Inventor
Elsie A. Fohrenkamm
Inventor
St. Paul, MN, US
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices30%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests16%
B41MPrinting, duplicating, marking, or copying processes13%
B41CProcesses for the manufacture or reproduction of printing surfaces7%
Y10TTechnical subjects covered by former us classification7%
G03CPhotosensitive materials for photographic purposes5%
H05KPrinted circuits5%
B41FPrinting machines or presses4%
B82YSpecific uses or applications of nanostructures4%
B41NPrinting plates or foils2%
PatentTitleYear
10,788,746Relief image-forming method and assembly202010,768,520Mask element precursor and relief image-forming system202010,248,025Concentrated and working strength aqueous flexographic developers201910,216,089Methods of forming flexographic printing members20199,398,698'Forming patterns of electrically conductive materials'20169,205,638'Method of forming printed patterns'20159,096,051'Forming printed patterns of multiple print materials'20158,796,583'Method of forming a structured surface using ablatable radiation sensitive material'20148,771,925'Flexographic processing solution and method of use'20148,632,944'Method of using mask film to form relief images'20148,632,961'Flexographic processing solution and use'20148,530,117'Method of producing a relief image for printing'20138,409,790'Method of producing a relief image for printing'20138,198,012'Method of using mask film to form relief images'20128,142,987'Method of producing a relief image for printing'20127,799,504'Mask film to form relief images and method of use'20107,317,577'Methods for producing a black matrix on a lenticular lens'20086,899,988'Laser thermal metallic donors'20055,399,457'Process for reducing sludge in diffusion transfer printing plates'19955,364,740'Bleaching of dyes in photosensitive systems'19944,511,646'Ethylenically-unsaturated dextrin composition for preparing a durable hydrophilic photopolymer'19854,507,382'Water developable positive acting lithographic printing plate'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2020Based in St. Paul, MN, US· patent location history
2008–2019Patents assigned to EASTMAN KODAK CO (15)· patent assignee history
2012–2014Patents assigned to FOHRENKAMM ELSIE A (8)· patent assignee history
2012–2014Patents assigned to ALI M ZAKI (6)· patent assignee history
2012–2014Patents assigned to BROWN DAVID E (5)· patent assignee history
2012–2014Patents assigned to HELLER MICHAEL B (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EASTMAN KODAK CO | 15 | 2008–2019 |
| FOHRENKAMM ELSIE Aself | 8 | 2012–2014 |
| ALI M ZAKI | 6 | 2012–2014 |
| BROWN DAVID E | 5 | 2012–2014 |
| HELLER MICHAEL B | 5 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| St. Paul, Minnesota, US | 22 | 1985–2020 |