Patents by Inventor Ueru Chiba

Ueru Chiba 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 arrangement for word processor or the like electrode instrument or machine
    Patent number: 5186555
    Abstract: A keyboard, for use in a workprocessor or like electronic machine, includes multiple keys arranged in an array of rows and columns, a stationary base, a moveable operator connecting each key and the stationary base such that each key is moveable in four diagonal directions relative to the remaining keys, and spring strips and switch contacts disposed beneath each key and arranged such that movement of the key in any of the four diagonal directions closes a respective switch contact to produce a distinct function, e.g., an al0phanumeric character.
    Type: Grant
    Filed: May 8, 1991
    Date of Patent: February 16, 1993
    Inventor: Ueru Chiba