Patents by Inventor Takeya ICHIYANAGI

Takeya ICHIYANAGI 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: 10450735
    Abstract: In a flush toilet, a base plate, in which a function unit is installed, is provided on a recessed portion formed on a rear upper surface of a toilet bowl of a toilet main body. Hole portions that are open downward are provided in the recessed portion. The base plate is provided with bottomed protrusion portions fitted into the hole portions and accommodates a part of the function unit. Flow channels are provided between the base plate and the recessed portion, so that water inside the toilet bowl is discharged to a floor surface from the flow channels from the hole portions before the water overflows.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: October 22, 2019
    Assignee: LIXIL Corporation
    Inventors: Saori Ichihara, Isato Hirasawa, Tomoya Sasaki, Takeya Ichiyanagi, Makoto Saruta
  • Publication number: 20190153712
    Abstract: A flush toilet includes: a toilet main body; a rim which is provided on an upper portion of a toilet bowl of the toilet main body and which flows a flush water into the toilet bowl; and a water level detection sensor which is provided inside the rim.
    Type: Application
    Filed: February 16, 2017
    Publication date: May 23, 2019
    Applicant: LIXIL Corporation
    Inventors: Saori ICHIHARA, Isato HIRASAWA, Tomoya SASAKI, Takeya ICHIYANAGI, Sou OKUIZUMI, Makoto SARUTA
  • Patent number: 10294644
    Abstract: Afforded are: a toilet body including a toilet bowl part, a rim conduit 36, and a rim part; and a functional component mounted on an upper surface part of the toilet body, rearward of the toilet bowl part. The upper surface part includes a cut-out part formed such as to be recessed downward from the other part of the upper surface part. The functional component is disposed on the cut-out part such as to be partially positioned downward with respect to an upper surface of the rim part, and such as to be partially stuck out into the toilet bowl part from upon the cut-out part, and, on a bottom surface of the stuck-out part, the functional component is provided with a conduit forming surface serving as an upper surface of the rim conduit.
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: May 21, 2019
    Assignee: LIXIL CORPORATION
    Inventors: Akiya Saeki, Hiroaki Watanabe, Yukihiro Inoue, Tooru Higashino, Masato Takeda, Akiya Oohira, Takeya Ichiyanagi, Yasuhiro Kondo, Hironao Inoue, Tetsuo Hata
  • Publication number: 20190112798
    Abstract: A toilet flushing device includes a first rim water pipe within which is formed a first water passage through which water flows to a first rim discharge hole, through which water is discharged to a rim part of a toilet bowl. The first rim water pipe extends from the first rim discharge hole toward a rear part of the toilet bowl, and the rear part side of the first rim water pipe is positioned lower than the first rim discharge hole.
    Type: Application
    Filed: January 24, 2017
    Publication date: April 18, 2019
    Applicant: LIXIL Corporation
    Inventors: Ken HIGUCHI, Takeya ICHIYANAGI, Yasuhiro KONDO
  • Publication number: 20190032319
    Abstract: In a flush toilet, a base plate, in which a function unit is installed, is provided on a recessed portion formed on a rear upper surface of a toilet bowl of a toilet main body. Hole portions that are open downward are provided in the recessed portion. The base plate is provided with bottomed protrusion portions fitted into the hole portions and accommodates a part of the function unit. Flow channels are provided between the base plate and the recessed portion, so that water inside the toilet bowl is discharged to a floor surface from the flow channels from the hole portions before the water overflows.
    Type: Application
    Filed: January 6, 2017
    Publication date: January 31, 2019
    Applicant: LIXIL Corporation
    Inventors: Saori ICHIHARA, Isato HIRASAWA, Tomoya SASAKI, Takeya ICHIYANAGI, Makoto SARUTA
  • Patent number: 10136775
    Abstract: A toilet bowl apparatus includes: a toilet bowl main body; a functional part installed at an upper section of the toilet bowl main body; a seal member attached to at least one of the toilet bowl main body and the functional part and disposed in a gap between the toilet bowl main body and the functional part, and the seal member includes a soft seal body and an elastic body covered by the soft seal body.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: November 27, 2018
    Assignee: Lixil Corporation
    Inventors: Saori Ichihara, Isato Hirasawa, Yasuhiro Kondo, Takeya Ichiyanagi
  • Publication number: 20170290475
    Abstract: A toilet bowl apparatus includes: a toilet bowl main body; a functional part installed at an upper section of the toilet bowl main body; a seal member attached to at least one of the toilet bowl main body and the functional part and disposed in a gap between the toilet bowl main body and the functional part, and the seal member includes a soft seal body and an elastic body covered by the soft seal body.
    Type: Application
    Filed: April 6, 2017
    Publication date: October 12, 2017
    Inventors: Saori Ichihara, Isato Hirasawa, Yasuhiro Kondo, Takeya Ichiyanagi
  • Publication number: 20170247870
    Abstract: Afforded are: a toilet body including a toilet bowl part, a rim conduit 36, and a rim part; and a functional component mounted on an upper surface part of the toilet body, rearward of the toilet bowl part. The upper surface part includes a cut-out part formed such as to be recessed downward from the other part of the upper surface part. The functional component is disposed on the cut-out part such as to be partially positioned downward with respect to an upper surface of the rim part, and such as to be partially stuck out into the toilet bowl part from upon the cut-out part, and, on a bottom surface of the stuck-out part, the functional component is provided with a conduit forming surface serving as an upper surface of the rim conduit.
    Type: Application
    Filed: May 15, 2017
    Publication date: August 31, 2017
    Applicant: LIXIL Corporation
    Inventors: Akiya SAEKI, Hiroaki WATANABE, Yukihiro INOUE, Tooru HIGASHINO, Masato TAKEDA, Akiya OOHIRA, Takeya ICHIYANAGI, Yasuhiro KONDO, Hironao INOUE, Tetsuo HATA