Patents by Inventor Dai Nozaki

Dai Nozaki 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).

  • Patent number: 9658549
    Abstract: A toner having a toner particle including a binder resin, wherein the binder resin includes a styrene acrylic resin and a vinyl-modified crystalline polyester resin, the vinyl-modified crystalline polyester resin has a crystalline polyester segment having structures of following i) or a structure of following ii), i) at least two structures selected from the group consisting of a structure derived from an aliphatic dicarboxylic acid, a structure derived from an aliphatic diol and a structure derived from an aliphatic hydroxycarboxylic acid; ii) a structure derived from an aliphatic hydroxycarboxylic acid; and the vinyl-modified crystalline polyester resin has a specific modification rate.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: May 23, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Masatake Tanaka, Yoshihiro Nakagawa, Naoya Isono, Harumi Takada, Yuichi Yajima, Dai Nozaki
  • Publication number: 20160349640
    Abstract: A toner having a toner particle including a binder resin, wherein the binder resin includes a styrene acrylic resin and a vinyl-modified crystalline polyester resin, the vinyl-modified crystalline polyester resin has a crystalline polyester segment having structures of following i) or a structure of following ii), i) at least two structures selected from the group consisting of a structure derived from an aliphatic dicarboxylic acid, a structure derived from an aliphatic diol and a structure derived from an aliphatic hydroxycarboxylic acid; ii) a structure derived from an aliphatic hydroxycarboxylic acid; and the vinyl-modified crystalline polyester resin has a specific modification rate.
    Type: Application
    Filed: May 13, 2016
    Publication date: December 1, 2016
    Inventors: Masatake Tanaka, Yoshihiro Nakagawa, Naoya Isono, Harumi Takada, Yuichi Yajima, Dai Nozaki