YASUHIKO NAGAI

Person

BUNKYO-KU, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Tool, method, and program for supporting system security design/eva...
- Patent number 7,748,041
- Issue date Jun 29, 2010
- Hitachi, Ltd.
- Kousuke Anzai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information security policy evaluation system and method of control...
- Patent number 7,415,728
- Issue date Aug 19, 2008
- Hitachi, Ltd.
- Masayuki Morohashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Security system design supporting method
- Patent number 7,089,581
- Issue date Aug 8, 2006
- Hitachi, Ltd.
- Yasuhiko Nagai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for evaluating security and method and apparat...
- Patent number 6,971,026
- Issue date Nov 29, 2005
- Hitachi, Ltd.
- Tatsuya Fujiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information reception processing method and computer-telephony inte...
- Patent number 6,636,587
- Issue date Oct 21, 2003
- Hitachi, Ltd.
- Yasuhiko Nagai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System configuration proposal method and tool therefor
- Patent number 6,347,303
- Issue date Feb 12, 2002
- Hitachi, Ltd.
- Yasuhiko Nagai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Application cooperation method and apparatus
- Patent number 6,275,977
- Issue date Aug 14, 2001
- Hitachi, Ltd.
- Yasuhiko Nagai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Network management operation system and network management operatio...
- Patent number 5,586,255
- Issue date Dec 17, 1996
- Yasuhiro Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication network management system for displaying operation st...
- Patent number 5,483,631
- Issue date Jan 9, 1996
- Hitachi, Ltd.
- Yasuhiko Nagai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Network management system and network status display method
- Patent number 5,471,399
- Issue date Nov 28, 1995
- Hitachi, Ltd.
- Yasuhiro Tanaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Encrypting system of data
- Patent number 4,969,190
- Issue date Nov 6, 1990
- Hitachi, Ltd.
- Kazuo Takaragi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COMPUTER SYSTEM AND ANALYSIS METHOD FOR IMPACT OF SECURITY RISK
- Publication number 20240396923
- Publication date Nov 28, 2024
- Hitachi, Ltd
- Momoka KASUYA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Tool, method, and program for supporting system security design/eva...
- Publication number 20060242711
- Publication date Oct 26, 2006
- Kousuke Anzai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Information security policy evaluation system and method of control...
- Publication number 20050076243
- Publication date Apr 7, 2005
- Hitachi, Ltd
- Masayuki Morohashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Security specification creation support device and method of securi...
- Publication number 20040230822
- Publication date Nov 18, 2004
- Hitachi, Ltd.
- Tatsuya Fujiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Digital signature or electronic seal authentication system and reco...
- Publication number 20020129255
- Publication date Sep 12, 2002
- Chikako Tsuchiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Security management system and security managing method
- Publication number 20010025346
- Publication date Sep 27, 2001
- Makoto Kayashima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM CONFIGURATION PROPOSAL METHOD AND TOOL THEREFOR
- Publication number 20010025247
- Publication date Sep 27, 2001
- YASUHIKO NAGAI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Security management system and security managing method
- Publication number 20010023486
- Publication date Sep 20, 2001
- Makoto Kayashima
- G06 - COMPUTING CALCULATING COUNTING

YASUHIKO NAGAI

Person

Patents Grantslast 30 patents

Tool, method, and program for supporting system security design/eva...

Information security policy evaluation system and method of control...

Security system design supporting method

Method and apparatus for evaluating security and method and apparat...

Information reception processing method and computer-telephony inte...

System configuration proposal method and tool therefor

Application cooperation method and apparatus

Network management operation system and network management operatio...

Communication network management system for displaying operation st...

Network management system and network status display method

Encrypting system of data

Patents Applicationslast 30 patents

COMPUTER SYSTEM AND ANALYSIS METHOD FOR IMPACT OF SECURITY RISK

Tool, method, and program for supporting system security design/eva...

Information security policy evaluation system and method of control...

Security specification creation support device and method of securi...

Digital signature or electronic seal authentication system and reco...

Security management system and security managing method

SYSTEM CONFIGURATION PROPOSAL METHOD AND TOOL THEREFOR

Security management system and security managing method