Inventor
Michael K. O'Brien
Inventor
Berwyn, PA, US
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds12%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments9%
C09KMaterials for miscellaneous applications, not provided for elsewhere9%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations7%
C07CAcyclic or carbocyclic compounds7%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%
C08LCompositions of macromolecular compounds7%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%
Y10TTechnical subjects covered by former us classification7%
Y02PClimate change mitigation technologies in the production or processing of goods5%
PatentTitleYear
11,129,587Systems and methods for detecting neurological conditions202111,090,026Systems and methods for determining clinical indications20219,682,856'MEMS force sensors fabricated using paper substrates'20179,367,956'Windowed simulation in fluid flows'20169,177,419'Advection of UV texture maps in fluid flows'20156,433,209'Alpha-substitution of unprotected -amino ester compounds'20026,433,172'Steroespecific preparation of chiral 1-aryl- and 1-heteroaryl-2-substituted ethyl-2-amines'20026,429,315'Process for preparing N6-substituted adenosine derivatives'20026,184,382'Process for preparing N6-substituted adenosine derivatives'20016,143,894'Preparation of [1S-[1A,2B,3B,4A(S*)]]-4-[7-[[1-(3-chloro-2-thienyl)methyl propyl]amino] -3H-imidazo[4,5-B]pyridin-3-yl]-N-ethyl-2,3-dihydroxycyclopentanecarboxa mide'20006,127,550'Stereospecific preparation of chiral 1-aryl-and 1-heteroaryl-2-substituted ethyl-2-amines'20005,886,192'L-tartaric acid salt of a (1R) diastereomer of a 2-azadihydroxybicyclo›2.2.1!heptane compound and the preparation of 2-azabicyclo›2.2.1!heptane compounds'19995,831,096'L-tartaric acid salt of a (1R) diastereomer of a 2-azadihydroxybicyclo›2.2.1!heptane compound and the preparation of 2-azabicyclo›2.2.1! heptane compounds'19985,808,093'L-tartaric acid salt of a (1R) diastereomer of a 2-azadihydroxybicyclo›2.2.1!heptane compound and the preparation of 2-azabicyclo›2.2.1!heptane compounds'19985,714,304'Nonlinear optical media of organosilicon crosslinked polymer'19985,684,159'L-tartaric acid salt of a (1R) diastereomer of a 2-azadihydroxybicyclo›2.2.1!heptane compound and the preparation of 2-azabicyclo›2.2.1!heptane compounds'19975,663,308'Organosilicon polymers, and dyes, exhibiting nonlinear optical response'19975,605,726'Organosilicon polymers, and dyes, exhibiting nonlinear optical response'19975,589,100'Dichroic azo dyes'19965,326,865'Arylazo and poly(arylazo) dyes having at least one core radical selected from naphthyl or anthracyl and having at least one 2,3-dihydro-1,3-dialkyl perimidine substituent'19945,298,588'Organosilicon polymers, and dyes, exhibiting nonlinear optical response'19945,254,655'Organosilicon polymers, and dyes, exhibiting nonlinear optical response'19934,454,419'Photo-optical snap-on paper path sensor'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1998Patents assigned to HERCULES INC (6)· patent assignee history
1993–1997Based in New Castle, DE, US· patent location history
1994–1996Based in Wilmington, DE, US· patent location history
1997–1999Patents assigned to RHONE POULENC RORER SA (4)· patent assignee history
1997–2002Based in Berwyn, PA, US· patent location history
2000–2001Patents assigned to AVENTIS PHARM PROD INC (2)· patent assignee history
2002Patents assigned to AVENTIS PHARMA INC (3)· patent assignee history
2015–2016Based in Albany, CA, US· patent location history
2021Patents assigned to NOVASIGNAL CORP (2)· patent assignee history
2021Based in Los Angeles, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HERCULES INC | 6 | 1993–1998 |
| RHONE POULENC RORER SA | 4 | 1997–1999 |
| AVENTIS PHARMA INC | 3 | 2002 |
| AVENTIS PHARM PROD INC | 2 | 2000–2001 |
| NOVASIGNAL CORP | 2 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Berwyn, Pennsylvania, US | 12 | 1997–2002 |
| New Castle, Delaware, US | 3 | 1993–1997 |
| Los Angeles, California, US | 2 | 2021 |
| Albany, California, US | 2 | 2015–2016 |
| Wilmington, Delaware, US | 2 | 1994–1996 |