Inventor
Srinivasan Chakrapani
Inventor
Bridgewater, NJ, US
Overview
Patents· 14 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 therein16%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices13%
C09KMaterials for miscellaneous applications, not provided for elsewhere11%
G02BOptical elements, systems or apparatus11%
C07DHeterocyclic compounds8%
C07CAcyclic or carbocyclic compounds5%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds5%
C09DCoating compositions, e.g. paints, varnishes or lacquers5%
B29CShaping or joining of plastics3%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
PatentTitleYear
8,697,336'Composition for forming a developable bottom antireflective coating'20148,632,948'Positive-working photoimageable bottom antireflective coating'20148,623,589'Bottom antireflective coating compositions and processes thereof'20148,252,503'Photoresist compositions'20127,847,033'Materials and methods for improving properties of SPD emulsions and films'20107,491,482'Photoactive compounds'20097,361,252'Methods for laminating films for SPD light valves and SPD light valves incorporating such laminated films'20086,936,193'Suspended particle device light valve film'20056,900,923'Siloxane matrix polymers and SPD light valve films incorporating same'20056,416,827'SPD films and light valves comprising same'20026,414,168'Epoxidation of ricinic compounds using a phase-transfer catalyst'20026,301,040'SPD films having improved properties and light valves comprising same'20016,051,725'Epoxidation of ricinic compounds using a phase-transfer catalyst'20005,969,167'Method for making tris(hydroxyphenyl) compounds using ion exchange resins'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999Based in Pune, IN· patent location history
2000–2002Patents assigned to CASCHEM INC (2)· patent assignee history
2000–2002Based in Huntington, NY, US· patent location history
2001–2010Patents assigned to RESEARCH FRONTIERS INC (6)· patent assignee history
2002–2008Based in Commack, NY, US· patent location history
2009–2014Patents assigned to AZ ELECTRONIC MATERIALS USA (5)· patent assignee history
2009–2014Based in Bridgewater, NJ, US· patent location history
2012–2014Patents assigned to CHAKRAPANI SRINIVASAN (4)· patent assignee history
2012–2014Patents assigned to PADMANABAN MUNIRATHNA (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RESEARCH FRONTIERS INC | 6 | 2001–2010 |
| AZ ELECTRONIC MATERIALS USA | 5 | 2009–2014 |
| CHAKRAPANI SRINIVASANself | 4 | 2012–2014 |
| PADMANABAN MUNIRATHNA | 4 | 2012–2014 |
| CASCHEM INC | 2 | 2000–2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bridgewater, New Jersey, US | 6 | 2009–2014 |
| Commack, New York, US | 4 | 2002–2008 |
| Huntington, New York, US | 3 | 2000–2002 |
| Pune, IN | 1 | 1999 |