Patents by Inventor Yoshiki OTA

Yoshiki OTA 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: 9476191
    Abstract: A flush toilet apparatus includes a tank and a jet pump unit. The tank includes: a first tank portion; and a second tank portion formed so as to extend part of a bottom wall of the first tank portion downward. The jet pump unit includes a throat pipe provided with a suction port that is an inlet of water, and at least the part of the second tank portion is formed at a position overlapping with the suction port when viewed from the top.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: October 25, 2016
    Assignee: TOTO LTD.
    Inventors: Hidekazu Kitaura, Ryoko Ishimaru, Tomohiro Iwabata, Yoshiki Ota, Takashi Yoshioka
  • Patent number: 9328495
    Abstract: A flush toilet apparatus includes a tank and a jet pump unit. A throat pipe of the jet pump unit includes a linear portion formed to linearly extend obliquely upward from a suction port that is an inlet of water. The suction port is formed so that the entire edge is along a horizontal surface.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: May 3, 2016
    Assignee: TOTO LTD.
    Inventors: Hidekazu Kitaura, Ryoko Ishimaru, Tomohiro Iwabata, Yoshiki Ota, Takashi Yoshioka
  • Patent number: 9021622
    Abstract: There is provided a flush toilet device capable of being configured in a compact size and supplying a sufficient flow amount of water to a toilet to reliably flush and discharge waste. According to the flush toilet device, a straight pipe portion of a throat which is arranged inside a tank is arranged in a state where a center axis thereof inclines with respect to a front-back direction of the tank when viewed from an upper side.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: May 5, 2015
    Assignee: Toto Ltd.
    Inventors: Hidekazu Kitaura, Ryoko Ishimaru, Tomohiro Iwabata, Yoshiki Ota, Takashi Yoshioka
  • Publication number: 20140289949
    Abstract: A flush toilet apparatus includes a tank and a jet pump unit. A throat pipe of the jet pump unit includes a linear portion formed to linearly extend obliquely upward from a suction port that is an inlet of water. The suction port is formed so that the entire edge is along a horizontal surface.
    Type: Application
    Filed: March 27, 2014
    Publication date: October 2, 2014
    Applicant: TOTO LTD.
    Inventors: Hidekazu KITAURA, Ryoko ISHIMARU, Tomohiro IWABATA, Yoshiki OTA, Takashi YOSHIOKA
  • Publication number: 20140289944
    Abstract: A flush toilet apparatus includes a tank and a jet pump unit. The tank includes: a first tank portion; and a second tank portion formed so as to extend part of a bottom wall of the first tank portion downward. The jet pump unit includes a throat pipe provided with a suction port that is an inlet of water, and at least the part of the second tank portion is formed at a position overlapping with the suction port when viewed from the top.
    Type: Application
    Filed: March 27, 2014
    Publication date: October 2, 2014
    Applicant: TOTO LTD.
    Inventors: Hidekazu KITAURA, Ryoko ISHIMARU, Tomohiro IWABATA, Yoshiki OTA, Takashi YOSHIOKA
  • Publication number: 20140289948
    Abstract: A flush toilet apparatus includes a tank and a jet pump unit. A throat pipe of the jet pump unit includes: a first linear portion formed to linearly extend obliquely upward from a suction port; and a second linear portion formed to linearly extend toward an inlet of a water conduit on a lower side, and the entire throat pipe is in an inverted U-shape when viewed from the side. The throat pipe is arranged so that an angle between a central axis of the second linear portion and a vertical direction is smaller than an angle between a central axis of the first linear portion and the vertical direction when viewed from the side.
    Type: Application
    Filed: March 27, 2014
    Publication date: October 2, 2014
    Applicant: TOTO LTD.
    Inventors: Hidekazu KITAURA, Ryoko ISHIMARU, Tomohiro IWABATA, Yoshiki OTA, Takashi YOSHIOKA
  • Publication number: 20140109307
    Abstract: There is provided a flush toilet device capable of being configured in a compact size and supplying a sufficient flow amount of water to a toilet to reliably flush and discharge waste. According to the flush toilet device WT, a straight pipe portion 243 of a throat 24 which is arranged inside a tank 11 is arranged in a state where a center axis thereof inclines with respect to a front-back direction of the tank 11 when viewed from an upper side.
    Type: Application
    Filed: October 11, 2013
    Publication date: April 24, 2014
    Applicant: TOTO LTD.
    Inventors: Hidekazu KITAURA, Ryoko ISHIMARU, Tomohiro IWABATA, Yoshiki OTA, Takashi YOSHIOKA