Inventor

David A. Ender

Inventor
New Richmond, WI, US

Overview

24→
Patents
1997–2019
Patent span
Physics
Primary field (CPC G)

Patents· 24 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus26%
F21SNon-portable lighting devices11%
G03GElectrography9%
F21VFunctional features or details of lighting devices or systems thereof7%
B29DProducing particular articles from plastics or from substances in a plastic state6%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general6%
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 emitted6%
B82YSpecific uses or applications of nanostructures4%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
H10KOrganic electric solid-state devices4%
PatentTitleYear
10,509,157Lightguides with pixelated image20199,989,691Lightguide and light source incorporating same20189,823,402'Illumination articles'20179,816,679'Light assembly'20179,599,308'Hybrid taillight article'20179,429,691'Light guides having enhanced light extraction'20169,423,297'Optical device with optical element and sensor for sampling light'20169,329,326'Process for making light guides with extraction structures and light guides produced thereby'20169,261,643'Hollow lightguide having multiple reflectors'20169,200,763'Flexible lighting assembly'20159,200,775'Light assembly'20159,151,460'Light assembly'20158,909,009'Light guides having enhanced light extraction'20148,545,037'Lightguides having light extraction structures providing regional control of light output'20138,322,874'Lightguides having light extraction structures providing regional control of light output'20127,941,013'Process for making light guides with extraction structures and light guides produced thereby'20117,936,956'Process for making light guides with extraction structures and light guides produced thereby'20117,211,679'Perfluoroether acyl oligothiophene compounds'20077,151,276'Semiconductors containing perfluoroether acyl oligothiophene compounds'20066,052,135'Combination erase bar and belt position detector system for use with an electrophotographic imaging system'20005,905,519'System for registration of color separation images on a photoconductor belt'19995,896,158'System for registration of a photoconductor belt in an electrophotographic imaging system'19995,756,246'Bi-layer barrier for photoreceptors'19985,606,398'Reduction of residual potential and ghosting in a photoconductor'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–1998Patents assigned to MINNESOTA MINING & MFG (2)· patent assignee history
1997Based in River Falls, WI, US· patent location history
1998–2019Based in New Richmond, WI, US· patent location history
1999–2000Patents assigned to IMATION CORP (3)· patent assignee history
2006–2019Patents assigned to 3M INNOVATIVE PROPERTIES CO (19)· patent assignee history
2012–2018Patents assigned to ENDER DAVID A (8)· patent assignee history
2015Patents assigned to CARPENTER BARRY S (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
3M INNOVATIVE PROPERTIES CO192006–2019
ENDER DAVID Aself82012–2018
IMATION CORP31999–2000
CARPENTER BARRY S22015
MINNESOTA MINING & MFG21997–1998
Locations
LocationPatentsSpan
New Richmond, WI, US231998–2019
River Falls, WI, US11997