Yasutsugu Kuroda

Person

Kawasaki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
User support system for cryptographic communication in network systems
- Patent number 6,922,775
- Issue date Jul 26, 2005
- Fujitsu Limited
- Hiroaki Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic data storage apparatus with key management function and...
- Patent number 6,915,434
- Issue date Jul 5, 2005
- Fujitsu Limited
- Yasutsugu Kuroda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for managing electronic original data
- Patent number 6,658,403
- Issue date Dec 2, 2003
- Fujitsu Limited
- Yasutsugu Kuroda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
User support system for cryptographic communication in network systems
- Patent number 6,584,563
- Issue date Jun 24, 2003
- Fujitsu Limited
- Hiroaki Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
File management apparatus and method
- Patent number 6,505,213
- Issue date Jan 7, 2003
- Fujitsu Limited
- Jun Kamada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus and method for proving transaction between users in netwo...
- Patent number 6,470,448
- Issue date Oct 22, 2002
- Fujitsu Limited
- Yasutsugu Kuroda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic data storage apparatus, system and method
- Patent number 6,421,779
- Issue date Jul 16, 2002
- Fujitsu Limited
- Yasutsugu Kuroda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus method and computer readable storage medium with recorded...
- Patent number 6,345,360
- Issue date Feb 5, 2002
- Fujitsu Limited
- Jun Kamada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Key recovery condition encryption and decryption apparatuses
- Patent number 6,272,225
- Issue date Aug 7, 2001
- NEC Corporation
- Hiroshi Miyauchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key recovery system and key recovery method
- Patent number 6,266,421
- Issue date Jul 24, 2001
- Hitachi, Ltd.
- Seiichi Domyo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method of authentication of digital information
- Patent number 6,260,145
- Issue date Jul 10, 2001
- Fujitsu Limited
- Masahiro Komura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key recovery system
- Patent number 6,185,308
- Issue date Feb 6, 2001
- Fujitsu Limited
- Hiroyuki Ando
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Security level control apparatus and method for a network securing...
- Patent number 5,935,248
- Issue date Aug 10, 1999
- Fujitsu Limited
- Yasutsugu Kuroda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cryptoinformation repeater, subscriber terminal connected thereto,...
- Patent number 5,642,420
- Issue date Jun 24, 1997
- Fujitsu Limited
- Yasutsugu Kuroda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Apparatus, method and computer readable storage medium with recorde...
- Publication number 20080271154
- Publication date Oct 30, 2008
- Fujitsu Limited
- Jun Kamada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
User support system for cryptographic communication in network systems
- Publication number 20020051544
- Publication date May 2, 2002
- FUJITSU LIMITED
- Hiroaki Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus, method and computer readable storage medium with recorde...
- Publication number 20020049911
- Publication date Apr 25, 2002
- FUJITSU LIMITED
- Jun Kamada
- G06 - COMPUTING CALCULATING COUNTING

Yasutsugu Kuroda

Person

Patents Grantslast 30 patents

User support system for cryptographic communication in network systems

Electronic data storage apparatus with key management function and...

Apparatus and method for managing electronic original data

User support system for cryptographic communication in network systems

File management apparatus and method

Apparatus and method for proving transaction between users in netwo...

Electronic data storage apparatus, system and method

Apparatus method and computer readable storage medium with recorded...

Key recovery condition encryption and decryption apparatuses

Key recovery system and key recovery method

System and method of authentication of digital information

Key recovery system

Security level control apparatus and method for a network securing...

Cryptoinformation repeater, subscriber terminal connected thereto,...

Patents Applicationslast 30 patents

Apparatus, method and computer readable storage medium with recorde...

User support system for cryptographic communication in network systems

Apparatus, method and computer readable storage medium with recorde...