Inventor

Nicholas A. Johnson

Inventor

Burnsville, MN, US

Overview

11→

Patents

2017–2020

Patent span

Physics

Primary field (CPC G)

Patents· 11 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus27%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein16%

F21VFunctional features or details of lighting devices or systems thereof14%

C25DProcesses for the electrolytic or electrophoretic production of coatings8%

B29CShaping or joining of plastics5%

B29LIndexing scheme associated with subclass b29c, relating to particular articles5%

B30BPresses in general5%

A45BWalking sticks3%

A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body3%

F21LLighting devices or systems thereof, being portable or specially adapted for transportation3%

PatentTitleYear

10,809,445Light control film for display assemblies2020 10,779,620Assistive cane for visually impaired with programmable lighting2020 10,775,547Lightguide2020 10,698,138Graded diffuser2020 10,605,965Optical diffusing films and methods of making same2020 10,488,014Display including switchable backlight and front surface film2019 10,388,230Temporally multiplexing backlight with asymmetric turning film2019 10,371,350Asymmetric turning film with multiple light sources2019 10,295,710Optical diffusing films and methods of making same2019 10,247,872Dual-sided film with split light spreading structures2019 9,784,902'Dual-sided film with split light spreading structures'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017–2020Patents assigned to 3M INNOVATIVE PROPERTIES CO (10)· patent assignee history

2017–2019Based in St. Paul, MN, US· patent location history

2019–2020Based in Burnsville, MN, US· patent location history

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

2020Patents assigned to JOHNSON NICHOLAS A (1)· patent assignee history

2020Based in Portland, OR, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
3M INNOVATIVE PROPERTIES CO	10	2017–2020
3M INNOVATION PROPERTIES COMPANY	1	2020
JOHNSON NICHOLAS Aself	1	2020

Locations

Location	Patents	Span
Burnsville, Minnesota, US	8	2019–2020
St. Paul, Minnesota, US	2	2017–2019
Portland, OR, US	1	2020