnson
- F21 - LIGHTING
Information Patent Application
High density LED array
- Publication number 20050281025
- Publication date Dec 22, 2005
- Charles M. Coushaine
- G02 - OPTICS
Information Patent Application
Light emitting diode lamp with conically focused light guides
- Publication number 20050281048
- Publication date Dec 22, 2005
- Charles Coushaine
- G02 - OPTICS
Information Patent Application
Multi-conductor LED bulb assembly
- Publication number 20050067931
- Publication date Mar 31, 2005
- Charles M. Coushaine
- B60 - VEHICLES IN GENERAL

Ralph Johnson

Person

Patents Grantslast 30 patents

LED headlamp system

Light emitting diode with direct view optic

LED headlamp system

Light emitting diode module for automotive headlamp

LED lamp with direct optical coupling in axial arrangement

Led lamp bulb assembly and reflector system

Light emitting diode lamp with conically focused light guides

Multi-conductor LED bulb assembly

High density LED array

Discharge lamp having light-transmissive conductive coating for RF...

Patents Applicationslast 30 patents

LED headlamp system

LED Headlamp System

Light emitting diode with direct view optic

LED lamp with direct optical coupling in axial arrangement

Virtual point light source

Light emitting diode module for automotive headlamp

LED lamp bulb assembly and reflector system

High density LED array

Light emitting diode lamp with conically focused light guides

Multi-conductor LED bulb assembly