Vehicle communication system, onboard apparatus, and key issuing apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10756894
APP PUB NO 20180076958A1
SERIAL NO

15565705

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Abstract

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A vehicle communication system includes an onboard apparatus, a mobile device, and a key issuing apparatus provided outside the vehicle for issuing a key for cryptographic communication between the mobile device and the onboard apparatus. The mobile device and the onboard apparatus store the key, and perform the cryptographic communication using the key. The key issuing apparatus issues, to the onboard apparatus, the key and validity information indicating validity of the key. The onboard apparatus includes a determination section determining whether a validity ends, and an update request section transmitting a key update request to request the issuance of a new key. When the key update request has been received, the key issuing apparatus issues a new key to the mobile device, and issues a new key and validity information on the new key to the onboard apparatus.

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Patent Owner(s)

Patent OwnerAddress
DENSO CORPORATIONKARIYA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Imoto, Reiichirou Kariya, JP 4 21
Nagao, Satoshi Kariya, JP 42 234
Narimoto, Yousuke Kariya, JP 1 18
Sugashima, Takeshi Kariya, JP 15 42

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