Patents by Inventor Masanobu Saito

Masanobu Saito 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).

  • Charging device with contactable charging means and an image forming apparatus having the charging means and a detachable process unit
    Patent number: 5126913
    Abstract: A charging device for charging a moving member to be charged includes charging device for being contacted to the member to be charged to charge the member; a voltage source for applying a vibratory voltage to the charging device; wherein the charging device includes a first layer contactable to the member to be charged, a second layer adjacent thereto wherein the first layer is a dielectric layer having a volume resistivity larger than that of the second layer.
    Type: Grant
    Filed: August 29, 1991
    Date of Patent: June 30, 1992
    Assignee: Canon Kabushiki Kaisha
    Inventors: Junji Araya, Masanobu Saito, Hiroki Kisu, Yohji Tomoyuki, Shunji Nakamura, Noribumi Koitabashi, Hiroyuki Adachi