Patents by Inventor Sunao Kato

Sunao Kato 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).

  • Patent number: 4675844
    Abstract: A word processing apparatus includes a ruled line memory in addition to a document memory. A ruled line pattern data is memorized in the ruled line memory and is permanently memorized in a floppy disc. The thus memorized ruled line pattern data is read out at a desired time and can be combined with a desired document data. The combined document data and the ruled line pattern data is applied to an image screen and a printer system.
    Type: Grant
    Filed: September 2, 1982
    Date of Patent: June 23, 1987
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Shigeari Yasuda, Sunao Kato