Nanayakkara L. D. Somasiri

Person

St. Paul, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Dielectric material with enhanced breakdown strength
- Patent number 10,121,570
- Issue date Nov 6, 2018
- 3M Innovative Properties Company
- Nanayakkara L. D. Somasiri
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method of making an electrical stress control device having a diele...
- Patent number 9,390,833
- Issue date Jul 12, 2016
- 3M Innovative Properties Company
- Andrew C. Lottes
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Dielectric material with non-linear dielectric constant
- Patent number 9,349,498
- Issue date May 24, 2016
- 3M Innovative Properties Company
- Andrew C. Lottes
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Dielectric material with non-linear dielectric constant
- Patent number 8,974,706
- Issue date Mar 10, 2015
- 3M Innovative Properties Company
- Nanayakkara L. D. Somasiri
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Compositions having non-linear current-voltage characteristics
- Patent number 8,435,427
- Issue date May 7, 2013
- 3M Innovative Properties Company
- Dipankar Ghosh
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Photoimageable, aqueous acid soluble polyimide polymers
- Patent number 6,559,245
- Issue date May 6, 2003
- 3M Innovative Properties Company
- Guoping Mao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Photoimageable, aqueous acid soluble polyimide polymers
- Patent number 6,379,865
- Issue date Apr 30, 2002
- 3M Innovative Properties Company
- Guoping Mao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for altering cable semiconductive layer
- Patent number 5,973,266
- Issue date Oct 26, 1999
- 3M Innovative Properties Company
- Gary A. Shreve
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for altering cable semiconductive layer
- Patent number 5,885,651
- Issue date Mar 23, 1999
- Minnesota Mining and Manufacturing Company
- Gary A. Shreve
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for altering cable semiconductive layer
- Patent number 5,770,257
- Issue date Jun 23, 1998
- Minnesota Mining and Manufacturing Company
- Gary A. Shreve
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Static dissipative electronic packaging article
- Patent number 5,609,969
- Issue date Mar 11, 1997
- Minnesota Mining and Manufacturing Company
- William J. Clatanoff
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Polyimide substrate having a textured surface and metallizing such...
- Patent number 4,975,327
- Issue date Dec 4, 1990
- Minnesota Mining and Manufacturing Company
- Nanayakkara L. D. Somasiri
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
DIELECTRIC MATERIAL WITH ENHANCED BREAKDOWN STRENGTH
- Publication number 20170250008
- Publication date Aug 31, 2017
- 3M Innovative Properties Company
- Nanayakkara L.D. SOMASIRI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
DIELECTRIC MATERIAL WITH NON-LINEAR DIELECTRIC CONSTANT
- Publication number 20150137047
- Publication date May 21, 2015
- 3M Innovative Properties Company
- Andrew C. Lottes
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF MAKING AN ELECTRICAL STRESS CONTROL DEVICE HAVING A DIELE...
- Publication number 20150108414
- Publication date Apr 23, 2015
- 3M Innovative Properties Company
- Andrew C. Lottes
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOSITIONS HAVING NON-LINEAR CURRENT-VOLTAGE CHARACTERISTICS
- Publication number 20120049135
- Publication date Mar 1, 2012
- 3M Innovative Properties Company
- Dipankar Ghosh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DIELECTRIC MATERIAL WITH NON-LINEAR DIELECTRIC CONSTANT
- Publication number 20110140052
- Publication date Jun 16, 2011
- 3M Innovative Properties Company
- Nanayakkara L.D. Somasiri
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Microfluidic device having hydrophilic microchannels
- Publication number 20070139451
- Publication date Jun 21, 2007
- Nanayakkara L.D. Somasiri
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Etchant rinse method
- Publication number 20060266731
- Publication date Nov 30, 2006
- Steven Y. Yu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Photoimageable, aqueous acid soluble polyimide polymers
- Publication number 20030211425
- Publication date Nov 13, 2003
- 3M Innovative Properties Company
- Guoping Mao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Photoimageable, aqueous acid soluble polyimide polymers
- Publication number 20020086236
- Publication date Jul 4, 2002
- 3M Innovative Properties Company
- Hany B. Eitouni
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Nanayakkara L. D. Somasiri

Person

Patents Grantslast 30 patents

Dielectric material with enhanced breakdown strength

Method of making an electrical stress control device having a diele...

Dielectric material with non-linear dielectric constant

Dielectric material with non-linear dielectric constant

Compositions having non-linear current-voltage characteristics

Photoimageable, aqueous acid soluble polyimide polymers

Photoimageable, aqueous acid soluble polyimide polymers

Method for altering cable semiconductive layer

Method for altering cable semiconductive layer

Method for altering cable semiconductive layer

Static dissipative electronic packaging article

Polyimide substrate having a textured surface and metallizing such...

Patents Applicationslast 30 patents

DIELECTRIC MATERIAL WITH ENHANCED BREAKDOWN STRENGTH

DIELECTRIC MATERIAL WITH NON-LINEAR DIELECTRIC CONSTANT

METHOD OF MAKING AN ELECTRICAL STRESS CONTROL DEVICE HAVING A DIELE...

COMPOSITIONS HAVING NON-LINEAR CURRENT-VOLTAGE CHARACTERISTICS

DIELECTRIC MATERIAL WITH NON-LINEAR DIELECTRIC CONSTANT

Microfluidic device having hydrophilic microchannels

Etchant rinse method

Photoimageable, aqueous acid soluble polyimide polymers

Photoimageable, aqueous acid soluble polyimide polymers