Inventor
TAKEMORI KEISUKE
JP18 patents
Patents
18 patentsUS7673334B2Mar 2, 2010
Communication system and security assurance device
KDDI CORP21 citations89
US11265170B2Mar 1, 2022
Vehicle information collection system, vehicle-mounted computer, vehicle information collection device, vehicle information collection method, and computer program
KDDI CORP7 citations84
US11212087B2Dec 28, 2021
Management system, key generation device, in-vehicle computer, management method, and computer program
KDDI CORP8 citations82
US11212080B2Dec 28, 2021
Communication system, vehicle, server device, communication method, and computer program
KDDI CORP2 citations71
US11095453B2Aug 17, 2021
Communication network system and count-value sharing method using count-value notification node with transmission node and reception node
KDDI CORP3 citations71
US10970398B2Apr 6, 2021
Data provision system, data security device, data provision method, and computer program
KDDI CORP3 citations71
US10855460B2Dec 1, 2020
In-vehicle computer system, vehicle, key generation device, management method, key generation method, and computer program
KDDI CORP4 citations71
US10681540B2Jun 9, 2020
Communication network system, transmission node, reception node, and message checking method
KDDI CORP2 citations71
US10419220B2Sep 17, 2019
Management device, key generating device, vehicle, maintenance tool, management system, management method, and computer program
KDDI CORP5 citations71
US11201736B2Dec 14, 2021
Management device, management system, key generation device, key generation system, key management system, vehicle, management method, key generation method, and computer program
KDDI CORP0 citations61
US11212109B2Dec 28, 2021
Data provision system, data security device, data provision method, and computer program
KDDI CORP0 citations50
US11082228B2Aug 3, 2021
Reuse system, key generation device, data security device, in-vehicle computer, reuse method, and computer program
KDDI CORP0 citations50
US10931459B2Feb 23, 2021
Onboard computer system, vehicle, management method, and computer program
KDDI CORP0 citations50
US10931464B2Feb 23, 2021
Communication system, hardware security module, terminal device, communication method, and program
KDDI CORP0 citations45
US11366885B2Jun 21, 2022
Vehicle security system and vehicle security method
KDDI CORP0 citations43
US11330432B2May 10, 2022
Maintenance system and maintenance method
KDDI CORP0 citations43
US10673621B2Jun 2, 2020
Management device, vehicle, management method, and computer program
KDDI CORP0 citations40
US10671717B2Jun 2, 2020
Communication device, communication method and computer program
KDDI CORP0 citations37