Patents by Inventor Jyunko Mizuno

Jyunko Mizuno 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).

  • Apparatus and method for inhibiting dust adherence to the contact plate of a copying machine
    Patent number: 5576804
    Abstract: A moving optical system assembly is disposed under a contact glass for supporting a document on the upper surface of a frame of a copying machine, and comprises a moving frame 2 equipped with a source of light 4, and a document sensor arm 10 which undergoes expansion or contraction accompanying the movement of the moving frame 2, wherein a transparent electrically conducting film 20 is laminated on the upper surface of the document sensor arm 10. This assembly effectively prevents dust from adhering on the lower surface of the contact glass.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: November 19, 1996
    Assignee: Mita Industrial Co., Ltd.
    Inventors: Atsushi Hakamoto, Jyunko Mizuno, Seiichi Yamashita