Inventor
James J. O'Brien
Inventor
Midland, MI, US
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere11%
H10KOrganic electric solid-state devices10%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
C04BLime, magnesia5%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%
H05BElectric heating5%
A61BDiagnosis3%
B29CShaping or joining of plastics3%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts3%
PatentTitleYear
10,574,178Photovoltaic elements including drainage elements20209,745,227'Method for applying discriminating layer onto porous ceramic filters'20179,550,700'Porous mullite bodies having improved thermal stability'20179,481,605'Porous mullite bodies having improved thermal stability'20169,399,702'Crosslinkable arylamine compounds and conjugated oligomers or polymers based thereon'20168,965,106'Detecting image inconsistencies'20158,475,700'Oriented polymer composition with a deoriented surface layer'20138,071,769'Aromatic monomer- and conjugated polymer-metal complexes'20118,034,882'Biscarbazol-9-yl-substituted triarylamine-containing polymers and electronic devices'20117,824,756'Oriented polymer composition with a deoriented surface layer'20107,705,528'Aromatic monomer-and conjugated polymer-metal complexes'20107,707,022'Multiple device scan chain emulation/debugging'20107,651,746'Halogenated bisdiarylaminopolycyclic aromatic compounds and polymers thereof'20107,517,472'Blend of viscosity modifier and luminescent compound'20096,886,110'Multiple device scan chain emulation/debugging'20056,815,505'Electroactive polymers and devices made therefrom'20046,712,470'System and method for measuring vision'20046,575,575'Moveable power operated instrument stand'20035,322,916'Method for the preparation of amide oligomers and polybenzazole polymers therefrom'19945,194,527'Preparation of ketone containing photodegradable polymers'19935,145,924'Free radical polymerization of styrene monomer'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1994Patents assigned to DOW CHEMICAL CO (3)· patent assignee history
1992–2020Based in Midland, MI, US· patent location history
2003–2004Based in Quakertown, PA, US· patent location history
2004–2010Patents assigned to DOW GLOBAL TECHNOLOGIES INC (3)· patent assignee history
2005–2010Based in Hull, MA, US· patent location history
2010–2016Patents assigned to SUMITOMO CHEMICAL CO (5)· patent assignee history
2011–2017Patents assigned to O'BRIEN JAMES J (3)· patent assignee history
2015Based in Berkeley, CA, US· patent location history
2016–2020Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO CHEMICAL CO | 5 | 2010–2016 |
| DOW GLOBAL TECHNOLOGIES LLC | 4 | 2016–2020 |
| DOW CHEMICAL CO | 3 | 1992–1994 |
| DOW GLOBAL TECHNOLOGIES INC | 3 | 2004–2010 |
| O'BRIEN JAMES Jself | 3 | 2011–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Midland, MI, US | 16 | 1992–2020 |
| Hull, Massachusetts, US | 2 | 2005–2010 |
| Quakertown, Pennsylvania, US | 2 | 2003–2004 |
| Berkeley, California, US | 1 | 2015 |