Inventor
William J. Cassarly
Inventor
Lyndhurst, OH, US
Overview
Patents· 50 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus49%
F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems8%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general7%
F21VFunctional features or details of lighting devices or systems thereof7%
F21SNon-portable lighting devices4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
A47FSpecial furniture, fittings, or accessories for shops, storehouses, bars, restaurants or the like3%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%
F25DRefrigerators2%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them2%
PatentTitleYear
10,437,049Optical design using freeform tailoring201910,151,921Optical design using freeform tailoring20189,075,177'Light enhancing structures with a plurality of arrays of elongate features'20158,348,488'Elongated solid luminaire with light-emitting portion with first and second extraction regions spatially divided along the longitudinal axis thereof'20137,866,871'Light enhancing structures with a plurality of arrays of elongate features'20117,777,955'Rippled mixers for uniformity and color mixing'20107,674,028'Light enhancing structures with multiple arrays of elongate features of varying characteristics'20107,651,243'Phosphor wheel illuminator'20107,588,342'Lighted refrigerated display case with remote light source'20097,549,783'Efficient luminaire with directional side-light extraction'20097,545,569'Optical apparatus with flipped compound prism structures'20097,374,313'Luminaire with improved lateral illuminance control'20087,366,393'Light enhancing structures with three or more arrays of elongate features'20087,360,899'Beamsplitting structures and methods in optical systems'20087,330,632'Fiberoptic luminaire with scattering and specular side-light extractor patterns'20087,277,609'Methods for manipulating light extraction from a light guide'20077,206,133'Light distribution apparatus and methods for illuminating optical systems'20077,196,849'Apparatus and methods for illuminating optical systems'20077,163,326'Efficient luminaire with directional side-light extraction'20076,864,861'Image generator having a miniature display device'20056,819,505'Internally reflective ellipsoidal collector with projection lens'20046,488,389'Image generator having an improved illumination system'20026,280,054'Image generator having an improved illumination system'20016,220,740'High efficiency dual output light source'20016,219,480'Optical coupler for coupling light between one and a plurality of light ports'20016,192,176'Compact optical system with turn and color mixing'20015,927,849'Low angle, dual port light coupling arrangement'19995,924,792'Modular dual port central lighting system'19995,896,004'Double ended quartz lamp with end bend control'19995,877,681'System and method for broadcasting colored light for emergency signalling'19995,842,765'Tricolor lighting system'19985,826,963'Low angle, dual port light coupling arrangement'19985,812,713'Optical coupling system with bend'19985,774,608'Optical coupling systems with bend'19985,691,696'System and method for broadcasting colored light for emergency signals'19975,692,091'Compact optical coupling systems'19975,675,677'Lamp-to-light guide coupling arrangement for an electrodeless high intensity discharge lamp'19975,664,863'Compact uniform beam spreader for a high brightness centralized lighting system'19975,654,610'Electrodeless discharge lamp having a neon fill'19975,636,915'High brightness projection lighting system'19975,567,031'High efficiency dual output light source'19965,563,977'Display system having greyscale control of fiber optic delivered light output'19965,560,699'Optical coupling arrangement between a lamp and a light guide'19965,515,243'Retrofit optical assembly for lighting system'19965,469,337'Multiple port high brightness centralized lighting system'19955,420,769'High temperature lamp assembly with improved thermal management properties'19955,317,484'Collection optics for high brightness discharge light source'19945,107,357'Low insertion loss optical beam steerer'19925,059,008'Wide angle beam steerer using translation of plural lens arrays'19915,015,080'Continuous wide angle beam steerer using lens translation and phase shifter'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2001Patents assigned to GEN ELECTRIC (26)· patent assignee history
1995–2001Based in Richmond Heights, OH, US· patent location history
1996–2005Based in Lyndhurst, OH, US· patent location history
1997–1999Patents assigned to FEDERAL SIGNAL CORP (3)· patent assignee history
1997–1999Based in Richmond Hts., OH, US· patent location history
2004–2009Based in Mason, OH, US· patent location history
2007–2010Patents assigned to OPTICAL RES ASSOCIATES (11)· patent assignee history
2008–2015Patents assigned to AVERY DENNISON CORP (5)· patent assignee history
2008–2013Patents assigned to ENERGY FOCUS INC (5)· patent assignee history
2008–2019Based in Wooster, OH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 26 | 1991–2001 |
| OPTICAL RES ASSOCIATES | 11 | 2007–2010 |
| AVERY DENNISON CORP | 5 | 2008–2015 |
| ENERGY FOCUS INC | 5 | 2008–2013 |
| FEDERAL SIGNAL CORP | 3 | 1997–1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lyndhurst, OH, US | 15 | 1996–2005 |
| Wooster, OH, US | 13 | 2008–2019 |
| Richmond Heights, OH, US | 8 | 1995–2001 |
| Mason, OH, US | 7 | 2004–2009 |
| Richmond Hts., OH, US | 3 | 1997–1999 |