Inventor

Stephen Coffin

Inventor
Hayward, CA, US

Overview

16→
Patents
2002–2021
Patent span
Physics
Primary field (CPC G)

Patents· 16 as inventor

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

G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein21%
E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates17%
G06FElectric digital data processing9%
G08BSignalling systems, e.g. personal calling systems9%
H04LTransmission of digital information, e.g. telegraphic communication6%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%
G05BControl or regulating systems in general4%
H03KPulse technique4%
H04NPictorial communication, e.g. television4%
B01FMixing, e.g. dissolving, emulsifying or dispersing2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002Patents assigned to EMWARE INC (1)· patent assignee history
2002–2009Based in Layton, UT, US· patent location history
2006–2007Patents assigned to MATSUSHITA ELECTRIC WORKS LTD (2)· patent assignee history
2007Patents assigned to BIOMICRO SYSTEMS INC (1)· patent assignee history
2009Patents assigned to CONTROL4 CORP (1)· patent assignee history
2016–2021Patents assigned to KINESTRAL TECH INC (11)· patent assignee history
2016–2020Based in South San Francisco, CA, US· patent location history
2019–2021Based in Hayward, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KINESTRAL TECH INC112016–2021
MATSUSHITA ELECTRIC WORKS LTD22006–2007
BIOMICRO SYSTEMS INC12007
CONTROL4 CORP12009
EMWARE INC12002
Locations
LocationPatentsSpan
Hayward, California, US62019–2021
South San Francisco, California, US52016–2020
Layton, UT, US52002–2009