Inventor
Jonathan P. Kitchin
Inventor
Hertford, GB
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Cprimary
G03CPhotosensitive materials for photographic purposes33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%
B41MPrinting, duplicating, marking, or copying processes11%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices9%
B44CProducing decorative effects4%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments4%
H04NPictorial communication, e.g. television4%
Y10TTechnical subjects covered by former us classification4%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering2%
D06PDyeing or printing textiles2%
PatentTitleYear
7,326,504'Imaged anti-copy film'20087,026,103'Multicolor imaging using multiphoton photochemical processes'20066,974,609'Media for cold image transfer'20056,874,421'Ink jet transfer printing process'20055,384,237'Quaternary-ammonium phenylsulfonylacetate thermal-dye-bleach agents'19955,324,627'Tetra-alkylammonium phenylsulfonylacetate thermal-dye-bleach agents'19945,314,795'Thermal-dye-bleach construction comprising a polymethine dye and a thermal carbanion-generating agent'19945,266,452'Photographic element containing a thermal dye bleach system'19935,135,842'Thermal dye bleach construction'19924,824,770'Continuous tone color imaging using laser or light emitting diode sources'19894,814,827'Photographic color proofing apparatus'19894,777,118'Process for the formation of high contrast negative images and silver halide photographic element'19884,746,593'Silver halide radiation-sensitive photographic materials'19884,705,745'Photographic materials and color proofing system'19874,581,325'Photographic elements incorporating antihalation and/or acutance dyes'19864,526,860'Photographic process'19854,515,888'Cyanine dyes for sensitizing silver halide emulsions to infrared radiation and photographic elements including them'19854,472,497'White light handleable photographic materials'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1995Patents assigned to MINNESOTA MINING & MFG (14)· patent assignee history
1984–1986Based in Ware, GB· patent location history
1988–1993Based in Hertford, GB· patent location history
1994–1995Based in White Bear Lake, MN, US· patent location history
2005–2008Patents assigned to 3M INNOVATIVE PROPERTIES CO (3)· patent assignee history
2005Patents assigned to ENGLE LORI P (1)· patent assignee history
2005Patents assigned to FAROOQ OMAR (1)· patent assignee history
2005Patents assigned to GRAHAM PAUL D (1)· patent assignee history
2005–2006Based in Austin, TX, US· patent location history
2008Based in Leander, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINNESOTA MINING & MFG | 14 | 1984–1995 |
| 3M INNOVATIVE PROPERTIES CO | 3 | 2005–2008 |
| ENGLE LORI P | 1 | 2005 |
| FAROOQ OMAR | 1 | 2005 |
| GRAHAM PAUL D | 1 | 2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hertford, GB | 6 | 1988–1993 |
| Ware, GB | 4 | 1984–1986 |
| White Bear Lake, Minnesota, US | 3 | 1994–1995 |
| Austin, Texas, US | 2 | 2005–2006 |
| Leander, Texas, US | 1 | 2008 |