Patents by Inventor Makoto Shimazoe

Makoto Shimazoe 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 device with transfer unit
    Patent number: 5717980
    Abstract: An image forming device having a transfer unit that transfers the toner image formed on the image carrier onto transfer paper, such that the toner image can be transferred with good results regardless of fluctuations in the environment, by (a) returning to the feedback side of the power source, via a constant voltage element, part of the electric current that flows to (i) the transfer unit, to which a prescribed voltage is applied by the power source, and (ii) the guide member that supports the transfer paper, said electric current flowing to said guide member via said transfer paper, and by (b) controlling the voltage of the power source such that the voltage on the feedback side of the power source will be constant.
    Type: Grant
    Filed: November 7, 1996
    Date of Patent: February 10, 1998
    Assignee: Minolta Co., Ltd.
    Inventors: Takeki Oka, Makoto Shimazoe, Munenori Nakano, Hirohisa Shirai