Subir Das

Person

South Brunswich, NJ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Data type encoding for media independent handover
- Patent number 9,526,040
- Issue date Dec 20, 2016
- Toshiba America Research, Inc.
- Yoshihiro Oba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Self organizing IP multimedia subsystem
- Patent number 9,094,412
- Issue date Jul 28, 2015
- Telecordia Technologies, Inc.
- Ashutosh Dutta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Security optimization for IMS/MMD architecture
- Patent number 9,025,771
- Issue date May 5, 2015
- Telcordia Technologies, Inc.
- Ashutosh Dutta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
P-CSCF fast handoff for IMS/MMS architecture
- Patent number 8,971,291
- Issue date Mar 3, 2015
- Telcordia Technologies, Inc.
- Ashutosh Dutta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
PLMN selection and inter-system mobility policy conflict resolution...
- Patent number 8,971,239
- Issue date Mar 3, 2015
- Kabushiki Kaisha Toshiba
- Yoshihiro Oba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network discovery mechanisms
- Patent number 8,929,330
- Issue date Jan 6, 2015
- Toshiba America Research, Inc.
- Kenichi Taniuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key management device, system and method having a rekey mechanism
- Patent number 8,886,935
- Issue date Nov 11, 2014
- Kabushiki Kaisha Toshiba
- Yoshihiro Ohba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Prioritized query
- Patent number 8,781,473
- Issue date Jul 15, 2014
- Toshiba America Research, Inc.
- Yoshihiro Oba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network discovery mechanisms
- Patent number 8,717,931
- Issue date May 6, 2014
- Toshiba America Research, Inc.
- Kenichi Taniuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bootstrapping kerberos from EAP (BKE)
- Patent number 8,707,416
- Issue date Apr 22, 2014
- Toshiba America Research, Inc.
- Yoshihiro Oba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobility policy updates for mobile devices
- Patent number 8,681,648
- Issue date Mar 25, 2014
- Telcordia Technologies, Inc.
- David Famolari
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Proxy mobile IP
- Patent number 8,670,407
- Issue date Mar 11, 2014
- Telcordia Technologies, Inc.
- Ashutosh Dutta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Flexible mobility framework for heterogeneous roaming in next gener...
- Patent number 8,625,551
- Issue date Jan 7, 2014
- Telcordia Technologies, Inc.
- Ashutosh Dutta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Public land mobile network selection procedures for simultaneous ne...
- Patent number 8,611,280
- Issue date Dec 17, 2013
- Telcordia Technologies, Inc.
- Raquel Morera
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
EAP method for EAP extension (EAP-EXT)
- Patent number 8,583,923
- Issue date Nov 12, 2013
- Toshiba America Research, Inc.
- Yoshihiro Oba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods of mitigation of trombone routing in an IMS/MMD network
- Patent number 8,565,186
- Issue date Oct 22, 2013
- Telcordia Technologies, Inc.
- Ashutosh Dutta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Proactive authentication
- Patent number 8,505,076
- Issue date Aug 6, 2013
- Kabushiki Kaisha Toshiba
- Subir Das
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Seamless handoff across heterogeneous access networks using a hando...
- Patent number 8,442,005
- Issue date May 14, 2013
- TTI Inventions C LLC
- Ashutosh Dutta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Media independent handover protocol security
- Patent number 8,341,395
- Issue date Dec 25, 2012
- Kabushiki Kaisha Toshiba
- Subir Das
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Kerberized handover keying
- Patent number 8,332,923
- Issue date Dec 11, 2012
- Toshiba America Research, Inc.
- Yoshihiro Oba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Media-independent handover: session identifier
- Patent number 8,160,021
- Issue date Apr 17, 2012
- Toshiba America Research, Inc.
- Yoshihiro Ohba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Prioritized query
- Patent number 8,107,960
- Issue date Jan 31, 2012
- Toshiba America Research, Inc.
- Yoshihiro Oba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
P-CSCF fast handoff for IMS/MMS architecture
- Patent number 8,098,627
- Issue date Jan 17, 2012
- Telcordia Technologies, Inc.
- Ashutosh Dutta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
MIH pre-authentication
- Patent number 8,036,176
- Issue date Oct 11, 2011
- Toshiba America Research, Inc.
- Yoshihiro Oba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Secure isolation and recovery in wireless networks
- Patent number 7,975,300
- Issue date Jul 5, 2011
- Toshiba America Research, Inc.
- Byungsuk Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Seamless handoff across heterogeneous access networks using a hando...
- Patent number 7,664,501
- Issue date Feb 16, 2010
- Ashutosh Dutta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Interlayer fast authentication or re-authentication for network com...
- Patent number 7,587,598
- Issue date Sep 8, 2009
- Toshiba America Research, Inc.
- Yoshihiro Ohba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and systems for a generalized mobility solution using a dyn...
- Patent number 6,992,994
- Issue date Jan 31, 2006
- Telcordia Technologies, Inc.
- Subir Das
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telecommunication enhanced mobile IP architecture for intra-domain...
- Patent number 6,992,995
- Issue date Jan 31, 2006
- Telcordia Technologies, Inc.
- Prathima Agrawal
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for dynamic registration and configuration protocol
- Patent number 6,799,204
- Issue date Sep 28, 2004
- Telcordia Technologies, Inc.
- Shinichi Baba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
System and Method for Group Communications in 3GPP Machine-to-Machi...
- Publication number 20120296968
- Publication date Nov 22, 2012
- Telcordia Technologies, Inc.
- Fuchun Joseph Lin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOBILE AD-HOC RE-ROUTING METHOD
- Publication number 20120250529
- Publication date Oct 4, 2012
- John Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System, Method and Program for Telecom Infrastructure Virtualizatio...
- Publication number 20120221700
- Publication date Aug 30, 2012
- KDDI Corporation
- Ashutosh Dutta
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PRIORITIZED QUERY
- Publication number 20120165009
- Publication date Jun 28, 2012
- TELCORDIA TECHNOLOGIES INC.
- Yoshihiro Oba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
P-CSCF FAST HANDOFF FOR IMS/MMS ARCHITECTURE
- Publication number 20120082136
- Publication date Apr 5, 2012
- KDDI CORPORATION
- Ashutosh Dutta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOBILITY POLICY UPDATES FOR MOBILE DEVICES
- Publication number 20120069749
- Publication date Mar 22, 2012
- Kabushiki Kaisha Toshiba
- David Famolari
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SELF-ORGANIZING IMS NETWORK AND METHOD FOR ORGANIZING AND MAINTAINI...
- Publication number 20120042084
- Publication date Feb 16, 2012
- KDDI Corporation
- Ashutosh Dutta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PUBLIC LAND MOBILE NETWORK SELECTION PROCEDURES FOR SIMULTANEOUS NE...
- Publication number 20120020204
- Publication date Jan 26, 2012
- Kabushiki Kaisha Toshiba
- Raquel Morera
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
KEY MANAGEMENT DEVICE, SYSTEM AND METHOD HAVING A REKEY MECHANISM
- Publication number 20110271110
- Publication date Nov 3, 2011
- TELCORDIA TECHNOLOGIES INC.
- Yoshihiro Ohba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SELF ORGANIZING IP MULTIMEDIA SUBSYSTEM
- Publication number 20110110223
- Publication date May 12, 2011
- Telcordia Technologies, Inc.
- Ashutosh Dutta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PLMN SELECTION AND INTER-SYSTEM MOBILITY POLICY CONFLICT RESOLUTION...
- Publication number 20110085498
- Publication date Apr 14, 2011
- Kabushiki Kaisha Toshiba
- Yoshihiro Oba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MEDIA INDEPENDENT HANDOVER PROTOCOL SECURITY
- Publication number 20100281249
- Publication date Nov 4, 2010
- Kabushiki Kaisha Toshiba
- Subir Das
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROACTIVE AUTHENTICATION
- Publication number 20100281519
- Publication date Nov 4, 2010
- Kabushiki Kaisha Toshiba
- Subir Das
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Network Discovery Mechanisms
- Publication number 20100165947
- Publication date Jul 1, 2010
- TOSHIBA AMERICA RESERCH, INC.
- Kenichi Taniuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Seamless Handoff Across Heterogeneous Access Networks Using a Hando...
- Publication number 20100150110
- Publication date Jun 17, 2010
- Ashutosh Dutta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DATA TYPE ENCODING FOR MEDIA INDEPENDENT HANDOVER
- Publication number 20090047959
- Publication date Feb 19, 2009
- TOSHIBA RESEARCH AMERICA, INC.
- Yoshihiro Oba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MIH Pre-Authentication
- Publication number 20080310366
- Publication date Dec 18, 2008
- Toshiba America Research, Inc.
- Yoshihiro Oba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Proxy mobile IP
- Publication number 20080285518
- Publication date Nov 20, 2008
- Ashutosh Dutta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PRIORITIZED QUERY
- Publication number 20080176567
- Publication date Jul 24, 2008
- Toshiba America Research, Inc.
- Yoshihiro Oba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Flexible mobility framwork for heterogeneous roaming in next genera...
- Publication number 20080176560
- Publication date Jul 24, 2008
- Ashutosh Dutta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Kerberized handover keying
- Publication number 20080175393
- Publication date Jul 24, 2008
- TOSHIBA AMERICA RESEARCH, INC.
- Yoshihiro Oba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Bootstrapping Kerberos from EAP (BKE)
- Publication number 20080178277
- Publication date Jul 24, 2008
- Toshiba America Research, Inc.
- Yoshihiro Oba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EAP METHOD FOR EAP EXTENSION (EAP-EXT)
- Publication number 20080141031
- Publication date Jun 12, 2008
- Toshiba America Research, Inc.
- Yoshihiro Oba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Security optimization for IMS/MMD architecture
- Publication number 20080072310
- Publication date Mar 20, 2008
- Ashutosh Dutta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
P-CSCF fast handoff for IMS/MMS architecture
- Publication number 20080069050
- Publication date Mar 20, 2008
- Ashutosh Dutta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Methods of mitigation of trombone routing in an IMS/MMD network
- Publication number 20080070573
- Publication date Mar 20, 2008
- Ashutosh Dutta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Media-Independent Handover: Session Identifier
- Publication number 20070183365
- Publication date Aug 9, 2007
- Yoshihiro Ohba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INTEGRATION OF XML AND TLV FOR QUERY AND/OR RESPONSES IN NETWORK DI...
- Publication number 20070136412
- Publication date Jun 14, 2007
- Yoshihiro Oba
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Seamless handoff across heterogeneous access networks using a hando...
- Publication number 20060276192
- Publication date Dec 7, 2006
- Ashutosh Dutta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SECURE ISOLATION AND RECOVERY IN WIRELESS NETWORKS
- Publication number 20060236391
- Publication date Oct 19, 2006
- Toshiba America Research, Inc.
- Byungsuk Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Person

Patents Grantslast 30 patents

Data type encoding for media independent handover

Self organizing IP multimedia subsystem

Security optimization for IMS/MMD architecture

P-CSCF fast handoff for IMS/MMS architecture

PLMN selection and inter-system mobility policy conflict resolution...

Network discovery mechanisms

Key management device, system and method having a rekey mechanism

Prioritized query

Network discovery mechanisms

Bootstrapping kerberos from EAP (BKE)

Mobility policy updates for mobile devices

Proxy mobile IP

Flexible mobility framework for heterogeneous roaming in next gener...

Public land mobile network selection procedures for simultaneous ne...

EAP method for EAP extension (EAP-EXT)

Methods of mitigation of trombone routing in an IMS/MMD network

Proactive authentication

Seamless handoff across heterogeneous access networks using a hando...

Media independent handover protocol security

Kerberized handover keying

Media-independent handover: session identifier

Prioritized query

P-CSCF fast handoff for IMS/MMS architecture

MIH pre-authentication

Secure isolation and recovery in wireless networks

Seamless handoff across heterogeneous access networks using a hando...

Interlayer fast authentication or re-authentication for network com...

Methods and systems for a generalized mobility solution using a dyn...

Telecommunication enhanced mobile IP architecture for intra-domain...

Method and system for dynamic registration and configuration protocol

Patents Applicationslast 30 patents

System and Method for Group Communications in 3GPP Machine-to-Machi...

MOBILE AD-HOC RE-ROUTING METHOD

System, Method and Program for Telecom Infrastructure Virtualizatio...

PRIORITIZED QUERY

P-CSCF FAST HANDOFF FOR IMS/MMS ARCHITECTURE

MOBILITY POLICY UPDATES FOR MOBILE DEVICES

SELF-ORGANIZING IMS NETWORK AND METHOD FOR ORGANIZING AND MAINTAINI...

PUBLIC LAND MOBILE NETWORK SELECTION PROCEDURES FOR SIMULTANEOUS NE...

KEY MANAGEMENT DEVICE, SYSTEM AND METHOD HAVING A REKEY MECHANISM

SELF ORGANIZING IP MULTIMEDIA SUBSYSTEM

PLMN SELECTION AND INTER-SYSTEM MOBILITY POLICY CONFLICT RESOLUTION...

MEDIA INDEPENDENT HANDOVER PROTOCOL SECURITY

PROACTIVE AUTHENTICATION

Network Discovery Mechanisms

Seamless Handoff Across Heterogeneous Access Networks Using a Hando...

DATA TYPE ENCODING FOR MEDIA INDEPENDENT HANDOVER

MIH Pre-Authentication

Proxy mobile IP

PRIORITIZED QUERY

Flexible mobility framwork for heterogeneous roaming in next genera...

Kerberized handover keying

Bootstrapping Kerberos from EAP (BKE)

EAP METHOD FOR EAP EXTENSION (EAP-EXT)

Security optimization for IMS/MMD architecture

P-CSCF fast handoff for IMS/MMS architecture

Methods of mitigation of trombone routing in an IMS/MMD network

Media-Independent Handover: Session Identifier

INTEGRATION OF XML AND TLV FOR QUERY AND/OR RESPONSES IN NETWORK DI...

Seamless handoff across heterogeneous access networks using a hando...

SECURE ISOLATION AND RECOVERY IN WIRELESS NETWORKS