Patents by Inventor Kazunari Seto

Kazunari Seto 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).

  • Key-input apparatus or CAI system
    Patent number: 5011414
    Abstract: A large number of keys arranged in a matrix are provided on the keyboard (KB) of a host computer. Of these keys, keys (K10, . . . , K15, . . . ), located at positions corresponding to Learning terminals in a classroom, are assigned to the respective learning terminals.
    Type: Grant
    Filed: June 30, 1989
    Date of Patent: April 30, 1991
    Assignees: Yoshiki Industrial Co., Ltd, Uchida Yoko Co., Ltd.
    Inventors: Yasuo Yoshizawa, Hiroichi Kawaguchi, Kazunari Seto