Patents by Inventor Yoshito Kiyama

Yoshito Kiyama 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).

  • Method of replacing a tolling system for toll roads
    Patent number: 4675824
    Abstract: A method of replacing a punched-card tolling system with a magnetic-card tolling system gradually by installing controllers sequentially at entrance and exit gates, each of which controllers is capable of controlling the terminals for both of these two tolling systems simultaneously.
    Type: Grant
    Filed: August 20, 1985
    Date of Patent: June 23, 1987
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Yoshito Kiyama, Ryokichi Wada, Kingo Sakamoto