Patents by Inventor Yousuke NARIMOTO

Yousuke NARIMOTO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Vehicle communication system, onboard apparatus, and key issuing apparatus
    Patent number: 10756894
    Abstract: 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.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: August 25, 2020
    Assignee: DENSO CORPORATION
    Inventors: Yousuke Narimoto, Satoshi Nagao, Reiichirou Imoto, Takeshi Sugashima
  • VEHICLE COMMUNICATION SYSTEM, ONBOARD APPARATUS, AND KEY ISSUING APPARATUS
    Publication number: 20180076958
    Abstract: 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.
    Type: Application
    Filed: April 15, 2016
    Publication date: March 15, 2018
    Inventors: Yousuke NARIMOTO, Satoshi NAGAO, Reiichirou IMOTO, Takeshi SUGASHIMA