Patents by Inventor Yoshiki Koizumi

Yoshiki Koizumi 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).

  • Input apparatus
    Patent number: 5883616
    Abstract: An input apparatus that allows those who are severely physically handicapped for example to enter characters with comparative ease and minimizes the chance of making error entries.
    Type: Grant
    Filed: February 24, 1997
    Date of Patent: March 16, 1999
    Assignees: Alps Electric Co., Ltd., Yokohama City Rehabilitation Corporation
    Inventors: Yoshiki Koizumi, Masatoshi Uchio, Takuro Hatakeyama