Patents by Inventor Shoji Hirota

Shoji Hirota 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 moveable cover
    Patent number: 5287143
    Abstract: An image forming apparatus using an electrophotographic system.
    Type: Grant
    Filed: April 28, 1992
    Date of Patent: February 15, 1994
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Shoji Hirota, Hiromitsu Koizumi