Inventor · disambiguated record
Ralph Johnson
Also filed as: JOHNSON III RALPH J · JOHNSON RALPH · JOHNSON RALPH J
11 granted patents·1 pending application·343 citations·filing 1995–2014
91Inventor score
Top patents by PatentIndex Score
12 records- 0197US7588359B2LED lamp with direct optical coupling in axial arrangementOSRAM SYLVANIA INC·Filed 2006·Granted Sep 15, 2009·100 cites·5 claims
- 0293US7237927B2Light emitting diode lamp with conically focused light guidesOSRAM SYLVANIA INC·Filed 2005·Granted Jul 3, 2007·44 cites·9 claims
- 0393US5702179ADischarge lamp having light-transmissive conductive coating for RF containment and heatingOSRAM SYLVANIA INC·Filed 1995·Granted Dec 30, 1997·94 cites·34 claims
- 0489US7731402B2LED headlamp systemOSRAM SYLVANIA INC·Filed 2006·Granted Jun 8, 2010·24 cites·3 claims
- 0584US7618171B2Light emitting diode module for automotive headlampOSRAM SYLVANIA INC·Filed 2005·Granted Nov 17, 2009·16 cites·3 claims
- 0675US7166955B2Multi-conductor LED bulb assemblyOSRAM SYLVANIA INC·Filed 2004·Granted Jan 23, 2007·22 cites·9 claims
- 0773US8104939B2LED headlamp systemCOUSHAINE CHARLES M·Filed 2006·Granted Jan 31, 2012·11 cites·18 claims
- 0867US7090386B2High density LED arrayOSRAM SYLVANIA INC·Filed 2004·Granted Aug 15, 2006·12 cites·3 claims
- 0965US7249877B2Led lamp bulb assembly and reflector systemOSRAM SYLVANIA INC·Filed 2004·Granted Jul 31, 2007·20 cites·14 claims
- 1051US9621047B2Systems and methods for measuring power system current using OR-ing MOSFETsDELL PRODUCTS LP·Filed 2014·Granted Apr 11, 2017·0 cites·20 claims
- 1143US7795632B2Light emitting diode with direct view opticOSRAM SYLVANIA INC·Filed 2006·Granted Sep 14, 2010·0 cites·5 claims
- 1243US2006221613A1Virtual point light sourceCOUSHAINE CHARLES M·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →