Inventor
Duncan James Anderson
Inventor
Abingdon, GB
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus29%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein21%
H04NPictorial communication, e.g. television21%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body3%
A61MDevices for introducing media into, or onto, the body3%
A61NElectrotherapy3%
E02FDredging3%
F21VFunctional features or details of lighting devices or systems thereof3%
G01BMeasuring length, thickness or similar linear dimensions3%
G02CSpectacles3%
PatentTitleYear
10,017,916Earth working apparatus20187,740,375'High brightness illumination device with incoherent solid state light source'20107,631,991'Brightness enhancement of LED using selective ray angular recycling'20097,406,227'Efficient coupling of light into a light guides'20086,698,894'Scrolling color light engine with improved color uniformity of the illumination field and single panel projection display system incorporating same'20046,686,975'Achromatic apparatus for producing a wavelength-independent high contrast light signal'20046,624,872'Optical radiation filter'20036,595,648'Projection display'20036,583,938'Optical device and projection display'20036,339,464'Filter and method of making an optical device'20026,327,013'Liquid crystal device in which an electric field within the picture element varies in intensity'20016,260,972'Liquid crystal projectors'20016,155,688'Dark field projection display'20006,061,108'Broadband cholesteric polarizer and an optical device employing the same'20005,973,817'Polarization independent optical phase modulator'19995,808,709'Illuminator with polarization separating anisotropic layer between light guide and reflector'19985,092,669'Optical device and method for using same'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992Patents assigned to MIGRA LIMITED (1)· patent assignee history
1998–2003Patents assigned to SHARP KK (10)· patent assignee history
1998–2001Based in Oxfordshire, GB· patent location history
1999–2003Based in Abingdon, GB· patent location history
2003Based in Tarrytown, NY, US· patent location history
2004–2010Patents assigned to KONINKL PHILIPS ELECTRONICS NV (5)· patent assignee history
2004–2010Based in Sleepy Hollow, NY, US· patent location history
2018Patents assigned to ANDERSON DUNCAN (1)· patent assignee history
2018Based in Immingham, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHARP KK | 10 | 1998–2003 |
| KONINKL PHILIPS ELECTRONICS NV | 5 | 2004–2010 |
| ANDERSON DUNCANself | 1 | 2018 |
| MIGRA LIMITED | 1 | 1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Abingdon, GB | 6 | 1999–2003 |
| Sleepy Hollow, New York, US | 4 | 2004–2010 |
| Tarrytown, New York, US | 2 | 2003 |
| Oxfordshire, GB | 2 | 1998–2001 |
| Immingham, GB | 1 | 2018 |