Patents by Inventor Masuhito Yasui

Masuhito Yasui 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: 9173727
    Abstract: In a shade guide, a plurality of shade tabs whose colors are mutually different are arranged regularly based on the colors. The arrangement of the plurality of shade tabs is an arrangement determined based on: S values and V values that are determined according to to which areas, from among areas partitioned by a plurality of straight lines in an L*-C* plane, the coordinates of the colors of the shade tabs belong, and H values that are determined according to to which areas, from among areas partitioned by a plurality of straight lines in an a*-b* plane, the coordinates belong. S groups, each of which is a shade tab group having a common S value, are arranged in the shade guide. V rows, each of which is a shade tab group having a common V value, are arranged in each S group. In each V row, the plurality of shade tabs have mutually different H values and are aligned in an order that is in accordance with the H values.
    Type: Grant
    Filed: July 6, 2007
    Date of Patent: November 3, 2015
    Assignee: SHOFU INC.
    Inventors: Makoto Yamamoto, Ryuichi Yosimoto, Noriyuki Negoro, Masuhito Yasui, Kouji Shou
  • Publication number: 20100173257
    Abstract: In a shade guide, a plurality of shade tabs whose colors are mutually different are arranged regularly based on the colors. The arrangement of the plurality of shade tabs is an arrangement determined based on: S values and V values that are determined according to to which areas, from among areas partitioned by a plurality of straight lines in an L*-C* plane, the coordinates of the colors of the shade tabs belong, and H values that are determined according to to which areas, from among areas partitioned by a plurality of straight lines in an a*-b* plane, the coordinates belong. S groups, each of which is a shade tab group having a common S value, are arranged in the shade guide. V rows, each of which is a shade tab group having a common V value, are arranged in each S group. In each V row, the plurality of shade tabs have mutually different H values and are aligned in an order that is in accordance with the H values.
    Type: Application
    Filed: July 6, 2007
    Publication date: July 8, 2010
    Applicant: SHOFU INC.
    Inventors: Makoto Yamamoto, Ryuichi Yosimoto, Noriyuki Negoro, Masuhito Yasui, Kouji Shou