Patents by Inventor Yasumitsu Uraki

Yasumitsu Uraki 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).

  • Publication number: 20190127889
    Abstract: Disclosed herein is cellulose acetate fibers that have an excellent affinity for resins and is capable of reinforcing resins. The cellulose acetate fibers have a cellulose triacetate I crystal structure and a number-average fiber diameter of 2 nm or more but 400 nm or less.
    Type: Application
    Filed: March 9, 2017
    Publication date: May 2, 2019
    Applicants: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, NIPPON PAPER INDUSTRIES CO., LTD., DAICEL CORPORATION
    Inventors: Yasumitsu URAKI, Haruo KONNO, Shu SHIMAMOTO
  • Patent number: 8911976
    Abstract: The invention relates to an enzyme stabilizer comprising a lignin derivative produced by reaction between lignin and a hydrophilic compound, and to a method of saccharifying lignocellulosic biomass which employs the enzyme stabilizer. According to the invention it is possible to accomplish effective saccharification of cellulosic biomass with saccharifying enzymes, by enhancing saccharifying enzyme activity and preventing nonspecific adsorption of saccharifying enzyme onto substrate.
    Type: Grant
    Filed: March 7, 2011
    Date of Patent: December 16, 2014
    Assignee: Forestry and Forest Products Research Institute
    Inventors: Yasumitsu Uraki, Harumi Honma, Tatsuhiko Yamada, Satoshi Kubo, Masanobu Nojiri
  • Publication number: 20120329100
    Abstract: The invention relates to an enzyme stabilizer comprising a lignin derivative produced by reaction between lignin and a hydrophilic compound, and to a method of saccharifying lignocellulosic biomass which employs the enzyme stabilizer. According to the invention it is possible to accomplish effective saccharification of cellulosic biomass with saccharifying enzymes, by enhancing saccharifying enzyme activity and preventing nonspecific adsorption of saccharifying enzyme onto substrate.
    Type: Application
    Filed: March 7, 2011
    Publication date: December 27, 2012
    Applicant: FORESTRY AND FOREST PRODUCTS RESEARCH INSTITUTE
    Inventors: Yasumitsu Uraki, Harumi Honma, Tatsuhiko Yamada, Satoshi Kubo, Masanobu Nojiri
  • Publication number: 20060083766
    Abstract: Anti-termite agent which comprises lignin or modified compound thereof as the active ingredient.
    Type: Application
    Filed: October 14, 2005
    Publication date: April 20, 2006
    Inventors: Naonori Miyata, Shinichi Ogino, Makoto Ubukata, Yasumitsu Uraki