Inventor

Thomas M. Marshall

Inventor

Hartsdale, NY, US

Overview

19→

Patents

1987–2004

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 19 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F21Yprimary

F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted16%

G02BOptical elements, systems or apparatus16%

F21VFunctional features or details of lighting devices or systems thereof15%

H05BElectric heating6%

H10HInorganic light-emitting semiconductor devices having potential barriers6%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

F21SNon-portable lighting devices5%

F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems5%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%

G08GTraffic control systems3%

PatentTitleYear

6,783,269'Side-emitting rod for use with an LED-based light engine'2004 6,741,351'LED luminaire with light sensor configurations for optical feedback'2004 6,726,341'LED illumination for cold storage compartments'2004 6,693,698'Display device'2004 6,692,136'LED/phosphor-LED hybrid lighting systems'2004 6,547,416'Faceted multi-chip package to provide a beam of uniform white light from multiple monochrome LEDs'2003 6,547,423'LED collimation optics with improved performance and reduced size'2003 6,513,949'LED/phosphor-LED hybrid lighting systems'2003 6,443,594'One-piece lens arrays for collimating and focusing light and led light generators using same'2002 6,445,139'Led luminaire with electrically adjusted color balance'2002 6,264,346'Apparatus for mixing light from different color LEDs'2001 6,257,737'Low-profile luminaire having a reflector for mixing light from a multi-color linear array of LEDs'2001 6,200,002'Luminaire having a reflector for mixing light from a multi-color array of leds'2001 6,153,980'LED array having an active shunt arrangement'2000 6,139,166'Luminaire having beam splitters for mixing light from different color \' LEDs'2000 6,127,783'LED luminaire with electronically adjusted color balance'2000 6,088,375'Semiconductor device comprising p-type ZnMgSSe layer'2000 5,363,395'Blue-green injection laser structure utilizing II-VI compounds'1994 4,648,956'Electrode configurations for an electrophoretic display device'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1994Patents assigned to PHILIPS CORP (2)· patent assignee history

1987Based in Flushing, NY, US· patent location history

1994Based in Brooklyn, NY, US· patent location history

2000–2001Patents assigned to PHILIPS ELECTRONICS NA (7)· patent assignee history

2000Patents assigned to LUMILEDS LIGHTING BV (1)· patent assignee history

2000–2004Based in Hartsdale, NY, US· patent location history

2002–2004Patents assigned to KONINKL PHILIPS ELECTRONICS NV (10)· patent assignee history

2004Based in Haratsdale, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KONINKL PHILIPS ELECTRONICS NV	10	2002–2004
PHILIPS ELECTRONICS NA	7	2000–2001
PHILIPS CORP	2	1987–1994
LUMILEDS LIGHTING BV	1	2000

Locations

Location	Patents	Span
Hartsdale, New York, US	16	2000–2004
Haratsdale, New York, US	1	2004
Brooklyn, New York, US	1	1994
Flushing, New York, US	1	1987