LexDanaLexDanabeta
Inventor

Stephen A. Johnson

Inventor
Woodbury, MN, US

Overview

97→
Patents
1981–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 97 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification14%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form9%
G02BOptical elements, systems or apparatus9%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%
C08LCompositions of macromolecular compounds7%
C09JAdhesives6%
B29CShaping or joining of plastics5%
B23KSoldering or unsoldering5%
C08JWorking-up3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
10,850,347Linear friction welding system with pre-heating202010,747,040Substrate for touch sensor202010,737,353Torque controlled linear friction welder system202010,710,343Coextruded polymer film configured for successive irreversible delamination202010,703,943Processing tape for optical articles202010,696,028Successively peelable coextruded polymer film with extended UV stability202010,682,830Successively peelable coextruded polymer film with embedded antimicrobial layer(s)202010,654,251Ultrathin barrier laminates and devices202010,569,355Method of operating a linear friction welding system with phase change assembly202010,495,801Patterned marking of multilayer optical film by thermal conduction201910,414,145Electrical multilayer lamination transfer films201910,336,046Self-adhering tape comprising multilayers of polyolefin polymer materials and method201910,282,583Fingerprint imaging systems comprising self-wetting adhesive, films and methods201910,254,460Patterned marking of multilayer optical film by thermal conduction201910,099,313Linear friction welding system with phase change assembly201810,067,278Birefringent polyester film with low haze having specified Tan Delta value201810,040,272Tear resistant multilayer film201810,018,762Patterned marking of multilayer optical film by thermal conduction20189,971,074Retroreflective sheeting including a substantially amorphous polymeric layer20189,943,928Method of operating an apparatus for linear friction welding20189,885,885'Blue edge filter optical lens'20189,864,120'Patterned marking of multilayer optical film by thermal conduction'20189,851,481Method of making optical body having polyacrylate skin layer20179,776,381'Tear resistant multilayer film'20179,776,384'Inorganic multilayer lamination transfer films'20179,772,051'Waterproofing water combinations'20179,745,855'Linear friction welding apparatus and method'20179,649,719'Method of operating an apparatus for linear friction welding'20179,586,385'Inorganic multilayer lamination transfer films'20179,567,458'Mixtures of polydiorganosiloxane polyamide-containing components and organic polymers'20179,527,965'Polydiorganosiloxane polymide copolymers having organic soft segments'20169,477,011'Multilayer optical film'20169,415,561'Post-formed successively peelable coextruded polymer film'20169,303,157'Mixtures of polydiorganosiloxane polyamide-containing components and organic polymers'20169,290,684'Polydiorganosiloxane polymide copolymers having organic soft segments'20169,278,479'Apparatus for linear friction welding'20169,233,501'Apparatus for linear friction welding'20169,119,289'Film constructions for interdigitated electrodes with bus bars and methods of making same'20159,102,131'Textured film and process for manufacture thereof'20159,069,136'Optical stack having birefringent layer of optically symmetrical crystallites'20159,046,656'Isotropic layer of multilayer optical film comprising birefringent thermoplastic polymer'20159,018,331'Polydiorganosiloxane polyamide copolymers having organic soft segments'20158,967,216'Linear friction welder with helical groove'20158,854,730'Negatively birefringent polyesters and optical films'20148,792,165'Internally patterned multilayer optical films with multiple birefringent layers'20148,753,712'Method of producing a component of a device, and the resulting components and devices'20148,653,216'Branched polydiorganosiloxane polyamide copolymers'20148,623,988'Polydiorganosiloxane polyamide copolymers having organic soft segments'20148,524,370'Multilayer films including thermoplastic silicone block copolymers'20138,520,165'Optical film laminates'20138,431,668'Branched polydiorganosiloxane polyamide copolymers'20138,409,720'Optical body having polyacrylate skin layer'20138,376,210'Linear friction welder system and method'20138,361,626'Polydiorganosiloxane polyamide copolymers having organic soft segments'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'20128,181,841'Linear friction welder with rocker arms'20128,158,739'Branched polydiorganosiloxane polyamide copolymers'20128,124,713'Silicone polyoxamide and silicone polyoxamide-hydrazide copolymers'20128,070,039'Linear friction welder'20118,067,094'Films including thermoplastic silicone block copolymers'20118,063,166'Polydiorganosiloxane polyamide copolymers having organic soft segments'20118,013,098'Branched polydiorganosiloxane polyamide copolymers'20118,012,571'Optical film comprising birefringent naphthalate copolyester having branched or cyclic C4-C10 alkyl units'20117,981,995'Silicone polyoxamide and silicone polyoxamide-hydrazide copolymers'20117,915,370'Branched polydiorganosiloxane polyamide copolymers'20117,820,297'Multilayer films including thermoplastic silicone block copolymers'20107,727,633'Solar control glazing laminates'20107,705,103'Polydiorganosiloxane polyoxamide copolymers'20107,705,101'Branched polydiorganosiloxane polyamide copolymers'20107,678,526'Radiation curable thermal transfer elements'20107,507,776'Outdoor weatherable photopolymerizable coatings'20097,396,631'Radiation curable thermal transfer elements'20087,396,632'Thermal mass transfer substrate films, donor elements, and methods of making and using same'2008RE040287'Angular orientation control system for friction welding'20087,351,019'Clamping mechanism for an elongated workpiece'20087,297,400'Curable pressure sensitive adhesive compositions'20077,223,515'Thermal mass transfer substrate films, donor elements, and methods of making and using same'20077,153,588'UV resistant naphthalate polyester articles'2006RE039019'Angular orientation control system for friction welding'20066,991,851'Dry-peelable temporary protective coatings'20066,974,850'Outdoor weatherable photopolymerizable coatings'20056,887,917'Curable pressure sensitive adhesive compositions'20056,811,841'Light-stable structures'20046,673,275'Method for making optical devices from homopolymers'20046,654,170'Optical device having continuous and disperse phases'20036,627,300'Optical device containing polymeric material domains having different degrees of randomness'20036,613,819'Light stable articles'20036,354,581'Mechanism for clamping and holding an elongated workpiece'20026,325,515'Cube corner retroreflective article with enhanced pigmentation'20016,231,036'Mechanism for clamping and holding an elongated workpiece'20015,953,878'Polyvinyl deck'19995,858,142'Angular orientation control system for friction welding'19995,755,889'Solder recovery method and apparatus'19985,705,253'Video recording tapes suitable for high speed contact duplication'19985,249,954'Integrated imaging sensor/neural network controller for combustion systems'19934,266,752'Seal structure'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Based in Southhampton, GB· patent location history
1998Based in Oakdale, MN, US· patent location history
1999–2020Based in South Bend, IN, US· patent location history
2001–2020Patents assigned to 3M INNOVATIVE PROPERTIES CO (70)· patent assignee history
2001–2020Based in Woodbury, MN, US· patent location history
2011–2017Patents assigned to JOHNSON STEPHEN A (23)· patent assignee history
2011–2013Patents assigned to HANSEN RICHARD G (7)· patent assignee history
2011–2013Patents assigned to SHERMAN AUDREY A (6)· patent assignee history
2012–2020Patents assigned to APCI LLC (12)· patent assignee history
2017Based in Narrabri, AU· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
3M INNOVATIVE PROPERTIES CO702001–2020
JOHNSON STEPHEN Aself232011–2017
APCI LLC122012–2020
HANSEN RICHARD G72011–2013
SHERMAN AUDREY A62011–2013
Locations
LocationPatentsSpan
Woodbury, Minnesota, US722001–2020
South Bend, IN, US201999–2020
Narrabri, AU12017
Southhampton, GB11998
Oakdale, Minnesota, US11998