Patents by Inventor Kanako FUNABASHI

Kanako FUNABASHI 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).

  • Binder resin for toners, toner, and method for producing same
    Patent number: 10394146
    Abstract: A binder resin for toner of the present invention comprising: a polyester resin (A) which contains a constitutional unit derived from isosorbide and has a softening temperature of higher than 120° C.; and a polyester resin (B) different from the polyester resin (A), wherein the binder resin for toner has a pulverizability index of 25 or more.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: August 27, 2019
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Tadahiro Ozawa, Yoko Tamura, Kanako Funabashi
  • Binder resin for toner, toner, and manufacturing method therefor
    Patent number: 10254671
    Abstract: A binder resin for toner of the present invention comprising: a polyester resin (A) which contains a constitutional unit derived from isosorbide and has a softening temperature of 120° C. or lower; and a polyester resin (B) different from the polyester resin (A), wherein the binder resin for toner has a hygroscopicity index of 2 or less and contains a tetrahydrofuran-insoluble matter at 5% by mass or less.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: April 9, 2019
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Tadahiro Ozawa, Yoko Tamura, Kanako Funabashi
  • BINDER RESIN FOR TONERS, TONER, AND METHOD FOR PRODUCING SAME
    Publication number: 20180173124
    Abstract: A binder resin for toner of the present invention comprising: a polyester resin (A) which contains a constitutional unit derived from isosorbide and has a softening temperature of higher than 120° C.; and a polyester resin (B) different from the polyester resin (A), wherein the binder resin for toner has a pulverizability index of 25 or more.
    Type: Application
    Filed: June 1, 2016
    Publication date: June 21, 2018
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Tadahiro OZAWA, Yoko TAMURA, Kanako FUNABASHI
  • BINDER RESIN FOR TONER, TONER, AND MANUFACTURING METHOD THEREFOR
    Publication number: 20180136576
    Abstract: A binder resin for toner of the present invention comprising: a polyester resin (A) which contains a constitutional unit derived from isosorbide and has a softening temperature of 120° C. or lower; and a polyester resin (B) different from the polyester resin (A), wherein the binder resin for toner has a hygroscopicity index of 2 or less and contains a tetrahydrofuran-insoluble matter at 5% by mass or less.
    Type: Application
    Filed: June 1, 2016
    Publication date: May 17, 2018
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Tadahiro OZAWA, Yoko TAMURA, Kanako FUNABASHI