Patents by Inventor Masataka Okado

Masataka Okado 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).

  • Electronic key system and portable unit
    Publication number: 20080204281
    Abstract: An electronic key system includes an in-vehicle unit mounted in a vehicle and a portable unit. When a user leaves the vehicle, the in-vehicle unit requests information on a relative position of the vehicle relative to a landmark object near the vehicle from a vehicle navigation device and transmits received relative position information to the portable unit. The portable unit stores the received relative position information, and notifies of the stored relative position information according to a user's operation.
    Type: Application
    Filed: February 19, 2008
    Publication date: August 28, 2008
    Applicant: DENSO CORPORATION
    Inventors: Masahiro Sugiura, Hiromichi Naitoh, Munenori Matsumoto, Noriaki Okada, Shinichiro Kato, Tomoji Mabuchi, Haruyuki Ikeo, Masataka Okado, Kouichi Mizuno, Tomotsugu Sekine