Patents by Inventor Masahiro Ishie

Masahiro Ishie 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: 7879517
    Abstract: An electrophotographic photoreceptor is disclosed, comprising on an electrically conductive support an intermediate layer, a charge generation layer and a charge transport layer in this order, wherein the charge transport layer contains a charge transport material represented by formula (1) and a compound represented by formula (2) and the content of the compound represented by formula (2) is not less than 100 ppm and not more than 5000 ppm.
    Type: Grant
    Filed: July 19, 2007
    Date of Patent: February 1, 2011
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventors: Tomoo Sakimura, Masahiro Ishie, Shinichi Yabuki, Hidaya Miwa
  • ELECTROPHOTOGRAPHIC PHOTORECEPTOR
    Publication number: 20080057427
    Abstract: An electrophotographic photoreceptor is disclosed, comprising on an electrically conductive support an intermediate layer, a charge generation layer and a charge transport layer in this order, wherein the charge transport layer contains a charge transport material represented by formula (1) and a compound represented by formula (2) and the content of the compound represented by formula (2) is not less than 100 ppm and not more than 5000 ppm.
    Type: Application
    Filed: July 19, 2007
    Publication date: March 6, 2008
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Tomoo SAKIMURA, Masahiro ISHIE, Shinichi YABUKI, Hidaya MIWA