Patents by Inventor Koichi Motooka

Koichi Motooka 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: 11572682
    Abstract: A flush toilet apparatus includes a toilet body that includes a rim water spout port, a tank that stores washing water, a rim side water supply channel that supplies washing water to the rim water spout port, a tank side water supply channel that supplies washing water to the tank, a flow channel switching part that adjusts an amount of washing water that is supplied to one or both of the rim side water supply channel and the tank side water supply channel, and an electrical power failure detection part that detects electrical power failure, wherein, in a case where electrical power failure is caused when washing water is supplied to the tank side water supply channel, the flow channel switching part decreases washing water that is supplied to the tank side water supply channel and increases washing water that is supplied to the rim side water supply channel.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: February 7, 2023
    Assignee: TOTO LTD.
    Inventors: Hideaki Kashimura, Hiroki Tanaka, Kenji Watanabe, Satoshi Takano, Yoshikatsu Adachi, Koichi Motooka, Yuki Hayashi
  • Publication number: 20220275625
    Abstract: A flush toilet apparatus includes a toilet body that includes a rim water spout port, a tank that stores washing water, a rim side water supply channel that supplies washing water to the rim water spout port, a tank side water supply channel that supplies washing water to the tank, a flow channel switching part that adjusts an amount of washing water that is supplied to one or both of the rim side water supply channel and the tank side water supply channel, and an electrical power failure detection part that detects electrical power failure, wherein, in a case where electrical power failure is caused when washing water is supplied to the tank side water supply channel, the flow channel switching part decreases washing water that is supplied to the tank side water supply channel and increases washing water that is supplied to the rim side water supply channel.
    Type: Application
    Filed: February 11, 2022
    Publication date: September 1, 2022
    Inventors: Hideaki Kashimura, Hiroki Tanaka, Kenji Watanabe, Satoshi Takano, Yoshikatsu Adachi, Koichi Motooka, Yuki Hayashi