Inventor
David T. Yust
Inventor
Woodbury, MN, US
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus20%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%
Y10TTechnical subjects covered by former us classification7%
B42DBooks5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
G06KGraphical data reading5%
G09FDisplaying5%
H04NPictorial communication, e.g. television5%
B29DProducing particular articles from plastics or from substances in a plastic state3%
PatentTitleYear
11,054,556Optical camouflage filters202110,905,903Respirator having optically active exhalation valve202110,895,673Stabilized infrared absorbing dispersions202110,763,004Conductive polymeric material202010,037,850Multilayer film capacitor20189,903,988'Stabilized infrared absorbing dispersions'20189,851,484Effective media retarder films with spatially selective birefringence reduction20179,562,998'Inconspicuous optical tags and methods therefor'20179,477,011'Multilayer optical film'20169,081,147'Effective media retarder films with spatially selective birefringence reduction'20159,069,136'Optical stack having birefringent layer of optically symmetrical crystallites'20158,922,888'Front projection screen with high contrast'20148,854,730'Negatively birefringent polyesters and optical films'20148,792,165'Internally patterned multilayer optical films with multiple birefringent layers'20148,263,731'Optical film comprising birefringent naphthalate copolyester having branched or cyclic C4-C10 alkyl units'20128,220,932'Dry erasable projection article and system'20128,012,571'Optical film comprising birefringent naphthalate copolyester having branched or cyclic C4-C10 alkyl units'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2021Patents assigned to 3M INNOVATIVE PROPERTIES CO (16)· patent assignee history
2011–2021Based in Woodbury, MN, US· patent location history
2012–2016Patents assigned to YUST DAVID T (8)· patent assignee history
2012–2016Patents assigned to JOHNSON STEPHEN A (5)· patent assignee history
2012–2016Patents assigned to LIU YUFENG (4)· patent assignee history
2014–2015Patents assigned to DUNN DOUGLAS S (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| 3M INNOVATIVE PROPERTIES CO | 16 | 2011–2021 |
| YUST DAVID Tself | 8 | 2012–2016 |
| JOHNSON STEPHEN A | 5 | 2012–2016 |
| LIU YUFENG | 4 | 2012–2016 |
| DUNN DOUGLAS S | 2 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Woodbury, Minnesota, US | 17 | 2011–2021 |