Patents by Inventor Tomoko Takezawa

Tomoko Takezawa 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).

  • Epoxy resin, epoxy resin composition, epoxy resin cured product, and composite material
    Patent number: 11919995
    Abstract: An epoxy resin, comprising an epoxy compound having two or more mesogenic structures, and having a loss tangent of 1 or more at 35° C. before curing.
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: March 5, 2024
    Assignee: RESONAC CORPORATION
    Inventors: Naoki Maruyama, Tomoko Higashiuchi, Kazumasa Fukuda, Hideyuki Katagi, Yuki Nakamura, Yoshitaka Takezawa
  • Method for quantitatively measuring sugar-alcohol, column and kit therefor
    Patent number: 5468380
    Abstract: A present invention relates to a method for quantitatively determining sugar-alcohols characterized by passing test samples containing sugar-alcohols, proteins, and saccharides through a column filled with basic anion-exchange resins which have a protein-removing ability and a saccharide-removing ability, and then quantitaing the sugar-alcohols in the effluent out of the column, a column filled with said resins and an aqueous solution of boric acid, and a kit. Sugar-alcohols such as 1,5-anhydroglucitol and the like have been calling attention as markers for diabetes mellitus recently.
    Type: Grant
    Filed: January 4, 1995
    Date of Patent: November 21, 1995
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Masahiko Yabuuchi, Hiroshi Akanuma, Minoru Masuda, Kazuo Katoh, Tsuneo Nakamura, Shigeru Tajima, Masashi Hashiba, Hiroshi Hayami, Tomoko Takezawa, Masachika Hirayama
  • Method for quantitatively measuring sugar-alcohol, column and kit therefor
    Patent number: 5407806
    Abstract: A present invention relates to a method for quantitatively determining sugar-alcohols characterized by passing test samples containing sugar-alcohols, proteins, and saccharides through a column filled with basic anion-exchange resins which have a protein-removing ability and a saccharide-removing ability, and then quantitaing the sugar-alcohols in the effluent out of the column, a column filled with said resins and an aqueous solution of boric acid, and a kit. Sugar-alcohols such as 1,5-anhydroglucitol and the like have been calling attention as markers for diabetes mellitus recently.
    Type: Grant
    Filed: January 22, 1993
    Date of Patent: April 18, 1995
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Masahiko Yabuuchi, Hiroshi Akanuma, Minoru Masuda, Kazuo Katoh, Tsuneo Nakamura, Shigeru Tajima, Masashi Hashiba, Hiroshi Hayami, Tomoko Takezawa, Masachika Hirayama