Yasuo Hatano

Person

Yokohama, JP

People

Patents Grantslast 30 patents

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

Patents Applicationslast 30 patents

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
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
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
Digital image data authenticity assuring method, and digital image...
- Publication number 20060117183
- Publication date Jun 1, 2006
- Yasuo Hatano
- G06 - COMPUTING CALCULATING COUNTING

Yasuo Hatano

Person

Patents Grantslast 30 patents

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...

Patents Applicationslast 30 patents

CONTENT PROTECTION APPARATUS, AND CONTENT UTILIZATION APPARATUS

ENCRYPTION APPARATUS, DECRYPTION APPARATUS, AND CRYPTOGRAPHY SYSTEM

AUTHENTICITY ASSURANCE SYSTEM FOR SPREADSHEET DATA

Electronic data authenticity assurance method and program

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...

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