Inventor · disambiguated record
David W. Johnston
Also filed as: JOHNSTON DAVID · JOHNSTON DAVID W · JOHNSTON DAVID WILLIAM
21 granted patents·4 pending applications·90 citations·filing 1987–2020
93Inventor score
Files withOSRAM SYLVANIA INC11OSRAM OPTO SEMICONDUCTORS GMBH5GTE PROD CORP2JOHNSTON DAVID W2BELL FRUIT GROUP LTD1
Top patents by PatentIndex Score
25 records- 0193US9240517B2Strain relief superlattices and optoelectronic devices including the sameJOHNSTON DAVID W·Filed 2014·Granted Jan 19, 2016·19 cites·19 claims
- 0280US7758049B2Roulette with hi/low betting areaBELL FRUIT GROUP LTD·Filed 2006·Granted Jul 20, 2010·9 cites·17 claims
- 0375US10221353B2Wavelength converting compositions, wavelength converters and devices including the sameOSRAM OPTO SEMICONDUCTORS GMBH·Filed 2015·Granted Mar 5, 2019·1 cites·26 claims
- 0475US7061612B2LED PolarimeterOSRAM SYLVANIA INC·Filed 2004·Granted Jun 13, 2006·17 cites·9 claims
- 0573US10472735B2Method of making a single crystal wavelength conversion element, single crystal wavelength conversion element, and light source containing sameOSRAM OPTO SEMICONDUCTORS GMBH·Filed 2016·Granted Nov 12, 2019·1 cites·13 claims
- 0667US10950760B2Two component glass body for tape casting phosphor in glass LED convertersOSRAM OPTO SEMICONDUCTORS GMBH·Filed 2019·Granted Mar 16, 2021·0 cites·11 claims
- 0767US4908546ALead-in wire for compact fluorescent lampsGTE PROD CORP·Filed 1988·Granted Mar 13, 1990·16 cites·18 claims
- 0864US6566814B2Induction sealed high pressure lamp bulbOSRAM SYLVANIA INC·Filed 2001·Granted May 20, 2003·6 cites·32 claims
- 0963US2022131050A1Two component glass body for tape casting phosphor in glass led convertersOSRAM OPTO SEMICONDUCTORS GMBH·Filed 2020·Application pending·0 cites
- 1061US9515235B2Silicone-grafted core-shell particles, polymer matrix, and LED containing sameOSRAM SYLVANIA INC·Filed 2013·Granted Dec 6, 2016·0 cites·15 claims
- 1159US11584882B2Wavelength converter; method of its making and light-emitting device incorporating the elementOSRAM OPTO SEMICONDUCTORS GMBH·Filed 2020·Granted Feb 21, 2023·0 cites·7 claims
- 1259US10487390B2Method of bonding a laser activated remote phosphor assembly, method of manufacture and a laser activated remote phosphor assemblyOSRAM GMBH·Filed 2017·Granted Nov 26, 2019·0 cites·15 claims
- 1359US2008282615A1Window opening protectorMYHRE CRAIG·Filed 2008·Application pending·0 cites
- 1458US7812533B2Mercury dispenser, method of making mercury dispenser and method of dosing mercury into ARC discharge lampOSRAM SYLVANIA INC·Filed 2007·Granted Oct 12, 2010·0 cites·16 claims
- 1553US8827498B2LED light source having glass heat pipe with fiberglass wickJOHNSTON DAVID W·Filed 2008·Granted Sep 9, 2014·1 cites·2 claims
- 1653US7092092B1Hand-carried LED polariscopeOSRAM SYLVANIA INC·Filed 2005·Granted Aug 15, 2006·1 cites·12 claims
- 1753US6232718B1Ceramic feedthroughs for discharge lampsOSRAY SYLVANIA INC·Filed 1999·Granted May 15, 2001·12 cites·3 claims
- 1852US6641449B2High pressure lamp bulb and method of induction sealingOSRAM SYLVANIA INC·Filed 2001·Granted Nov 4, 2003·2 cites·23 claims
- 1950US7417363B2Containment vessel for light source capsules operating at other than the pressure of a surrounding gasOSRAM SYLVANIA INC·Filed 2005·Granted Aug 26, 2008·0 cites·24 claims
- 2049US8378571B2Precision mercury dispenser using wireOSRAM SYLVANIA INC·Filed 2010·Granted Feb 19, 2013·0 cites·20 claims
- 2148US2015267052A1Polycyclic polysiloxane composition and led containing sameOSRAM SYLVANIA INC·Filed 2013·Application pending·0 cites
- 2245US9553246B2Silicone-grafted core-shell particles, polymer matrix, and LED containing sameTCHOUL MAXIM N·Filed 2016·Granted Jan 24, 2017·0 cites·2 claims
- 2343US7236241B2Method of making a standard tool for calibrating stress analysis measuring devices and a set of the standard toolsOSRAM SYLVANIA INC·Filed 2005·Granted Jun 26, 2007·0 cites·18 claims
- 2441US2019186711A1Target assembly with glass-bonded wavelength converterOSRAM SYLVANIA INC·Filed 2017·Application pending·0 cites
- 2540US4720656ADischarge lamp having envelope support spacerGTE PROD CORP·Filed 1987·Granted Jan 19, 1988·5 cites·17 claims
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