Takahiro FUJISHIRO

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Maintenance device, presentation system, and program
- Patent number 11,032,627
- Issue date Jun 8, 2021
- Hitachi, Ltd.
- Takayuki Uchida
- G08 - SIGNALLING
Information Patent Grant
Determination method for cryptographic algorithm used for signature...
- Patent number 9,325,509
- Issue date Apr 26, 2016
- Hitachi, Ltd.
- Chinatsu Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Validation server, validation method, and program
- Patent number 8,819,417
- Issue date Aug 26, 2014
- Hitachi, Ltd.
- Yoko Hashimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of validation public key certificate and validation server
- Patent number 8,635,449
- Issue date Jan 21, 2014
- Hitachi, Ltd.
- Akane Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method, product and apparatus for accelerating public-key certifica...
- Patent number 8,516,245
- Issue date Aug 20, 2013
- Hitachi, Ltd.
- Yoko Kumagai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network management station, network control system, and network man...
- Patent number 8,477,601
- Issue date Jul 2, 2013
- Hitachi, Ltd.
- Masayuki Sakata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Certificate validation method and certificate validation server and...
- Patent number 8,380,985
- Issue date Feb 19, 2013
- Hitachi, Ltd.
- Akane Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of validation public key certificate and validation server
- Patent number 8,347,082
- Issue date Jan 1, 2013
- Hitachi, Ltd.
- Akane Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Management server, communication apparatus and program implementing...
- Patent number 8,238,555
- Issue date Aug 7, 2012
- Hitachi, Ltd.
- Osamu Takata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Vehicle communication system
- Patent number 8,229,668
- Issue date Jul 24, 2012
- Renesas Electronics Corporation
- Takashi Kawauchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encrypted communication system, communication status management ser...
- Patent number 8,218,769
- Issue date Jul 10, 2012
- Hitachi, Ltd.
- Osamu Takata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data communication method and data communication system
- Patent number 8,205,074
- Issue date Jun 19, 2012
- Hitachi, Ltd.
- Kazuyoshi Hoshino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Validation server, validation method, and program
- Patent number 8,176,316
- Issue date May 8, 2012
- Hitachi, Ltd.
- Yoko Hashimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device and system for assisting printer selection through a network
- Patent number 8,094,337
- Issue date Jan 10, 2012
- Hitachi, Ltd.
- Yoko Hashimoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Mediating system and method to establish communication session, all...
- Patent number 8,095,676
- Issue date Jan 10, 2012
- Hitachi Ltd.
- Tadashi Kaji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication support server, communication support method, and com...
- Patent number 8,081,758
- Issue date Dec 20, 2011
- Hitachi, Ltd.
- Osamu Takata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Service network system and server device
- Patent number 8,041,822
- Issue date Oct 18, 2011
- Hitachi, Ltd.
- Kazuyoshi Hoshino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for encrypted communication with a computer system and syste...
- Patent number 8,019,996
- Issue date Sep 13, 2011
- Hitachi, Ltd.
- Yoko Hashimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data communication method and system
- Patent number 8,010,793
- Issue date Aug 30, 2011
- Hitachi, Ltd.
- Kazuyoshi Hoshino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for encrypted communication
- Patent number 7,984,290
- Issue date Jul 19, 2011
- Hitachi, Ltd.
- Yoko Hashimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Authentication system and apparatus
- Patent number 7,958,367
- Issue date Jun 7, 2011
- Hitachi, Ltd.
- Tadaoki Uesugi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data communication system enabling data communication between commu...
- Patent number 7,940,780
- Issue date May 10, 2011
- Hitachi, Ltd.
- Dan Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encryption method for SIP message and encrypted SIP communication s...
- Patent number 7,720,227
- Issue date May 18, 2010
- Hitachi, Ltd.
- Tadashi Kaji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cryptographic communication system and method
- Patent number 7,697,692
- Issue date Apr 13, 2010
- Hitachi, Ltd.
- Osamu Takata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encryption communication method and system
- Patent number 7,657,035
- Issue date Feb 2, 2010
- Hitachi, Ltd.
- Akifumi Yato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for accelerating public-key certificate valida...
- Patent number 7,558,952
- Issue date Jul 7, 2009
- Hitachi, Ltd.
- Yoko Kumagai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital-signed digital document exchange supporting method and info...
- Patent number 7,533,269
- Issue date May 12, 2009
- Hitachi, Ltd.
- Yoko Kumagai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Key allocating method and key allocation system for encrypted commu...
- Patent number 7,443,986
- Issue date Oct 28, 2008
- Hitachi, Ltd.
- Osamu Takata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Certificate validity authentication method and apparatus
- Patent number 7,409,551
- Issue date Aug 5, 2008
- Hitachi, Ltd.
- Takahiro Fujishiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Public key certificate generation method, validation method and app...
- Patent number 7,409,553
- Issue date Aug 5, 2008
- Hitachi, Ltd.
- Yoko Kumagai
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
MANDATE PROCESSING DEVICE, MANDATE PROCESSING METHOD, AND MANDATE P...
- Publication number 20240303304
- Publication date Sep 12, 2024
- Hitachi, Ltd
- Manami IKEDA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MAINTENANCE DEVICE, PRESENTATION SYSTEM, AND PROGRAM
- Publication number 20180234746
- Publication date Aug 16, 2018
- Hitachi, Ltd
- Takayuki UCHIDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Data Display System
- Publication number 20170307480
- Publication date Oct 26, 2017
- Hitachi, Ltd
- Takayuki UCHIDA
- G01 - MEASURING TESTING
Information Patent Application
ABNORMALITY DETECTION PROCEDURE DEVELOPMENT APPARATUS AND ABNORMALI...
- Publication number 20170261403
- Publication date Sep 14, 2017
- Hitachi, Ltd
- Tomoaki HIRUTA
- G01 - MEASURING TESTING
Information Patent Application
Fault Symptom Detection System
- Publication number 20170131707
- Publication date May 11, 2017
- Hitachi, Ltd.
- Shigetoshi SAKIMURA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Data Display System
- Publication number 20160239552
- Publication date Aug 18, 2016
- Hitachi, Ltd
- Takayuki UCHIDA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DETERMINATION METHOD FOR CRYPTOGRAPHIC ALGORITHM USED FOR SIGNATURE...
- Publication number 20140149740
- Publication date May 29, 2014
- Chinatsu Sato
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD OF VALIDATION PUBLIC KEY CERTIFICATE AND VALIDATION SERVER
- Publication number 20130061043
- Publication date Mar 7, 2013
- Hitachi Ltd.
- Akane SATO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VALIDATION SERVER, VALIDATION METHOD, AND PROGRAM
- Publication number 20120159158
- Publication date Jun 21, 2012
- Hitachi, Ltd
- Yoko HASHIMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION TERMINAL, PROGRAM AND COMMUNICATION SYSTEM
- Publication number 20120126953
- Publication date May 24, 2012
- Hitachi, Ltd.
- Maki Mori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CRYPTOGRAPHIC DEVICE MANAGEMENT METHOD, CRYPTOGRAPHIC DEVICE MANAGE...
- Publication number 20120066490
- Publication date Mar 15, 2012
- Hitachi, Ltd.
- Akane Sato
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CERTIFICATE VALIDATION METHOD AND VALIDATION SERVER
- Publication number 20110231662
- Publication date Sep 22, 2011
- Hitachi, Ltd.
- AKANE SATO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CERTIFICATE VALIDATION METHOD AND CERTIFICATE VALIDATION SERVER AND...
- Publication number 20110004763
- Publication date Jan 6, 2011
- Akane SATO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VEHICLE COMMUNICATION SYSTEM
- Publication number 20100286864
- Publication date Nov 11, 2010
- RENESAS ELECTRONICS CORPORATION
- Takashi KAWAUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NETWORK MANAGEMENT STATION, NETWORK CONTROL SYSTEM, AND NETWORK MAN...
- Publication number 20100202465
- Publication date Aug 12, 2010
- Hitachi, Ltd.
- Masayuki SAKATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUTHENTICATION INTERMEDIARY SERVER, PROGRAM, AUTHENTICATION SYSTEM...
- Publication number 20100138899
- Publication date Jun 3, 2010
- HITACHI LTD.
- Dan YAMAMOTO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD OF VALIDATION PUBLIC KEY CERTIFICATE AND VALIDATION SERVER
- Publication number 20100122081
- Publication date May 13, 2010
- Akane SATO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INFORMATION PROVIDING SERVER, PROGRAM, INFORMATION PROVIDING METHOD...
- Publication number 20090327394
- Publication date Dec 31, 2009
- Tadashi KAJI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VALIDATION SERVER, VALIDATION METHOD, AND PROGRAM
- Publication number 20090300349
- Publication date Dec 3, 2009
- Yoko HASHIMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD, PRODUCT AND APPARATUS FOR ACCELERATING PUBLIC-KEY CERTIFICA...
- Publication number 20090259842
- Publication date Oct 15, 2009
- Hitachi, Ltd
- Yoko KUMAGAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUTHENTICATION SERVER, AUTHENTICATION SYSTEM, AND AUTHENTICATION ME...
- Publication number 20090249454
- Publication date Oct 1, 2009
- Hitachi, Ltd
- Dan YAMAMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SERVICE NETWORK SYSTEM AND SERVER DEVICE
- Publication number 20090177802
- Publication date Jul 9, 2009
- Kazuyoshi Hoshino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DATA COMMUNICATION SYSTEM
- Publication number 20090067439
- Publication date Mar 12, 2009
- Dan Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
KEY ALLOCATING METHOD AND KEY ALLOCATION SYSTEM FOR ENCRYPTED COMMU...
- Publication number 20090055649
- Publication date Feb 26, 2009
- Hitachi, Ltd
- Osamu TAKATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Validation Server, Program and Verification Method
- Publication number 20080301439
- Publication date Dec 4, 2008
- Yoko HASHIMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Authentication system and apparatus
- Publication number 20080301457
- Publication date Dec 4, 2008
- Hitachi, Ltd.
- Tadaoki Uesugi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Data communication system and session management server
- Publication number 20080256224
- Publication date Oct 16, 2008
- Tadashi Kaji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communications audit support system
- Publication number 20080219445
- Publication date Sep 11, 2008
- Akifumi Yato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NETWORK SYSTEM WHICH PERFORMS PEER-TO-PEER COMMUNICATION
- Publication number 20080189351
- Publication date Aug 7, 2008
- Shigeyuki Nemoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Device and system for assisting printer selection through a network
- Publication number 20080158597
- Publication date Jul 3, 2008
- Yoko Hashimoto
- G06 - COMPUTING CALCULATING COUNTING

Takahiro FUJISHIRO

Person

Patents Grantslast 30 patents

Maintenance device, presentation system, and program

Determination method for cryptographic algorithm used for signature...

Validation server, validation method, and program

Method of validation public key certificate and validation server

Method, product and apparatus for accelerating public-key certifica...

Network management station, network control system, and network man...

Certificate validation method and certificate validation server and...

Method of validation public key certificate and validation server

Management server, communication apparatus and program implementing...

Vehicle communication system

Encrypted communication system, communication status management ser...

Data communication method and data communication system

Validation server, validation method, and program

Device and system for assisting printer selection through a network

Mediating system and method to establish communication session, all...

Communication support server, communication support method, and com...

Service network system and server device

Method for encrypted communication with a computer system and syste...

Data communication method and system

System and method for encrypted communication

Authentication system and apparatus

Data communication system enabling data communication between commu...

Encryption method for SIP message and encrypted SIP communication s...

Cryptographic communication system and method

Encryption communication method and system

Method and apparatus for accelerating public-key certificate valida...

Digital-signed digital document exchange supporting method and info...

Key allocating method and key allocation system for encrypted commu...

Certificate validity authentication method and apparatus

Public key certificate generation method, validation method and app...

Patents Applicationslast 30 patents

MANDATE PROCESSING DEVICE, MANDATE PROCESSING METHOD, AND MANDATE P...

MAINTENANCE DEVICE, PRESENTATION SYSTEM, AND PROGRAM

Data Display System

ABNORMALITY DETECTION PROCEDURE DEVELOPMENT APPARATUS AND ABNORMALI...

Fault Symptom Detection System

Data Display System

DETERMINATION METHOD FOR CRYPTOGRAPHIC ALGORITHM USED FOR SIGNATURE...

METHOD OF VALIDATION PUBLIC KEY CERTIFICATE AND VALIDATION SERVER

VALIDATION SERVER, VALIDATION METHOD, AND PROGRAM

COMMUNICATION TERMINAL, PROGRAM AND COMMUNICATION SYSTEM

CRYPTOGRAPHIC DEVICE MANAGEMENT METHOD, CRYPTOGRAPHIC DEVICE MANAGE...

CERTIFICATE VALIDATION METHOD AND VALIDATION SERVER

CERTIFICATE VALIDATION METHOD AND CERTIFICATE VALIDATION SERVER AND...

VEHICLE COMMUNICATION SYSTEM

NETWORK MANAGEMENT STATION, NETWORK CONTROL SYSTEM, AND NETWORK MAN...

AUTHENTICATION INTERMEDIARY SERVER, PROGRAM, AUTHENTICATION SYSTEM...

METHOD OF VALIDATION PUBLIC KEY CERTIFICATE AND VALIDATION SERVER

INFORMATION PROVIDING SERVER, PROGRAM, INFORMATION PROVIDING METHOD...

VALIDATION SERVER, VALIDATION METHOD, AND PROGRAM

METHOD, PRODUCT AND APPARATUS FOR ACCELERATING PUBLIC-KEY CERTIFICA...

AUTHENTICATION SERVER, AUTHENTICATION SYSTEM, AND AUTHENTICATION ME...

SERVICE NETWORK SYSTEM AND SERVER DEVICE

DATA COMMUNICATION SYSTEM

KEY ALLOCATING METHOD AND KEY ALLOCATION SYSTEM FOR ENCRYPTED COMMU...

Validation Server, Program and Verification Method

Authentication system and apparatus

Data communication system and session management server

Communications audit support system

NETWORK SYSTEM WHICH PERFORMS PEER-TO-PEER COMMUNICATION

Device and system for assisting printer selection through a network