Patents by Inventor Tatsuhiko Yamada

Tatsuhiko Yamada 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).

  • Steering column device
    Patent number: 11970205
    Abstract: A steering column device includes a friction plate having a long hole though which an adjusting rod is inserted and a mounting hole, and sandwiched at least one of a portion between one of inner-side surfaces of a pair of support plate portions and an outer-side surface of a column-side bracket of a steering column, and a portion between one of outer-side surfaces of the pair of support plate portions and one of inner-side surfaces of a pair of pressing portions. The steering column device includes a hook portion having a cantilever beam structure that is inserted through the mounting hole in the width direction, and the hook portion has a restricting projection for restricting movement in the width direction of the friction plate.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: April 30, 2024
    Assignee: NSK LTD.
    Inventor: Tatsuhiko Yamada
  • STEERING COLUMN DEVICE
    Publication number: 20230406396
    Abstract: A steering column device includes a friction plate having a long hole though which an adjusting rod is inserted and a mounting hole, and sandwiched at least one of a portion between one of inner-side surfaces of a pair of support plate portions and an outer-side surface of a column-side bracket of a steering column, and a portion between one of outer-side surfaces of the pair of support plate portions and one of inner-side surfaces of a pair of pressing portions. The steering column device includes a hook portion having a cantilever beam structure that is inserted through the mounting hole in the width direction, and the hook portion has a restricting projection for restricting movement in the width direction of the friction plate.
    Type: Application
    Filed: December 8, 2021
    Publication date: December 21, 2023
    Applicant: NSK LTD.
    Inventor: Tatsuhiko YAMADA
  • Lignin-based enzyme stabilizer
    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
  • LIGNIN-BASED ENZYME STABILIZER
    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