Utpal Kumar Chakrabarti

Person

Breinigsville, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing an optical communication device
- Patent number 10,735,101
- Issue date Aug 4, 2020
- Cisco Technology, Inc.
- Stefan Pfnuer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing an optical communication device
- Patent number 9,755,752
- Issue date Sep 5, 2017
- Cisco Technology, Inc.
- Stefan Pfnuer
- G02 - OPTICS
Information Patent Grant
Protective interface in silicon carbide semiconductor devices
- Patent number 9,276,069
- Issue date Mar 1, 2016
- Global Power Technologies Group, Inc.
- Utpal K. Chakrabarti
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Self-aligning optical connector assembly
- Patent number 9,235,019
- Issue date Jan 12, 2016
- Cisco Technology, Inc.
- Kalpendu Shastri
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Silicon carbide semiconductor devices
- Patent number 9,219,122
- Issue date Dec 22, 2015
- Global Power Technologies Group, Inc.
- Michael MacMillan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lid design to seal optical components of a transceiver module
- Patent number 9,151,950
- Issue date Oct 6, 2015
- Cisco Technology, Inc.
- Kishor V. Desai
- G02 - OPTICS
Information Patent Grant
Self-aligning connectorized fiber array assembly
- Patent number 8,876,410
- Issue date Nov 4, 2014
- Cisco Technology, Inc.
- Kalpendu Shastri
- G02 - OPTICS
Information Patent Grant
SiC single crystals with reduced dislocation density grown by step-...
- Patent number 8,871,025
- Issue date Oct 28, 2014
- II-VI Incorporated
- Avinash Gupta
- C30 - CRYSTAL GROWTH
Information Patent Grant
Annealing of semi-insulating CdZnTe crystals
- Patent number 8,268,663
- Issue date Sep 18, 2012
- II-VI Incorporated
- Csaba Szeles
- C30 - CRYSTAL GROWTH
Information Patent Grant
Radiation detector crystal and method of formation thereof
- Patent number 7,612,345
- Issue date Nov 3, 2009
- Endicott Interconnect Technologies, Inc.
- Csaba Szeles
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Passivated optical device and method of forming the same
- Patent number 6,744,796
- Issue date Jun 1, 2004
- TriQuint Technology Holding Co.
- Utpal Kumar Chakrabarti
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method of fabrication
- Patent number 6,734,036
- Issue date May 11, 2004
- Agere Systems Inc.
- Utpal Kumar Chakrabarti
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
E-beam deposition method and apparatus for providing high purity ox...
- Patent number 6,638,857
- Issue date Oct 28, 2003
- TriQuint Technology Holding Co.
- Utpal Kumar Chakrabarti
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method and device for preventing zinc/iron interaction in a semicon...
- Patent number 6,556,605
- Issue date Apr 29, 2003
- Triquent Technology Holding, Co.
- Gleb E. Shtengel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Non-hermetic APD
- Patent number 6,489,659
- Issue date Dec 3, 2002
- Agere Systems Inc.
- Utpal Kumar Chakrabarti
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor devices which utilize low K dielectrics
- Patent number 6,437,425
- Issue date Aug 20, 2002
- Agere Systems Guardian Corp.
- Utpal Kumar Chakrabarti
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser processing fixture
- Patent number 6,386,533
- Issue date May 14, 2002
- Agere Systems Guardian Corp.
- Utpal Kumar Chakrabarti
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Semiconductor device with high-temperature ohmic contact and method...
- Patent number 6,320,265
- Issue date Nov 20, 2001
- Lucent Technologies Inc.
- Utpal K. Chakrabarti
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical device including carbon-doped contact layers
- Patent number 6,317,444
- Issue date Nov 13, 2001
- Agere System Optoelectronics Guardian Corp.
- Utpal Kumar Chakrabarti
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Anvil pad configuration for laser cleaving
- Patent number 6,247,625
- Issue date Jun 19, 2001
- Lucent Technologies, Inc.
- Utpal Kumar Chakrabarti
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Focused ion beam formation of angled optoelectronic devices
- Patent number 6,214,178
- Issue date Apr 10, 2001
- Lucent Technologies, Inc.
- Utpal Kumar Chakrabarti
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Incrementally continuous laser cleaving process
- Patent number 6,098,862
- Issue date Aug 8, 2000
- Lucent Technologies Inc.
- Utpal Kumar Chakrabarti
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Laser bar cleaving apparatus
- Patent number 6,048,747
- Issue date Apr 11, 2000
- Lucent Technologies, Inc.
- Utpal Kumar Chakrabarti
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and fixture for laser bar facet coating
- Patent number 6,037,006
- Issue date Mar 14, 2000
- Lucent Technologies Inc.
- Utpal Kumar Chakrabarti
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for making multiple wavelength semiconductor lasers on a sin...
- Patent number 6,033,926
- Issue date Mar 7, 2000
- Lucent Technologies Inc.
- Utpal Kumar Chakrabarti
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and fixture for laser bar facet coating
- Patent number 5,911,830
- Issue date Jun 15, 1999
- Lucent Technologies Inc.
- Utpal Kumar Chakrabarti
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Tantalum-aluminum oxide coatings for semiconductor devices
- Patent number 5,802,091
- Issue date Sep 1, 1998
- Lucent Technologies Inc.
- Utpal Kumar Chakrabarti
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fixture and method for laser fabrication by in-situ cleaving of sem...
- Patent number 5,719,077
- Issue date Feb 17, 1998
- Lucent Technologies Inc.
- Utpal Kumar Chakrabarti
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method of making a GaAs-based laser comprising a facet coating with...
- Patent number 5,668,049
- Issue date Sep 16, 1997
- Lucent Technologies Inc.
- Utpal Kumar Chakrabarti
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Coating for optical devices
- Patent number 4,749,255
- Issue date Jun 7, 1988
- American Telephone and Telegraph Company, AT&T Bell Laboratories
- Utpal K. Chakrabarti
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR MANUFACTURING AN OPTICAL COMMUNICATION DEVICE
- Publication number 20170331557
- Publication date Nov 16, 2017
- Cisco Technology, Inc.
- Stefan Pfnuer
- G02 - OPTICS
Information Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICES
- Publication number 20160172481
- Publication date Jun 16, 2016
- Global Power Technologies Group, Inc.
- Michael MacMillan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD AND SYSTEM FOR MANUFACTURING AN OPTICAL COMMUNICATION DEVICE
- Publication number 20150121683
- Publication date May 7, 2015
- Cisco Technology, Inc.
- Stefan Pfnuer
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SELF-ALIGNING CONNECTORIZED FIBER ARRAY ASSEMBLY
- Publication number 20150016784
- Publication date Jan 15, 2015
- Cisco Technology, Inc.
- Kalpendu SHASTRI
- G02 - OPTICS
Information Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICES
- Publication number 20140264382
- Publication date Sep 18, 2014
- GLOBAL POWER DEVICE COMPANY
- Michael MacMillan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PROTECTIVE INTERFACE IN SILICON CARBIDE SEMICONDUCTOR DEVICES
- Publication number 20140145211
- Publication date May 29, 2014
- GLOBAL POWER DEVICES COMPANY
- Utpal K. Chakrabarti
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Lid Design to Seal Optical Components of a Transceiver Module
- Publication number 20140043685
- Publication date Feb 13, 2014
- Cisco Technology, Inc.
- Kishor V. Desai
- G02 - OPTICS
Information Patent Application
Packaging Platform For Opto-Electronic Assemblies Using Silicon-Bas...
- Publication number 20130188970
- Publication date Jul 25, 2013
- Kalpendu Shastri
- G02 - OPTICS
Information Patent Application
Self-Aligning Connectorized Fiber Array Assembly
- Publication number 20130183008
- Publication date Jul 18, 2013
- Kalpendu Shastri
- B82 - NANO-TECHNOLOGY
Information Patent Application
ANNEALING OF SEMI-INSULATING CdZnTe CRYSTALS
- Publication number 20110136287
- Publication date Jun 9, 2011
- II-VI Incorporated
- Csaba Szeles
- C30 - CRYSTAL GROWTH
Information Patent Application
SIC SINGLE CRYSTALS WITH REDUCED DISLOCATION DENSITY GROWN BY STEP-...
- Publication number 20100031877
- Publication date Feb 11, 2010
- II-VI Incorporated
- Avinash Gupta
- C30 - CRYSTAL GROWTH
Information Patent Application
Radiation Detector With Asymmetric Contacts
- Publication number 20090250692
- Publication date Oct 8, 2009
- EV PRODUCTS, INC.
- Csaba Szeles
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Radiation detector crystal and method of formation thereof
- Publication number 20090041648
- Publication date Feb 12, 2009
- Csaba Szeles
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Optical waveguide devices and method of fabrication
- Publication number 20030091257
- Publication date May 15, 2003
- Utpal Kumar Chakrabarti
- G02 - OPTICS
Information Patent Application
Semiconductor device and method of fabrication
- Publication number 20030001241
- Publication date Jan 2, 2003
- Agere Systems Guardian Corp.
- Utpal Kumar Chakrabarti
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Non-hermetic APD
- Publication number 20020104989
- Publication date Aug 8, 2002
- Utpal Kumar Chakrabarti
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL DEVICE INCLUDING CARBON-DOPED CONTACT LAYERS
- Publication number 20010040907
- Publication date Nov 15, 2001
- UTPAL KUMAR CHAKRABARTI
- H01 - BASIC ELECTRIC ELEMENTS

Utpal Kumar Chakrabarti

Person

Patents Grantslast 30 patents

Method for manufacturing an optical communication device

Method for manufacturing an optical communication device

Protective interface in silicon carbide semiconductor devices

Self-aligning optical connector assembly

Silicon carbide semiconductor devices

Lid design to seal optical components of a transceiver module

Self-aligning connectorized fiber array assembly

SiC single crystals with reduced dislocation density grown by step-...

Annealing of semi-insulating CdZnTe crystals

Radiation detector crystal and method of formation thereof

Passivated optical device and method of forming the same

Semiconductor device and method of fabrication

E-beam deposition method and apparatus for providing high purity ox...

Method and device for preventing zinc/iron interaction in a semicon...

Non-hermetic APD

Semiconductor devices which utilize low K dielectrics

Laser processing fixture

Semiconductor device with high-temperature ohmic contact and method...

Optical device including carbon-doped contact layers

Anvil pad configuration for laser cleaving

Focused ion beam formation of angled optoelectronic devices

Incrementally continuous laser cleaving process

Laser bar cleaving apparatus

Method and fixture for laser bar facet coating

Method for making multiple wavelength semiconductor lasers on a sin...

Method and fixture for laser bar facet coating

Tantalum-aluminum oxide coatings for semiconductor devices

Fixture and method for laser fabrication by in-situ cleaving of sem...

Method of making a GaAs-based laser comprising a facet coating with...

Coating for optical devices

Patents Applicationslast 30 patents

METHOD AND SYSTEM FOR MANUFACTURING AN OPTICAL COMMUNICATION DEVICE

SILICON CARBIDE SEMICONDUCTOR DEVICES

METHOD AND SYSTEM FOR MANUFACTURING AN OPTICAL COMMUNICATION DEVICE

SELF-ALIGNING CONNECTORIZED FIBER ARRAY ASSEMBLY

SILICON CARBIDE SEMICONDUCTOR DEVICES

PROTECTIVE INTERFACE IN SILICON CARBIDE SEMICONDUCTOR DEVICES

Lid Design to Seal Optical Components of a Transceiver Module

Packaging Platform For Opto-Electronic Assemblies Using Silicon-Bas...

Self-Aligning Connectorized Fiber Array Assembly

ANNEALING OF SEMI-INSULATING CdZnTe CRYSTALS

SIC SINGLE CRYSTALS WITH REDUCED DISLOCATION DENSITY GROWN BY STEP-...

Radiation Detector With Asymmetric Contacts

Radiation detector crystal and method of formation thereof

Optical waveguide devices and method of fabrication

Semiconductor device and method of fabrication

Non-hermetic APD

OPTICAL DEVICE INCLUDING CARBON-DOPED CONTACT LAYERS