Kunihiko Miyazaki

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Data authenticity assurance method, management computer, and storag...
- Patent number 9,419,804
- Issue date Aug 16, 2016
- Hitachi, Ltd.
- Natsuki Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic data authenticity assurance method and program
- Patent number 8,108,906
- Issue date Jan 31, 2012
- Hitachi, Ltd.
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Encrypting device, decrypting device, information system, encryptin...
- Patent number 8,094,824
- Issue date Jan 10, 2012
- Hitachi, Ltd.
- Yasuo Hatano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic document authenticity guarantee method, and electronic d...
- Patent number 7,941,667
- Issue date May 10, 2011
- Hitachi, Ltd.
- Kunihiko Miyazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital content encryption and decryption method and workflow syste...
- Patent number 7,840,487
- Issue date Nov 23, 2010
- Hitachi, Ltd.
- Yasuo Hatano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital signing method
- Patent number 7,770,009
- Issue date Aug 3, 2010
- Hitachi, Ltd.
- Kunihiko Miyazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for recovering the validity of cryptographically...
- Patent number 7,694,126
- Issue date Apr 6, 2010
- Hitachi, Ltd.
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of managing digital signature, apparatus for processing digi...
- Patent number 7,574,605
- Issue date Aug 11, 2009
- Hitachi, Ltd.
- Kouichi Tanimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic document authenticity assurance method and electronic do...
- Patent number 7,526,645
- Issue date Apr 28, 2009
- Hitachi, Ltd.
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for contents control
- Patent number 7,478,432
- Issue date Jan 13, 2009
- Hitachi, Ltd.
- Isao Echizen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for verifying a digital signature
- Patent number 7,441,115
- Issue date Oct 21, 2008
- Hitachi, Ltd.
- Kunihiko Miyazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for publishing signature log entry
- Patent number 7,401,225
- Issue date Jul 15, 2008
- Hitachi, Ltd.
- Kouichi Tanimoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for symmetric-key decryption
- Patent number 7,359,515
- Issue date Apr 15, 2008
- Hitachi, Ltd.
- Soichi Furuya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital signing method
- Patent number 7,305,558
- Issue date Dec 4, 2007
- Hitachi, Ltd.
- Kunihiko Miyazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Trusted computer system
- Patent number 7,210,043
- Issue date Apr 24, 2007
- Hitachi, Ltd.
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
File storage system and a NAS server
- Patent number 7,206,939
- Issue date Apr 17, 2007
- Hitachi, Ltd.
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for symmetric-key decryption
- Patent number 7,200,232
- Issue date Apr 3, 2007
- Hitachi, Ltd.
- Soichi Furuya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Time stamp generating system
- Patent number 7,200,682
- Issue date Apr 3, 2007
- Hitachi, Ltd.
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for recovering the validity of cryptographically...
- Patent number 7,134,021
- Issue date Nov 7, 2006
- Hitachi, Ltd.
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for symmetric-key encryption
- Patent number 7,110,545
- Issue date Sep 19, 2006
- Tokyo, Japan
- Soichi Furuya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network system enabling transmission control
- Patent number 7,047,407
- Issue date May 16, 2006
- Hitachi, Ltd.
- Shinji Itoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Processing apparatus, program, or system of secret information
- Patent number 6,873,706
- Issue date Mar 29, 2005
- Hitachi, Ltd.
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital signature generating method and digital signature verifying...
- Patent number 6,816,969
- Issue date Nov 9, 2004
- Hitachi, Ltd.
- Kunihiko Miyazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
NURSING SUPPORT SYSTEM AND REPORT GENERATING DEVICE
- Publication number 20220344063
- Publication date Oct 27, 2022
- Hitachi, Ltd
- Masaki MATSUMORI
Information Patent Application
DATA AUTHENTICITY ASSURANCE METHOD, MANAGEMENT COMPUTER, AND STORAG...
- Publication number 20140298034
- Publication date Oct 2, 2014
- Hitachi, Ltd
- Natsuki Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TEST CASE GENERATION METHOD, TEST CASE GENERATION DEVICE, AND STORA...
- Publication number 20140289706
- Publication date Sep 25, 2014
- Hitachi, Ltd
- KUNIHIKO MIYAZAKI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CONTENT PROTECTION APPARATUS, AND CONTENT UTILIZATION APPARATUS
- Publication number 20100046749
- Publication date Feb 25, 2010
- Hitachi, Ltd.
- Yasuo HATANO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRONIC DOCUMENT AUTHENTICITY ASSURANCE METHOD AND ELECTRONIC DO...
- Publication number 20090193259
- Publication date Jul 30, 2009
- Hitachi, Ltd
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ENCRYPTION APPARATUS, DECRYPTION APPARATUS, AND CRYPTOGRAPHY SYSTEM
- Publication number 20090116643
- Publication date May 7, 2009
- Yasuo Hatano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUTHENTICITY ASSURANCE SYSTEM FOR SPREADSHEET DATA
- Publication number 20080294903
- Publication date Nov 27, 2008
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic data authenticity assurance method and program
- Publication number 20080216151
- Publication date Sep 4, 2008
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Digital signing method
- Publication number 20080098232
- Publication date Apr 24, 2008
- Hitachi, Ltd
- Kunihiko Miyazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Encrypting Device, Decrypting Device, Information System, Encryptin...
- Publication number 20080063191
- Publication date Mar 13, 2008
- YASUO HATANO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic data disclosure method and system
- Publication number 20080022109
- Publication date Jan 24, 2008
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Digital content encryption and decryption method and workflow syste...
- Publication number 20070219915
- Publication date Sep 20, 2007
- Yasuo Hatano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Electronic document authenticity guarantee method, and electronic d...
- Publication number 20070106908
- Publication date May 10, 2007
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and apparatus for symmetric-key decryption
- Publication number 20070064944
- Publication date Mar 22, 2007
- Soichi Furuya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital image data authenticity assuring method, and digital image...
- Publication number 20060117183
- Publication date Jun 1, 2006
- Yasuo Hatano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and system for recovering the validity of cryptographically...
- Publication number 20060059357
- Publication date Mar 16, 2006
- Hitachi, Ltd
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Verification result recording method and apparatus for creating sig...
- Publication number 20050177734
- Publication date Aug 11, 2005
- Koichi Tanimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Electronic document authenticity assurance method and electronic do...
- Publication number 20050015600
- Publication date Jan 20, 2005
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and apparatus for publishing signature log entry
- Publication number 20040172540
- Publication date Sep 2, 2004
- Kouichi Tanimoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method for verifying a digital signature
- Publication number 20040123107
- Publication date Jun 24, 2004
- Kunihiko Miyazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Data protection system
- Publication number 20030221115
- Publication date Nov 27, 2003
- Shinji Itoh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Time stamp generating system
- Publication number 20030212828
- Publication date Nov 13, 2003
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
File storage system and a NAS server
- Publication number 20030187885
- Publication date Oct 2, 2003
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of managing digital signature, apparatus for processing digi...
- Publication number 20030182552
- Publication date Sep 25, 2003
- Kouichi Tanimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Network system enabling transmission control
- Publication number 20030105979
- Publication date Jun 5, 2003
- Shinji Itoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for contents control
- Publication number 20020188840
- Publication date Dec 12, 2002
- Isao Echizen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Trusted computer system
- Publication number 20020174369
- Publication date Nov 21, 2002
- Hitachi, Ltd
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Digital signature generating method and digital signature verifying...
- Publication number 20020108044
- Publication date Aug 8, 2002
- Kunihiko Miyazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for recovering the validity of cryptographically...
- Publication number 20020023221
- Publication date Feb 21, 2002
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and apparatus for symmetric-key encryption
- Publication number 20010021253
- Publication date Sep 13, 2001
- Soichi Furuya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Kunihiko Miyazaki

Person

Patents Grantslast 30 patents

Data authenticity assurance method, management computer, and storag...

Electronic data authenticity assurance method and program

Encrypting device, decrypting device, information system, encryptin...

Electronic document authenticity guarantee method, and electronic d...

Digital content encryption and decryption method and workflow syste...

Digital signing method

Method and system for recovering the validity of cryptographically...

Method of managing digital signature, apparatus for processing digi...

Electronic document authenticity assurance method and electronic do...

Method and system for contents control

Method for verifying a digital signature

Method and apparatus for publishing signature log entry

Method and apparatus for symmetric-key decryption

Digital signing method

Trusted computer system

File storage system and a NAS server

Method and apparatus for symmetric-key decryption

Time stamp generating system

Method and system for recovering the validity of cryptographically...

Method and apparatus for symmetric-key encryption

Network system enabling transmission control

Processing apparatus, program, or system of secret information

Digital signature generating method and digital signature verifying...

Patents Applicationslast 30 patents

NURSING SUPPORT SYSTEM AND REPORT GENERATING DEVICE

DATA AUTHENTICITY ASSURANCE METHOD, MANAGEMENT COMPUTER, AND STORAG...

TEST CASE GENERATION METHOD, TEST CASE GENERATION DEVICE, AND STORA...

CONTENT PROTECTION APPARATUS, AND CONTENT UTILIZATION APPARATUS

ELECTRONIC DOCUMENT AUTHENTICITY ASSURANCE METHOD AND ELECTRONIC DO...

ENCRYPTION APPARATUS, DECRYPTION APPARATUS, AND CRYPTOGRAPHY SYSTEM

AUTHENTICITY ASSURANCE SYSTEM FOR SPREADSHEET DATA

Electronic data authenticity assurance method and program

Digital signing method

Encrypting Device, Decrypting Device, Information System, Encryptin...

Electronic data disclosure method and system

Digital content encryption and decryption method and workflow syste...

Electronic document authenticity guarantee method, and electronic d...

Method and apparatus for symmetric-key decryption

Digital image data authenticity assuring method, and digital image...

Method and system for recovering the validity of cryptographically...

Verification result recording method and apparatus for creating sig...

Electronic document authenticity assurance method and electronic do...

Method and apparatus for publishing signature log entry

Method for verifying a digital signature

Data protection system

Time stamp generating system

File storage system and a NAS server

Method of managing digital signature, apparatus for processing digi...

Network system enabling transmission control

Method and system for contents control

Trusted computer system

Digital signature generating method and digital signature verifying...

Method and system for recovering the validity of cryptographically...

Method and apparatus for symmetric-key encryption