Inventor
John A. Clarke
Inventor
Carshalton, GB
Overview
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus30%
H04NPictorial communication, e.g. television20%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein11%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them9%
H01JElectric discharge tubes or discharge lamps7%
G09FDisplaying4%
B23KSoldering or unsoldering2%
C30BSingle-crystal growth2%
G01SRadio direction-finding2%
G06TImage data processing or generation, in general2%
PatentTitleYear
6,840,646'Illumination system and display device'20056,690,515'Laser system with mixed polarity beamlets'20046,462,795'Display system having curved microlens array between flat matrix display panel and similarly curved viewing screen'20026,133,687'CRT having microlenses with a predetermined relationship with the curvature of the faceplate'20006,064,424'Autostereoscopic display apparatus'20006,057,538'Image sensor in which each lens element is associated with a plurality of pixels'20006,014,232'Electrical device comprising an array of pixels'20005,956,163'Image sensor'19995,897,191'Color interlaced image projection apparatus'19995,842,762'Interlaced image projection apparatus'19985,757,341'Color liquid crystal projection display systems'19985,727,860'Interlaced image projection apparatus'19985,623,349'Liquid crystal projection system having three different color beams pass through substantially separate areas and filter at liquid crystal panel output'19975,612,797'Liquid crystal projection display systems'1997RE034131'Display tube having improved brightness distribution'19925,136,300'Modular solid state radar transmitter'19924,915,479'Liquid crystal display illumination system'19904,804,884'Display tube having improved brightness distribution'19894,699,476'Projection lens system'19874,699,477'Projection lens system'19874,599,542'Linear beam tubes'19864,595,263'Projection lens system'19864,573,769'Projection lens system'19864,116,528'Optical viewing device of the periscope type with rotating means for focussing'19784,073,574'Optical projector'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–2000Patents assigned to PHILIPS CORP (19)· patent assignee history
1978–2005Based in Carshalton, GB· patent location history
1978Based in Wallington, GB· patent location history
1986Patents assigned to ENGLISH ELECTRIC VALVE CO LTD (1)· patent assignee history
1986Patents assigned to SECR DEFENCE BRIT (1)· patent assignee history
1986Based in Malvern Link, GB· patent location history
1992Patents assigned to WESTINGHOUSE ELECTRIC CORP (1)· patent assignee history
1992Based in Baltimore, MD, US· patent location history
2002–2005Patents assigned to KONINKL PHILIPS ELECTRONICS NV (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PHILIPS CORP | 19 | 1978–2000 |
| KONINKL PHILIPS ELECTRONICS NV | 3 | 2002–2005 |
| ENGLISH ELECTRIC VALVE CO LTD | 1 | 1986 |
| SECR DEFENCE BRIT | 1 | 1986 |
| WESTINGHOUSE ELECTRIC CORP | 1 | 1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Carshalton, GB | 22 | 1978–2005 |
| Baltimore, Maryland, US | 1 | 1992 |
| Malvern Link, GB | 1 | 1986 |
| Wallington, GB | 1 | 1978 |