Inventor

James M. Donohue

Inventor

Los Alamitos, CA, US

Overview

1976–1999

Patent span

Physics

Primary field (CPC G)

Patents· 21 as inventor

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

G03Gprimary

G03GElectrography50%

G06FElectric digital data processing29%

G05BControl or regulating systems in general9%

G06KGraphical data reading3%

G11BInformation storage based on relative movement between record carrier and transducer3%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters3%

H04NPictorial communication, e.g. television3%

PatentTitleYear

5,893,015'Flexible donor belt employing a DC traveling wave'1999 5,764,271'Multi-mode printing circuitry providing ROS printing correction'1998 5,016,121'Disk drive controller system'1991 4,641,952'Selective development control for electrostatic reproduction machines'1987 4,527,252'Character generator'1985 4,523,299'Message transmitting system for reproduction machines and copiers'1985 4,493,049'Shared resource clustered printing system'1985 4,306,803'Microprocessor and control apparatus in a photocopier'1981 4,165,170'Control system'1979 4,144,550'Reproduction machine using fiber optics communication system'1979 RE029818'Toner-reclaiming system'1978 4,109,313'Programmable controller for controlling reproduction machines'1978 4,107,779'Programmable controller for controlling reproduction machines'1978 RE029514'Programming control system for printing machine'1978 4,054,380'Control system for high speed copier/duplicators'1977 4,035,072'Programmable controller for controlling reproduction machines'1977 4,014,609'Programmable controller for controlling reproduction machines'1977 3,944,360'Programmable controller for controlling reproduction machines'1976 3,944,359'Programmable controller for controlling reproduction machines'1976 3,940,210'Programmable controller for controlling reproduction machines'1976 3,934,182'Synchronizing apparatus'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1999Patents assigned to XEROX CORP (18)· patent assignee history

1976–1998Based in Los Alamitos, CA, US· patent location history

1976–1987Based in Rochester, NY, US· patent location history

1985Based in Brighton, NY, US· patent location history

1991Patents assigned to TANDON CORP (1)· patent assignee history

1999Based in Las Vegas, NV, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
XEROX CORP	18	1976–1999
TANDON CORP	1	1991

Locations

Location	Patents	Span
Los Alamitos, California, US	12	1976–1998
Rochester, New York, US	6	1976–1987
Brighton, New York, US	2	1985
Las Vegas, NV, US	1	1999