Patents by Inventor Toshiaki Kanzaki

Toshiaki Kanzaki 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).

  • Laminated organic photosensitive material
    Patent number: 5116707
    Abstract: A laminated organic photosensitive material which comprises an electroconductive support, a charge producing formed thereon, wherein the charge transporting layer layer and a charge transporting layer contains a mixture of a bistyryl compound represented by the formula ##STR1## in an amount of 65-90% by weight based on the mixture as a first charge transporting substances and a further compound in an amount of 35-10% by weight based on the mixture as a second charge transporting substance, and the mixture has a glass transition temperature of not more than 45.degree. C.
    Type: Grant
    Filed: July 27, 1990
    Date of Patent: May 26, 1992
    Assignee: Bando Chemical Industries, Ltd.
    Inventors: Toshiaki Kanzaki, Yosuke Matsui
  • Laminated organic photosensitive material
    Patent number: 5079120
    Abstract: A laminated organic photosensitive material which comprises an electroconductive support, a charge producing layer and a charge transporting layer formed thereon wherein the charge producing layer contains X-type nonmetal phthalocyanine as a charge producing substance and a halogen-containing resin as a binder resin for the layer, and the charge transporting layer contains a hydrazone compound of the formula: ##STR1## as a charge transporting substance and a halogen-containing resin as a binder resin for the charge producing layer.
    Type: Grant
    Filed: August 30, 1990
    Date of Patent: January 7, 1992
    Assignee: Bando Chemical Industries, Ltd.
    Inventors: Tomokazu Kobata, Hisashi Izumi, Yosuke Matsui, Toshiaki Kanzaki