Patents by Inventor Kazuaki Edure

Kazuaki Edure 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 photosensitive member and image forming apparatus including electrophotographic photosensitive member
    Patent number: 9158264
    Abstract: A single-layer-type electrophotographic photosensitive member includes a layer disposed on an electrically conductive substrate, the layer including at least a charge-generating material, an electron transport material, a hole transport material, and a binder resin within the same layer. The charge-generating material contains a phthalocyanine pigment and N-type pigments including at least a perylene-based pigment and an azo-based pigment, and the total amount of the N-type pigments is 0.03 to 10 parts by mass relative to 1 part by mass of the phthalocyanine pigment.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: October 13, 2015
    Assignee: Kyocera Document Solutions Inc.
    Inventors: Yuko Iwashita, Kazutaka Sugimoto, Junichiro Otsubo, Yukimasa Watanabe, Kazuaki Edure
  • ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER AND IMAGE FORMING APPARATUS INCLUDING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
    Publication number: 20140120464
    Abstract: A single-layer-type electrophotographic photosensitive member includes a layer disposed on an electrically conductive substrate, the layer including at least a charge-generating material, an electron transport material, a hole transport material, and a binder resin within the same layer. The charge-generating material contains a phthalocyanine pigment and N-type pigments including at least a perylene-based pigment and an azo-based pigment, and the total amount of the N-type pigments is 0.03 to 10 parts by mass relative to 1 part by mass of the phthalocyanine pigment.
    Type: Application
    Filed: October 31, 2013
    Publication date: May 1, 2014
    Applicant: Kyocera Document Solutions Inc.
    Inventors: Yuko Iwashita, Kazutaka Sugimoto, Junichiro Otsubo, Yukimasa Watanabe, Kazuaki Edure