Inventor

Derek W. Patzman

Inventor

Savage, MN, US

Overview

4→

Patents

2018–2021

Patent span

Physics

Primary field (CPC G)

Patents· 4 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, form15%

G06FElectric digital data processing15%

C08JWorking-up8%

C08LCompositions of macromolecular compounds8%

C09JAdhesives8%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%

H01LSemiconductor devices8%

H10NElectric solid-state devices not otherwise provided for8%

PatentTitleYear

11,016,231Retarder2021 10,962,688Low Tg polyurethane protective display film2021 10,747,040Substrate for touch sensor2020 9,904,428'Multi-layer piezoelectric polymer film devices and methods'2018

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018–2021Patents assigned to 3M INNOVATIVE PROPERTIES CO (4)· patent assignee history

2018Based in St. Paul, MN, US· patent location history

2020Patents assigned to 3M INNOVATION PROPERTIES COMPANY (1)· patent assignee history

2020–2021Based in Savage, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
3M INNOVATIVE PROPERTIES CO	4	2018–2021
3M INNOVATION PROPERTIES COMPANY	1	2020

Locations

Location	Patents	Span
Savage, Minnesota, US	3	2020–2021
St. Paul, Minnesota, US	1	2018