DJ

David W. Johnston

OS Osram Sylvania: 12 patents #62 of 820Top 8%
OG Osram Opto Semiconductors Gmbh: 4 patents #344 of 1,154Top 30%
GP Gte Products: 2 patents #353 of 928Top 40%
OG Osram Gmbh: 1 patents #481 of 946Top 55%
Overall (All Time): #205,360 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
11584882 Wavelength converter; method of its making and light-emitting device incorporating the element Alan Piquette, Maxim N. Tchoul, Gertrud Kraeuter 2023-02-21
10950760 Two component glass body for tape casting phosphor in glass LED converters 2021-03-16
10487390 Method of bonding a laser activated remote phosphor assembly, method of manufacture and a laser activated remote phosphor assembly Darshan Kundaliya, James Avallon, Alan Lenef 2019-11-26
10472735 Method of making a single crystal wavelength conversion element, single crystal wavelength conversion element, and light source containing same John F. Kelso, Alan Piquette 2019-11-12
10221353 Wavelength converting compositions, wavelength converters and devices including the same Maxim N. Tchoul 2019-03-05
9553246 Silicone-grafted core-shell particles, polymer matrix, and LED containing same Maxim N. Tchoul, Alan Lenef 2017-01-24
9515235 Silicone-grafted core-shell particles, polymer matrix, and LED containing same Maxim N. Tchoul, Alan Lenef 2016-12-06
9240517 Strain relief superlattices and optoelectronic devices including the same Richard Speer, Joseph Laski, Kailash C. Mishra 2016-01-19
8827498 LED light source having glass heat pipe with fiberglass wick Gregory Zaslavsky, Jeffery J. Serre 2014-09-09
8378571 Precision mercury dispenser using wire Gregory Zaslavsky, William A. George 2013-02-19
7812533 Mercury dispenser, method of making mercury dispenser and method of dosing mercury into ARC discharge lamp William A. George, Richard Speer, Gregory Zaslavsky 2010-10-12
7758049 Roulette with hi/low betting area 2010-07-20
7417363 Containment vessel for light source capsules operating at other than the pressure of a surrounding gas William D. Koenigsberg, John Selverian, David Wentzel, Walter P. Lapatovich 2008-08-26
7236241 Method of making a standard tool for calibrating stress analysis measuring devices and a set of the standard tools Mary Ann Johnson 2007-06-26
7092092 Hand-carried LED polariscope 2006-08-15
7061612 LED Polarimeter 2006-06-13
6641449 High pressure lamp bulb and method of induction sealing Ernest Davey, Gregory Zaslavsky, Dana Caldwell 2003-11-04
6566814 Induction sealed high pressure lamp bulb Ernest Davey, Gregory Zaslavsky, Dana Caldwell 2003-05-20
6232718 Ceramic feedthroughs for discharge lamps Joseph A. Olsen 2001-05-15
4908546 Lead-in wire for compact fluorescent lamps John W. Shaffer, Peter V. Caleshu 1990-03-13
4720656 Discharge lamp having envelope support spacer Charles H. Poirier 1988-01-19