Patents by Inventor Yudai KANNO

Yudai KANNO 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: 9709959
    Abstract: An electric timepiece with a solar cell in which an aesthetic aspect is satisfied at low costs without decorating a dial trim ring and the power generation amount sufficient for driving a timepiece is obtained is provided. An electric timepiece with a solar cell includes a dial, a light permeable dial trim ring disposed to surround a center portion of the dial, and a solar cell disposed outside an outside surface of the dial trim ring to face the outside surface. An inclination surface is formed at least in a part of the outside surface of the dial trim ring, which faces the solar cell, the inclination surface inclines toward the center portion of the dial as going from the dial in a height direction of the dial trim ring, and a different color member having a color different from that of a light-receiving surface of the solar cell is provided to face a lower surface of the dial trim ring.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: July 18, 2017
    Assignee: Citizen Watch Co., Ltd.
    Inventor: Yudai Kanno
  • Publication number: 20160357156
    Abstract: An electric timepiece with a solar cell in which an aesthetic aspect is satisfied at low costs without decorating a dial trim ring and the power generation amount sufficient for driving a timepiece is obtained is provided. An electric timepiece with a solar cell includes a dial, a light permeable dial trim ring disposed to surround a center portion of the dial, and a solar cell disposed outside an outside surface of the dial trim ring to face the outside surface. An inclination surface is formed at least in a part of the outside surface of the dial trim ring, which faces the solar cell, the inclination surface inclines toward the center portion of the dial as going from the dial in a height direction of the dial trim ring, and a different color member having a color different from that of a light-receiving surface of the solar cell is provided to face a lower surface of the dial trim ring.
    Type: Application
    Filed: June 23, 2015
    Publication date: December 8, 2016
    Applicants: Citizen Holdings Co., Ltd, Citize Watch Co., Ltd
    Inventor: Yudai KANNO