Patents by Inventor Masahige Tamura

Masahige Tamura 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
    Publication number: 20060182470
    Abstract: An image forming apparatus includes a developing device for developing an electrostatic image formed on an image bearing member with a magnetic developer; a supply tube for supplying t magnetic developer into the developing device; a feeding screw for feeding the magnetic developer in the supply tube; a magnetic member for confining the magnetic developer in a clearance between the supply tube and the feeding screw, wherein the magnetic member is extended along an outer configuration of the feeding screw.
    Type: Application
    Filed: April 10, 2006
    Publication date: August 17, 2006
    Applicant: Canon Kabushiki Kaisha
    Inventors: Masahige Tamura, Makoto Kitahara