Patents by Inventor Hiroe Kizaki

Hiroe Kizaki 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 photoreceptor
    Patent number: 6824938
    Abstract: An electrophotographic photoreceptor having at least an undercoat layer and a photosensitive layer on an electroconductive substrate, wherein at least one layer of the undercoat layer contains a naphthalocyanine compound of the following formula (1): where, in the formula (1), M represents two hydrogen atoms, or a metal atom, provided that the metal atom may have a ligand, and each of X1, X2, X3 and X4 is a hydrogen atom or a substituent.
    Type: Grant
    Filed: July 17, 2002
    Date of Patent: November 30, 2004
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Hiroe Kizaki, Mamoru Nozomi, Tetsuo Ozawa, Kozo Ishio
  • Electrophotographic photoreceptor
    Publication number: 20030096180
    Abstract: An electrophotographic photoreceptor having at least an undercoat layer and a photosensitive layer on an electroconductive substrate, wherein at least one layer of the undercoat layer contains a naphthalocyanine compound of the following formula (1): 1
    Type: Application
    Filed: July 17, 2002
    Publication date: May 22, 2003
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Hiroe Kizaki, Mamoru Nozomi, Tetsuo Ozawa, Kozo Ishio
  • Electrophotographic receptor
    Patent number: 5344733
    Abstract: Disclosed is an electrophotographic receptor provided with an overcoat layer comprising a cured fluororesin and a nitrogen-containing compound selected from the group consisting of an aromatic amine antioxidant and a charge transport substance on the surface of a photosensitive layer containing a charge generating substance.
    Type: Grant
    Filed: November 4, 1992
    Date of Patent: September 6, 1994
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Shinichi Suzuki, Yasuyuki Shigematsu, Takashi Kojima, Hiroe Kizaki, akira Itsubo