Patents by Inventor Katsuhiko Makita

Katsuhiko Makita 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).

  • Image forming apparatus with copy sheet size inputting and detection and corresponding selection of a copy sheet cassette
    Patent number: 5581344
    Abstract: An image forming apparatus in which a copy sheet size input mode is provided whereby an operator inputs copy sheet size data corresponding to copy sheets accommodated in a plurality of copy sheet cassettes. The size data is memorized in the RAM as a data of corresponding copy sheet cassette. Thereby, sensors adjacent to the copy sheet cassettes for sensing the size of the copy sheet accommodated in the cassettes can be omitted.
    Type: Grant
    Filed: March 16, 1995
    Date of Patent: December 3, 1996
    Assignee: Ricoh Company, Ltd.
    Inventor: Katsuhiko Makita
  • Magnification selecting device for a copier
    Patent number: 4758865
    Abstract: A device installed in a copier for selecting a magnification allows an operator to select a desired magnification by performing only a small number of manipulations which are predetermined on the basis of the format of paper sheets. This frees the operator from troublesome button selection and allows him or her to rapidly select a magnification with respect to different definite formats.
    Type: Grant
    Filed: August 17, 1987
    Date of Patent: July 19, 1988
    Assignee: Ricoh Company, Ltd.
    Inventor: Katsuhiko Makita