Patents by Inventor Kumiko Kohata

Kumiko Kohata 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).

  • Expiration time authentication system, expiration time authentication device, and expiration time authentication method for applications
    Patent number: 9449158
    Abstract: A smartphone into which an application is installed includes a first and second authentication processing unit. The first authentication processing unit is configured to determine whether or not a current activation time of the application is past expiration time; permits authentication if the current activation time is not past the expiration time; and denies authentication if the current activation time is past the expiration time.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: September 20, 2016
    Assignee: Alpine Electronics, Inc.
    Inventors: Mitsuru Suzuki, Akihisa Baba, Kumiko Kohata
  • Expiration Time Authentication System, Expiration Time Authentication Device, and Expiration Time Authentication Method for Applications
    Publication number: 20150302186
    Abstract: A smartphone into which an application is installed includes a first and second authentication processing unit. The first authentication processing unit is configured to determine whether or not a current activation time of the application is past expiration time; permits authentication if the current activation time is not past the expiration time; and denies authentication if the current activation time is past the expiration time.
    Type: Application
    Filed: March 12, 2015
    Publication date: October 22, 2015
    Inventors: Mitsuru Suzuki, Akihisa Baba, Kumiko Kohata