Patents by Inventor Hiroshi SUMINAKA

Hiroshi SUMINAKA 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).

  • Operating device for flush water tank device
    Patent number: 9719238
    Abstract: The present invention relates to an operating device for a flush water tank device in a flush toilet wherein manual and motorized control units are configured to actuate a flush valve by means of a single connecting member operably connecting the manual and motorized control units to the flush valve. The operating device is characterized by a single connecting member operatively connected to the flush valve for opening and closing the flush valve depending on a pull-up amount of the connecting member, a manually operating unit for pulling up the single connecting member when a user performs a manual operation for the control unit, and an electrical drive unit adapted to pull up the single connecting member so as to actuate the flush valve by using an electrical power from an external power source.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: August 1, 2017
    Assignee: TOTO LTD.
    Inventors: Masaaki Momoe, Takashi Oogami, Masateru Shiraishi, Hiroshi Suminaka
  • OPERATING DEVICE FOR FLUSH WATER TANK DEVICE
    Publication number: 20150275492
    Abstract: The present invention relates to an operating device for a flush water tank device in a flush toilet wherein manual and motorized control units are configured to actuate a flush valve by means of a single connecting member operably connecting the manual and motorized control units to the flush valve. The operating device is characterized by a single connecting member operatively connected to the flush valve for opening and closing the flush valve depending on a pull-up amount of the connecting member, a manually operating unit for pulling up the single connecting member when a user performs a manual operation for the control unit, and an electrical drive unit adapted to pull up the single connecting member so as to actuate the flush valve by using an electrical power from an external power source.
    Type: Application
    Filed: March 17, 2015
    Publication date: October 1, 2015
    Applicant: TOTO LTD.
    Inventors: Masaaki MOMOE, Takashi OOGAMI, Masateru SHIRAISHI, Hiroshi SUMINAKA