Patents by Inventor Kouji Hirano

Kouji Hirano 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 using one component developing agent with roller applicator
    Patent number: 5095341
    Abstract: An image forming apparatus including a developing roller, opposing a rotatable photoreceptor, for supplying an one-component developing agent to the photoreceptor, and a blade for forming a developing agent layer of the one-component developing agent to be supplied to the photoreceptor on the developing roller.
    Type: Grant
    Filed: March 11, 1991
    Date of Patent: March 10, 1992
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Minoru Yoshida, Kouji Hirano