Patents by Inventor Ryo WAKUDA

Ryo WAKUDA 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: 10483056
    Abstract: In a first aspect of the present disclosure, a push switch includes a resilient member that is made of metal, and the resilient member including a concave shape and an opening that is positioned at a center of the concave shape and at least two protrusions each protruding outward and downward with an oblique angle around the concave shape.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: November 19, 2019
    Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN WATCH CO., LTD.
    Inventor: Ryo Wakuda
  • Patent number: 10381177
    Abstract: A push switch includes a substrate including a first electrode and a second electrode that are arranged on an upper surface of the substrate; a resilient member arranged on the first electrode over the second electrode of the substrate; and a light-transmitting member including a crosslinked product of a chain olefin-cyclic olefin copolymer. The light-transmitting member covers the resilient member from above and includes an upper surface, a lower surface, a peripheral side surface between edges of the upper surface and edges of the lower surface of the light-transmitting member, and a periphery of the lower surface of the light-transmitting member. The periphery may be fixed on the substrate.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: August 13, 2019
    Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN WATCH CO., LTD.
    Inventor: Ryo Wakuda
  • Patent number: 10256055
    Abstract: In a first aspect of the present disclosure, a push switch includes a substrate including a first electrode and a second electrode arranged on an upper surface of the substrate, the second electrode arranged around the first electrode; and a resilient member that is arranged on the second electrode over the first electrode. The substrate includes a recess in a lower surface of the substrate, and the recess is positioned below the first electrode that is arranged on the upper surface of the substrate.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: April 9, 2019
    Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN WATCH CO., LTD.
    Inventors: Toyohiko Amano, Satoshi Okuma, Ryo Wakuda, Ryo Itakura, Mitsunori Miura
  • Patent number: 10115541
    Abstract: A switch component includes a spring plate and a cover of rubber. The cover of rubber covers at least one part of an upper surface of the spring plate. The cover of rubber includes at least one pair of supporting portions that support the spring plate.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: October 30, 2018
    Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN WATCH CO., LTD.
    Inventor: Ryo Wakuda
  • Patent number: 10096439
    Abstract: In a first aspect of the present disclosure, a spring plate includes a central portion; a first leg portion projecting outward from an edge of the central portion; and a second leg portion projecting outward from the edge of the central portion. The first leg portion includes a hollow portion that is positioned within an outline of the first leg portion in a top plan view, and the second leg portion includes a hollow portion that is positioned within an outline of the second leg portion in a top plan view.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: October 9, 2018
    Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN WATCH CO., LTD.
    Inventor: Ryo Wakuda
  • Publication number: 20180151312
    Abstract: A switch component includes a spring plate and a cover of rubber. The cover of rubber covers at least one part of an upper surface of the spring plate. The cover of rubber includes at least one pair of supporting portions that support the spring plate.
    Type: Application
    Filed: May 11, 2017
    Publication date: May 31, 2018
    Inventor: Ryo WAKUDA
  • Publication number: 20180068810
    Abstract: In a first aspect of the present disclosure, a spring plate includes a central portion; a first leg portion projecting outward from an edge of the central portion; and a second leg portion projecting outward from the edge of the central portion. The first leg portion includes a hollow portion that is positioned within an outline of the first leg portion in a top plan view, and the second leg portion includes a hollow portion that is positioned within an outline of the second leg portion in a top plan view.
    Type: Application
    Filed: July 6, 2017
    Publication date: March 8, 2018
    Inventor: Ryo WAKUDA
  • Publication number: 20180025860
    Abstract: In a first aspect of the present disclosure, a push switch includes a resilient member that is made of metal, and the resilient member including a concave shape and an opening that is positioned at a center of the concave shape and at least two protrusions each protruding outward and downward with an oblique angle around the concave shape.
    Type: Application
    Filed: July 12, 2017
    Publication date: January 25, 2018
    Inventor: Ryo WAKUDA
  • Publication number: 20180012712
    Abstract: In a first aspect of the present disclosure, a push switch includes a substrate including a first electrode and a second electrode arranged on an upper surface of the substrate, the second electrode arranged around the first electrode; and a resilient member that is arranged on the second electrode over the first electrode. The substrate includes a recess in a lower surface of the substrate, and the recess is positioned below the first electrode that is arranged on the upper surface of the substrate.
    Type: Application
    Filed: June 30, 2017
    Publication date: January 11, 2018
    Inventors: Toyohiko AMANO, Satoshi OKUMA, Ryo WAKUDA, Ryo ITAKURA, Mitsunori MIURA
  • Publication number: 20170330708
    Abstract: A switch component includes a spring plate and a cover of rubber. The cover of rubber covers at least one part of an upper surface of the spring plate. The cover of rubber includes at least one pair of supporting portions that support the spring plate.
    Type: Application
    Filed: May 11, 2017
    Publication date: November 16, 2017
    Inventor: Ryo WAKUDA
  • Publication number: 20170263391
    Abstract: In a first aspect of the present disclosure, a push switch includes a substrate including a first electrode and a second electrode that are arranged on an upper surface of the substrate; a resilient member arranged on the first electrode over the second electrode of the substrate; and a light-transmitting member including a crosslinked product of a chain olefin-cyclic olefin copolymer. The light-transmitting member covers the resilient member from above and includes an upper surface, a lower surface, a peripheral side surface between edges of the upper surface and edges of the lower surface of the light-transmitting member, and a periphery of the lower surface of the light-transmitting member. The periphery may be fixed on the substrate.
    Type: Application
    Filed: March 13, 2017
    Publication date: September 14, 2017
    Inventor: Ryo WAKUDA
  • Patent number: D956704
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: July 5, 2022
    Assignees: Citizen Electronics Co., Ltd., Citizen Watch Co., Ltd.
    Inventor: Ryo Wakuda