Patents by Inventor Takeshi Kakutani

Takeshi Kakutani 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).

  • Electrophotographic image forming apparatus, electrophotographic image forming method, and electrophotographic photoreceptor
    Publication number: 20060188803
    Abstract: An electrophotographic image forming apparatus having: a photoreceptor which has a intermediate layer containing inorganic particles and a binder between a electroconductive substrate and an uppermost layer; a developing unit for developing an electrostatic latent image formed on the photoreceptor to make a toner image, the developing unit utilizing a liquid developer containing a toner and a carrier liquid; and a transferring unit for transferring the toner image onto a recording material, wherein a number-average primary particle diameter of the inorganic particles is from 5 to 300 nm, and the intermediate layer is covered with the uppermost layer.
    Type: Application
    Filed: December 12, 2005
    Publication date: August 24, 2006
    Inventors: Shinichi Yabuki, Takeshi Kakutani, Takeshi Ishida
  • Photosensitive member having surface protective layer with specified optical properties
    Patent number: 5536610
    Abstract: The present invention provides a photosensitive member composed of a photosensitive layer and a surface protective layer on an electrically substrate in this order, in which the surface protective layer comprises an amorphous carbon layer which has a specified ratio of absorptivity coefficients of infrared absorption peaks in infrared absorption spectrum.
    Type: Grant
    Filed: December 9, 1994
    Date of Patent: July 16, 1996
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Seishi Ojima, Kenji Masaki, Takeshi Kakutani, Toshiyuki Kobayashi, Isao Doi, Izumi Osawa