LexDanaLexDanabeta
Inventor

Richard A. Kirk

Inventor
Hertfordshire, GB

Overview

18→
Patents
1989–2006
Patent span
Physics
Primary field (CPC G)

Patents· 18 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television39%
G06TImage data processing or generation, in general26%
B41JTypewriters9%
G06KGraphical data reading9%
E04HBuildings or like structures for particular purposes4%
G06FElectric digital data processing4%
G09GArrangements or circuits for control of indicating devices using static means to present variable information4%
H10HInorganic light-emitting semiconductor devices having potential barriers4%
PatentTitleYear
7,079,679'Image processing apparatus'20066,459,422'Graphical user interface for inputting data'20025,663,810'Method and apparatus for producing a digital half-tone representation of an image'19975,629,721'Graphics display system'19975,555,475'Method and apparatus for generating an output device control signal'19965,551,099'Weighted pool cover perimeter anchor'19965,497,248'Method and apparatus for viewing screened images'19965,471,566'Methods and apparatus for generating graphics patterns using pixel values from a high resolution pattern'19955,335,318'Electronic image generation apparatus including a camera for recording a region and producing a control data array'19945,301,241'Image compression method and apparatus employing principal component analysis'19945,111,286'Image processing'19925,105,469'Control data array generation apparatus and method'19925,057,939'Data compression'19914,989,096'Producing half-tone images of higher resolution through interpolation of original data'19914,888,603'Light emitting diode array'19894,884,086'Method of alignment of LED chips'19894,857,944'Recalibration system for LED array'19894,803,548'Color video image enhancement'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1997Patents assigned to CROSFIELD ELECTRONICS LTD (12)· patent assignee history
1989Patents assigned to PLESSEY OVERSEAS (2)· patent assignee history
1989Patents assigned to PLESSEY CO PLC (1)· patent assignee history
1989–1997Based in Herts, GB· patent location history
1989Based in Northampton, GB· patent location history
1991–2006Based in Hertfordshire, GB· patent location history
1996Based in Millersville, MD, US· patent location history
2002–2006Patents assigned to CANON KK (2)· patent assignee history
2002Based in Guildford, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CROSFIELD ELECTRONICS LTD121989–1997
CANON KK22002–2006
PLESSEY OVERSEAS21989
PLESSEY CO PLC11989
Locations
LocationPatentsSpan
Hertfordshire, GB71991–2006
Herts, GB61989–1997
Northampton, GB21989
Guildford, GB12002
Millersville, Maryland, US11996