Patents by Inventor Yumin Chung

Yumin Chung 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).

  • Printer and paper tray having a user programmable paper size
    Patent number: 5923942
    Abstract: A printing device that includes a paper tray having adjustability for any number of paper sizes and a dial indicator that includes a predetermined number of standard or precut paper sizes and a setting that invokes a menu from which a user can select from an extended list of standard or precut paper sizes. The menu for selection of extended standard/precut paper sizes includes a setting which invokes a second menu from which a custom cut page size may be entered. The printer retrieves selected paper size or custom cut page size based on inputs from the menu and stores the retrieved sizes in memory so that the paper tray has an identified paper size located therein.
    Type: Grant
    Filed: November 14, 1997
    Date of Patent: July 13, 1999
    Assignee: Ricoh Company, Ltd.
    Inventors: Jayasimha Nuggehalli, Yumin Chung