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Pranab K. Raychaudhuri
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Rochester, NY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Making a cathode structure for OLEDs
Patent number
8,241,467
Issue date
Aug 14, 2012
Global OLED Technology LLC
Pranab K. Raychaudhuri
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Top-emitting OLED device with improved-off axis viewing performance
Patent number
7,309,956
Issue date
Dec 18, 2007
Eastman Kodak Company
Pranab K. Raychaudhuri
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic light emitting device having improved stability
Patent number
7,157,156
Issue date
Jan 2, 2007
Eastman Kodak Company
Pranab K. Raychaudhuri
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic light emitting diode with improved light emission through s...
Patent number
7,049,741
Issue date
May 23, 2006
Eastman Kodak Company
Joseph K. Madathil
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic light emitting diode with improved light emission through t...
Patent number
7,002,293
Issue date
Feb 21, 2006
Eastman Kodak Company
Joseph K. Madathil
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Highly transparent top electrode for OLED device
Patent number
6,875,320
Issue date
Apr 5, 2005
Eastman Kodak Company
Pranab K. Raychaudhuri
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic light-emitting device structure using metal cathode sputtering
Patent number
6,797,129
Issue date
Sep 28, 2004
Eastman Kodak Company
Pranab K. Raychaudhuri
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic electroluminescent device having an adhesion-promoting laye...
Patent number
6,794,061
Issue date
Sep 21, 2004
Eastman Kodak Company
Liang-Sheng L. Liao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High work function metal alloy cathode used in organic electrolumin...
Patent number
6,765,349
Issue date
Jul 20, 2004
Eastman Kodak Company
Liang-Sheng Liao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cathode layer in organic light-emitting diode devices
Patent number
6,579,629
Issue date
Jun 17, 2003
Eastman Kodak Company
Pranab K. Raychaudhuri
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High contrast light-emitting diode devices
Patent number
6,558,820
Issue date
May 6, 2003
Eastman Kodak Company
Pranab K. Raychaudhuri
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Inorganic buffer structure for organic light-emitting diode devices
Patent number
6,551,725
Issue date
Apr 22, 2003
Eastman Kodak Company
Pranab K. Raychaudhuri
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron-injecting layer providing a modified interface between an...
Patent number
6,172,459
Issue date
Jan 9, 2001
Eastman Kodak Company
Liang S. Hung
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Recordable optical element using low absorption materials
Patent number
6,168,901
Issue date
Jan 2, 2001
Eastman Kodak Company
Yuan-Sheng Tyan
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording element with an interfacial layer between the rec...
Patent number
5,972,458
Issue date
Oct 26, 1999
Eastman Kodak Company
Pranab K. Raychaudhuri
G11 - INFORMATION STORAGE
Information
Patent Grant
Recordable optical disks with dielectric interlayer
Patent number
5,879,773
Issue date
Mar 9, 1999
Eastman Kodak Company
Tukaram K. Hatwar
G11 - INFORMATION STORAGE
Information
Patent Grant
High performance media for optical recording
Patent number
5,843,553
Issue date
Dec 1, 1998
Eastman Kodak Company
George R. Olin
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of forming recordable optical element using low absorption m...
Patent number
5,770,293
Issue date
Jun 23, 1998
Eastman Kodak Company
Pranab K. Raychaudhuri
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Recording media for recordable element
Patent number
5,733,623
Issue date
Mar 31, 1998
Eastman Kodak Company
Pranab K. Raychaudhuri
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of forming recordable optical element using low absorption m...
Patent number
5,725,741
Issue date
Mar 10, 1998
Eastman Kodak Company
Pranab K. Raychaudhuri
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Recordable optical element using low absorption materials
Patent number
5,585,158
Issue date
Dec 17, 1996
Eastman Kodak Company
Pranab K. Raychaudhuri
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording media
Patent number
5,312,664
Issue date
May 17, 1994
Eastman Kodak Company
Pranab K. Raychaudhuri
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Optical recording media
Patent number
5,234,803
Issue date
Aug 10, 1993
Eastman Kodak Company
Pranab K. Raychaudhuri
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Phase-change optical recording media
Patent number
5,055,331
Issue date
Oct 8, 1991
Eastman Kodak Company
Pranab K. Raychaudhuri
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording element and alloy for use therein
Patent number
4,904,577
Issue date
Feb 27, 1990
Yuan-Sheng Tyan
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Thin film amorphous optical recording films
Patent number
4,710,452
Issue date
Dec 1, 1987
Eastman Kodak Company
Pranab K. Raychaudhuri
G11 - INFORMATION STORAGE
Information
Patent Grant
CdTe Barrier type photovoltaic cells with enhanced open-circuit vol...
Patent number
RE30412
Issue date
Oct 7, 1980
Eastman Kodak Company
Pranab K. Raychaudhuri
136 - Batteries: thermoelectric and photoelectric
Information
Patent Grant
Barrier type photovoltaic cells with enhanced open-circuit voltage,...
Patent number
4,035,197
Issue date
Jul 12, 1977
Eastman Kodak Company
Pranab Kumar Raychaudhuri
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Top-emitting OLED device with improved stability
Publication number
20070222371
Publication date
Sep 27, 2007
Eastman Kodak Company
Pranab K. Raychaudhuri
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Top-emitting OLED device with improved performance
Publication number
20060158098
Publication date
Jul 20, 2006
Eastman Kodak Company
Pranab K. Raychaudhuri
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Making a cathode structure for OLEDS
Publication number
20060035015
Publication date
Feb 16, 2006
Eastman Kodak Company
Pranab K. Raychaudhuri
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Organic light emitting device having improved stability
Publication number
20050208330
Publication date
Sep 22, 2005
Eastman Kodak Company
Pranab K. Raychaudhuri
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Fabricating an electrode for use in organic electronic devices
Publication number
20050175770
Publication date
Aug 11, 2005
Eastman Kodak Company
Liang-Sheng Liao
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Organic light emitting diode with improved light emission through s...
Publication number
20050162074
Publication date
Jul 28, 2005
Eastman Kodak Company
Joseph K. Madathil
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Organic light emitting diode with improved light emission through t...
Publication number
20050162075
Publication date
Jul 28, 2005
Eastman Kodak Company
Joseph K. Madathil
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Highly transparent top electrode for OLED device
Publication number
20040222737
Publication date
Nov 11, 2004
Eastman Kodak Company
Pranab K. Raychaudhuri
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Microcavity OLED device
Publication number
20040155576
Publication date
Aug 12, 2004
Eastman Kodak Company
Yuan-Sheng Tyan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Organic light emitting device (OLED) display with improved light em...
Publication number
20040140758
Publication date
Jul 22, 2004
Eastman Kodak Company
Pranab K. Raychaudhuri
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Microcavity OLED devices
Publication number
20040140757
Publication date
Jul 22, 2004
Eastman Kodak Company
Yuan-Sheng Tyan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
High work function metal alloy cathode used in organic electrolumin...
Publication number
20040061435
Publication date
Apr 1, 2004
Eastman Kodak Company
Liang-Sheng Liao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Organic light-emitting device structure using metal cathode sputtering
Publication number
20030224203
Publication date
Dec 4, 2003
Eastman Kodak Company
Pranab K. Raychaudhuri
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Sputtered cathode for an organic light-emitting device having an al...
Publication number
20030224204
Publication date
Dec 4, 2003
Eastman Kodak Company
Pranab K. Raychaudhuri
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Organic electroluminescent device having an adhesion-promoting laye...
Publication number
20030152801
Publication date
Aug 14, 2003
Eastman Kodak Company
Liang-Sheng L. Liao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Sputtered cathode having a heavy alkaline metal halide-in an organi...
Publication number
20030129447
Publication date
Jul 10, 2003
Eastman Kodak Company
Joseph K. Madathil
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
High contrast light-emitting diode devices
Publication number
20030035978
Publication date
Feb 20, 2003
Eastman Kodak Company
Pranab K. Raychaudhuri
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Inorganic buffer structure for organic light-emitting diode devices
Publication number
20020185969
Publication date
Dec 12, 2002
Eastman Kodak Company
Pranab K. Raychaudhuri
H01 - BASIC ELECTRIC ELEMENTS