Tomohiko Yagyu

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Risk analysis result display apparatus, method, and computer readab...
- Patent number 12,254,096
- Issue date Mar 18, 2025
- NEC Corporation
- Ryo Mizushima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Analysis system, method, and program
- Patent number 12,149,554
- Issue date Nov 19, 2024
- NEC Corporation
- Hirofumi Ueda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Analysis system, method, and program
- Patent number 12,137,106
- Issue date Nov 5, 2024
- NEC Corporation
- Hirofumi Ueda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Rule generation apparatus, rule generation method, and computer-rea...
- Patent number 12,050,694
- Issue date Jul 30, 2024
- NEC Corporation
- Tomohiko Yagyu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information verification system, information verification device, m...
- Patent number 11,316,868
- Issue date Apr 26, 2022
- NEC Corporation
- Masaki Inokuchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Communication terminal in wireless ad-hoc network, communication me...
- Patent number 11,032,749
- Issue date Jun 8, 2021
- NEC Corporation
- Yoshitomo Warashina
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Router, method for using cache when content server is unreachable,...
- Patent number 9,444,724
- Issue date Sep 13, 2016
- NEC Corporation
- Tomohiko Yagyu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multicast communication method, communication node device and program
- Patent number 9,425,970
- Issue date Aug 23, 2016
- NEC Corporation
- Tomohiko Yagyu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Path control method adapted to autonomous system routing protocol f...
- Patent number 8,761,176
- Issue date Jun 24, 2014
- NEC Corporation
- Takaaki Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Traffic engineering apparatus, network system, and traffic control...
- Patent number 8,159,947
- Issue date Apr 17, 2012
- NEC Corporation
- Kazuya Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio multi-hop network, node, multicast route control method, and...
- Patent number 7,813,309
- Issue date Oct 12, 2010
- NEC Corporation
- Tomohiko Yagyu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data transmission system having a plurality of dynamic route contro...
- Patent number 7,209,450
- Issue date Apr 24, 2007
- NEC Corporation
- Tomohiko Yagyu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multicast packet transfer system in which multicast packet is trans...
- Patent number 7,106,735
- Issue date Sep 12, 2006
- NEC Corporation
- Tomohiko Yagyu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data transfer system capable of avoiding double reception of same data
- Patent number 6,985,448
- Issue date Jan 10, 2006
- NEC Corporation
- Tomohiko Yagyu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multicast packet transferring apparatus, multicast packet transferr...
- Patent number 6,957,277
- Issue date Oct 18, 2005
- NEC Corporation
- Tomohiko Yagyu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SECURITY COUNTERMEASURE PLANNING SYSTEM, SECURITY COUNTERMEASURE PL...
- Publication number 20250021646
- Publication date Jan 16, 2025
- NEC Corporation
- Masaki Inokuchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RISK ANALYSIS APPARATUS, VIRTUAL MODEL GENERATION APPARATUS, METHOD...
- Publication number 20240282052
- Publication date Aug 22, 2024
- NEC Corporation
- Ryo MIZUSHIMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RISK ANALYSIS APPARATUS, METHOD, AND COMPUTER-READABLE MEDIUM
- Publication number 20240281540
- Publication date Aug 22, 2024
- NEC Corporation
- Ryo MIZUSHIMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DISPLAY APPARATUS, DISPLAY SYSTEM, DISPLAY METHOD, AND NON-TRANSITO...
- Publication number 20240095345
- Publication date Mar 21, 2024
- NEC Corporation
- Masaki INOKUCHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ANALYSIS SYSTEM, METHOD, AND PROGRAM
- Publication number 20240056464
- Publication date Feb 15, 2024
- NEC Corporation
- Hirofumi UEDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RISK ANALYSIS DEVICE, ANALYSIS TARGET ELEMENT DETERMINATION DEVICE,...
- Publication number 20240022589
- Publication date Jan 18, 2024
- NEC CORPORATION
- Masaki INOKUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ATTACK SCENARIO GENERATION APPARATUS, RISK ANALYSIS APPARATUS, METH...
- Publication number 20230379351
- Publication date Nov 23, 2023
- NEC Corporation
- Ryo MIZUSHIMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
KNOWLEDGE GENERATION APPARATUS, CONTROL METHOD, AND STORAGE DEVICE
- Publication number 20230214496
- Publication date Jul 6, 2023
- NEC Corporation
- Masaki INOKUCHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ATTACK INFORMATION PROCESSING APPARATUS, ATTACK INFORMATION PROCESS...
- Publication number 20230040982
- Publication date Feb 9, 2023
- NEC Corporation
- Masaki INOKUCHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ANALYSIS APPARATUS, ANALYSIS METHOD, AND NON-TRANSITORY COMPUTER RE...
- Publication number 20230024824
- Publication date Jan 26, 2023
- NEC Corporation
- Hirofumi Ueda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RISK ANALYSIS RESULT DISPLAY APPARATUS, METHOD, AND COMPUTER READAB...
- Publication number 20230017839
- Publication date Jan 19, 2023
- NEC Corporation
- Ryo Mizushima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ANALYSIS APPARATUS, ANALYSIS METHOD, AND NON-TRANSITORY COMPUTER RE...
- Publication number 20230018096
- Publication date Jan 19, 2023
- NEC Corporation
- Hirofumi UEDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RISK ANALYSIS RESULT DISPLAY APPARATUS, METHOD, AND COMPUTER READAB...
- Publication number 20220391515
- Publication date Dec 8, 2022
- NEC Corporation
- Ryo Mizushima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SECURITY RISK ANALYSIS ASSISTANCE DEVICE, METHOD, AND COMPUTER-READ...
- Publication number 20220342999
- Publication date Oct 27, 2022
- NEC Corporation
- Ryo Mizushima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ANALYSIS SYSTEM, METHOD, AND PROGRAM
- Publication number 20220311786
- Publication date Sep 29, 2022
- NEC Corporation
- Hirofumi UEDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RULE GENERATION APPARATUS, RULE GENERATION METHOD, AND COMPUTER-REA...
- Publication number 20220237302
- Publication date Jul 28, 2022
- NEC Corporation
- Tomohiko YAGYU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DEVICE MANAGEMENT SYSTEM, MODEL LEARNING METHOD, AND MODEL LEARNING...
- Publication number 20210333787
- Publication date Oct 28, 2021
- NEC Corporation
- Satoru YAMANO
- G05 - CONTROLLING REGULATING
Information Patent Application
INFORMATION VERIFICATION SYSTEM, INFORMATION VERIFICATION DEVICE, M...
- Publication number 20200007558
- Publication date Jan 2, 2020
- NEC Corporation
- Masaki INOKUCHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
COMMUNICATION TERMINAL IN WIRELESS AD-HOC NETWORK, COMMUNICATION ME...
- Publication number 20190357096
- Publication date Nov 21, 2019
- NEC Corporation
- Yoshitomo WARASHINA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTICAST COMMUNICATION METHOD, COMMUNICATION NODE DEVICE AND PROGRAM
- Publication number 20150139226
- Publication date May 21, 2015
- NEC Corporation
- Tomohiko Yagyu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ROUTER, METHOD FOR USING CACHE WHEN CONTENT SERVER IS UNREACHABLE,...
- Publication number 20130275619
- Publication date Oct 17, 2013
- NEC Corporation
- TOMOHIKO YAGYU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INFORMATION COLLECTION SYSTEM, TERMINAL AND SINK NODE USING WIRELES...
- Publication number 20130182621
- Publication date Jul 18, 2013
- NEC Corporation
- TOMOHIKO YAGYU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION APPARATUS, NETWORK, AND ROUTE CONTROL METHOD USED THE...
- Publication number 20110173486
- Publication date Jul 14, 2011
- Tomohiko Yagyu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION METHOD, COMMUNICATION SYSTEM, NODE, AND PROGRAM
- Publication number 20100306574
- Publication date Dec 2, 2010
- Takaaki Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRAFFIC ENGINEERING APPARATUS, NETWORK SYSTEM, AND TRAFFIC CONTROL...
- Publication number 20100172240
- Publication date Jul 8, 2010
- Kazuya Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PATH CONTROL METHOD ADAPTED TO AUTONOMOUS SYSTEM ROUTING PROTOCOL F...
- Publication number 20100002712
- Publication date Jan 7, 2010
- Takaaki Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO MULTI-HOP NETWORK, NODE, MULTICAST ROUTE CONTROL METHOD, AND...
- Publication number 20090073910
- Publication date Mar 19, 2009
- NEC Corporation
- TOMOHIKO YAGYU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ROUTING METHOD IN WIRELESS MULTI-HOP NETWORK AND COMMUNICATION TERM...
- Publication number 20080298304
- Publication date Dec 4, 2008
- NEC Corporation
- Tomohiko YAGYU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical network, optical network transmission apparatus, distribute...
- Publication number 20040190900
- Publication date Sep 30, 2004
- Tomohiko Yagyu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Routing control method and routing control apparatus for the same
- Publication number 20030174644
- Publication date Sep 18, 2003
- Tomohiko Yagyu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Tomohiko Yagyu

Person

Patents Grantslast 30 patents

Risk analysis result display apparatus, method, and computer readab...

Analysis system, method, and program

Analysis system, method, and program

Rule generation apparatus, rule generation method, and computer-rea...

Information verification system, information verification device, m...

Communication terminal in wireless ad-hoc network, communication me...

Router, method for using cache when content server is unreachable,...

Multicast communication method, communication node device and program

Path control method adapted to autonomous system routing protocol f...

Traffic engineering apparatus, network system, and traffic control...

Radio multi-hop network, node, multicast route control method, and...

Data transmission system having a plurality of dynamic route contro...

Multicast packet transfer system in which multicast packet is trans...

Data transfer system capable of avoiding double reception of same data

Multicast packet transferring apparatus, multicast packet transferr...

Patents Applicationslast 30 patents

SECURITY COUNTERMEASURE PLANNING SYSTEM, SECURITY COUNTERMEASURE PL...

RISK ANALYSIS APPARATUS, VIRTUAL MODEL GENERATION APPARATUS, METHOD...

RISK ANALYSIS APPARATUS, METHOD, AND COMPUTER-READABLE MEDIUM

DISPLAY APPARATUS, DISPLAY SYSTEM, DISPLAY METHOD, AND NON-TRANSITO...

ANALYSIS SYSTEM, METHOD, AND PROGRAM

RISK ANALYSIS DEVICE, ANALYSIS TARGET ELEMENT DETERMINATION DEVICE,...

ATTACK SCENARIO GENERATION APPARATUS, RISK ANALYSIS APPARATUS, METH...

KNOWLEDGE GENERATION APPARATUS, CONTROL METHOD, AND STORAGE DEVICE

ATTACK INFORMATION PROCESSING APPARATUS, ATTACK INFORMATION PROCESS...

ANALYSIS APPARATUS, ANALYSIS METHOD, AND NON-TRANSITORY COMPUTER RE...

RISK ANALYSIS RESULT DISPLAY APPARATUS, METHOD, AND COMPUTER READAB...

ANALYSIS APPARATUS, ANALYSIS METHOD, AND NON-TRANSITORY COMPUTER RE...

RISK ANALYSIS RESULT DISPLAY APPARATUS, METHOD, AND COMPUTER READAB...

SECURITY RISK ANALYSIS ASSISTANCE DEVICE, METHOD, AND COMPUTER-READ...

ANALYSIS SYSTEM, METHOD, AND PROGRAM

RULE GENERATION APPARATUS, RULE GENERATION METHOD, AND COMPUTER-REA...

DEVICE MANAGEMENT SYSTEM, MODEL LEARNING METHOD, AND MODEL LEARNING...

INFORMATION VERIFICATION SYSTEM, INFORMATION VERIFICATION DEVICE, M...

COMMUNICATION TERMINAL IN WIRELESS AD-HOC NETWORK, COMMUNICATION ME...

MULTICAST COMMUNICATION METHOD, COMMUNICATION NODE DEVICE AND PROGRAM

ROUTER, METHOD FOR USING CACHE WHEN CONTENT SERVER IS UNREACHABLE,...

INFORMATION COLLECTION SYSTEM, TERMINAL AND SINK NODE USING WIRELES...

COMMUNICATION APPARATUS, NETWORK, AND ROUTE CONTROL METHOD USED THE...

COMMUNICATION METHOD, COMMUNICATION SYSTEM, NODE, AND PROGRAM

TRAFFIC ENGINEERING APPARATUS, NETWORK SYSTEM, AND TRAFFIC CONTROL...

PATH CONTROL METHOD ADAPTED TO AUTONOMOUS SYSTEM ROUTING PROTOCOL F...

RADIO MULTI-HOP NETWORK, NODE, MULTICAST ROUTE CONTROL METHOD, AND...

ROUTING METHOD IN WIRELESS MULTI-HOP NETWORK AND COMMUNICATION TERM...

Optical network, optical network transmission apparatus, distribute...

Routing control method and routing control apparatus for the same