Inventor

John P. Spence

Inventor
Webster, NY, US

Overview

20→
Patents
1987–2019
Patent span
Physics
Primary field (CPC G)

Patents· 20 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television26%
G06TImage data processing or generation, in general15%
G03CPhotosensitive materials for photographic purposes12%
G01CMeasuring distances, levels or bearings9%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices9%
G03GElectrography9%
G09GArrangements or circuits for control of indicating devices using static means to present variable information6%
B41JTypewriters3%
B41MPrinting, duplicating, marking, or copying processes3%
G01BMeasuring length, thickness or similar linear dimensions3%
PatentTitleYear
10,346,999System and method of measuring distances related to an object utilizing ancillary objects20199,691,163'System and method of measuring distances related to an object utilizing ancillary objects'20179,230,339'System and method of measuring distances related to an object'20168,964,850'Method, apparatus and system for converging images encoded using different standards'20158,638,858'Method, apparatus and system for converging images encoded using different standards'20147,113,627'Location of extended linear defects'20066,985,270'Method and photographic element for calibrating digital images'20066,866,199'Method of locating a calibration patch in a reference calibration target'20056,520,694'System and method for processing photographic film images'20036,456,798'Barcode and data storage arrangement on a photographic element'20026,284,445'Reference calibration patch arrangement to minimize exposure and measurement artifacts and maximize robustness to defects'20016,280,914'Photographic element with reference calibration data'20015,774,639'Printer media including compressed sensitometry curve information'19985,333,069'Technique for use in conjunction with an imaging system for providing an appearance match between two images and for calibrating the system thereto'19945,317,425'Technique for use in conjunction with an imaging system for providing an appearance match between two images and for calibrating the system thereto'19945,293,539'Method and apparatus for calibrating tone reproduction in a proofing system'19945,255,085'Adaptive technique for providing accurate tone reproduction control in an imaging system'19935,122,842'Color electrostatography process control by way of toner development characteristics'19925,060,013'Hardcopy output device with test patch location sequencer'19914,708,459'Electrophotographic color proofing apparatus and method'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2006Patents assigned to EASTMAN KODAK CO (15)· patent assignee history
1987Based in Rochester, NY, US· patent location history
1991–2019Based in Webster, NY, US· patent location history
2014–2015Patents assigned to INTELLECTUAL VENTURES FUND 83 LLC (2)· patent assignee history
2014Patents assigned to BETANCOURT ESTHER M (1)· patent assignee history
2014Patents assigned to FINTEL WILLIAM V (1)· patent assignee history
2016–2019Patents assigned to WEXENERGY INNOVATIONS LLC (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EASTMAN KODAK CO151987–2006
WEXENERGY INNOVATIONS LLC32016–2019
INTELLECTUAL VENTURES FUND 83 LLC22014–2015
BETANCOURT ESTHER M12014
FINTEL WILLIAM V12014
Locations
LocationPatentsSpan
Webster, New York, US191991–2019
Rochester, New York, US11987