Inventor

Kristopher J. Derks

Inventor
Woodbury, MN, US

Overview

27→
Patents
2008–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 27 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus23%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form19%
Y10TTechnical subjects covered by former us classification13%
B29DProducing particular articles from plastics or from substances in a plastic state10%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein9%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts5%
B29LIndexing scheme associated with subclass b29c, relating to particular articles5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
F21VFunctional features or details of lighting devices or systems thereof4%
B29CShaping or joining of plastics3%
PatentTitleYear
11,099,312Single packet reflective polarizer with thickness profile tailored for low color at oblique angles202111,022,734Polarizer stack202110,859,741Display laminate with single packet biaxially birefringent reflective polarizer202010,613,264Single packet reflective polarizer with thickness profile tailored for low color at oblique angles202010,545,273Display laminate with single packet biaxially birefringent reflective polarizer202010,520,655Glare reducing glazing articles201910,228,502Optical bodies including strippable boundary layers20199,915,762'Articles with binder-deficient slip coating and method for making same'20189,895,837'Textured film and process for manufacture'20189,851,481Method of making optical body having polyacrylate skin layer20179,709,700'Optical bodies including rough strippable boundary layers'20179,561,629'Optical bodies including rough strippable boundary layers and asymmetric surface structures'20179,513,420'Low layer count reflective polarizer with optimized gain'20169,393,729'Controlling cross-web layer profile of a multilayer polymer film'20169,110,245'Low layer count reflective polarizer with optimized gain'20159,102,131'Textured film and process for manufacture thereof'20158,926,159'Thin hollow backlights with beneficial design characteristics'20158,740,442'Backlight and display system using same'20148,568,869'Optical bodies including rough strippable boundary layers and asymmetric surface structures'20138,523,419'Thin hollow backlights with beneficial design characteristics'20138,469,575'Backlight and display system using same'20138,409,720'Optical body having polyacrylate skin layer'20138,263,731'Optical film comprising birefringent naphthalate copolyester having branched or cyclic C4-C10 alkyl units'20128,182,924'Optical body having polyacrylate skin layer'20128,012,571'Optical film comprising birefringent naphthalate copolyester having branched or cyclic C4-C10 alkyl units'20117,468,204'Modified copolyesters and optical films including modified copolyesters'20087,345,137'Modified copolyesters and optical films including modified copolyesters'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2021Patents assigned to 3M INNOVATIVE PROPERTIES CO (27)· patent assignee history
2008Based in Maplewood, MN, US· patent location history
2011–2021Based in Woodbury, MN, US· patent location history
2012–2019Patents assigned to DERKS KRISTOPHER J (13)· patent assignee history
2012–2017Patents assigned to HEBRINK TIMOTHY J (7)· patent assignee history
2012–2017Patents assigned to HAMER KEVIN M (5)· patent assignee history
2012–2017Patents assigned to JOHNSON STEPHEN A (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
3M INNOVATIVE PROPERTIES CO272008–2021
DERKS KRISTOPHER Jself132012–2019
HEBRINK TIMOTHY J72012–2017
HAMER KEVIN M52012–2017
JOHNSON STEPHEN A52012–2017
Locations
LocationPatentsSpan
Woodbury, Minnesota, US252011–2021
Maplewood, Minnesota, US22008