Patents by Inventor Yukari Kawazu

Yukari Kawazu 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: 11486122
    Abstract: A flush toilet includes a toilet main body, a tank device provided behind the toilet main body, and a private part washing device configured to wash a private part of a user, the private part washing device being provided on a rear upper surface of the toilet main body behind the bowl. The tank device includes a water supply part configured to supply flush water supplied from a water supply source, a storage tank for storing the flush water supplied from the water supply part, the storage tank being located behind the private part washing device and above a floor surface, a pump configured to feed the flush water in the storage tank to the toilet main body, and a controller configured to control operation of the water supply part and the pump, and the controller is disposed on an outer upper surface of the storage tank.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: November 1, 2022
    Assignee: TOTO LTD.
    Inventors: Yukari Kawazu, Toshiro Umeno, Shu Kashirajima
  • Patent number: 11339559
    Abstract: A flush toilet includes a toilet main body and a tank device, and the tank device includes a storage tank and a tank mounting member to which the storage tank is detachably attached. At a time of attachment of the storage tank to the tank mounting member, an attaching portion of the storage tank is engaged with an attachment-receiving portion of the tank mounting member by the storage tank being lowered onto a base of the tank mounting member from above. Then, when the storage tank is moved in a horizontal direction relative to the tank mounting member, the attaching portion of the storage tank is configured to be fixed to the attachment-receiving portion of the tank mounting member.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: May 24, 2022
    Assignee: TOTO LTD.
    Inventors: Hideo Iwaki, Shu Kashirajima, Yukari Kawazu, Takahiro Hara
  • Patent number: 11136752
    Abstract: A flush toilet includes a toilet main body, a flush water tank device, and connection conduits for supplying, to a toilet main body, flush water supplied from a reservoir tank. The reservoir tank includes a large tank portion on a large volume side in the reservoir tank when the reservoir tank is divided into two at the left-right center and a small tank portion on a small volume side in the reservoir tank when the reservoir tank is divided into two at the left-right center. The upstream end of one connection conduit is connected to the large tank portion and, on the other hand, the downstream end of the other connection conduit is connected to the other side of the toilet main body divided into two at the left-right center.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: October 5, 2021
    Assignee: TOTO LTD.
    Inventors: Shu Kashirajima, Takahiro Hara, Masaki Mori, Yukari Kawazu, Tsubasa Ishibashi, Hironori Yamasaki
  • Publication number: 20210095449
    Abstract: A flush toilet includes a toilet main body and a tank device, and the tank device includes a storage tank and a tank mounting member to which the storage tank is detachably attached. At a time of attachment of the storage tank to the tank mounting member, an attaching portion of the storage tank is engaged with an attachment-receiving portion of the tank mounting member by the storage tank being lowered onto a base of the tank mounting member from above. Then, when the storage tank is moved in a horizontal direction relative to the tank mounting member, the attaching portion of the storage tank is configured to be fixed to the attachment-receiving portion of the tank mounting member.
    Type: Application
    Filed: September 18, 2020
    Publication date: April 1, 2021
    Inventors: Hideo IWAKI, Shu KASHIRAJIMA, Yukari KAWAZU, Takahiro HARA
  • Publication number: 20210095450
    Abstract: A flush toilet includes a toilet main body, a tank device provided behind the toilet main body, and a private part washing device configured to wash a private part of a user, the private part washing device being provided on a rear upper surface of the toilet main body behind the bowl. The tank device includes a water supply part configured to supply flush water supplied from a water supply source, a storage tank for storing the flush water supplied from the water supply part, the storage tank being located behind the private part washing device and above a floor surface, a pump configured to feed the flush water in the storage tank to the toilet main body, and a controller configured to control operation of the water supply part and the pump, and the controller is disposed on an outer upper surface of the storage tank.
    Type: Application
    Filed: September 18, 2020
    Publication date: April 1, 2021
    Inventors: Yukari KAWAZU, Toshiro UMENO, Shu KASHIRAJIMA
  • Patent number: 10863877
    Abstract: According to one embodiment, a toilet lid device includes a casing, a toilet seat and a toilet lid rotatably supported with respect to the casing, and a first support portion and a second support portion rotatably supporting the toilet lid with respect to the casing. The casing is provided between left and right side surfaces of the casing. The casing includes first and second grooves. The first and second grooves are not exposed on the left and right side surfaces. The toilet lid includes first and second hinge portions. The first hinge portion is connected to the first support portion in the first groove, and the second hinge portion is connected to the second support portion in the second groove. Each of the left and right side surfaces of the casing does not include a step backward a rear end of the toilet seat.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: December 15, 2020
    Assignee: TOTO LTD.
    Inventors: Masayuki Mochita, Yukari Kawazu, Megumi Hirayama, Minoru Matsui
  • Publication number: 20200308816
    Abstract: A flush toilet includes a toilet main body, a flush water tank device, and connection conduits for supplying, to a toilet main body, flush water supplied from a reservoir tank. The reservoir tank includes a large tank portion on a large volume side in the reservoir tank when the reservoir tank is divided into two at the left-right center and a small tank portion on a small volume side in the reservoir tank when the reservoir tank is divided into two at the left-right center. The upstream end of one connection conduit is connected to the large tank portion and, on the other hand, the downstream end of the other connection conduit is connected to the other side of the toilet main body divided into two at the left-right center.
    Type: Application
    Filed: March 19, 2020
    Publication date: October 1, 2020
    Applicant: TOTO LTD.
    Inventors: Shu KASHIRAJIMA, Takahiro HARA, Masaki MORI, Yukari KAWAZU, Tsubasa ISHIBASHI, Hironori YAMASAKI
  • Patent number: 10758097
    Abstract: According to one embodiment, a toilet lid device includes a casing, and a toilet seat and a toilet lid rotatably supported with respect to the casing. A lower surface of the toilet lid covers an upper surface of the toilet seat and an upper surface of the casing in a state of the toilet lid closed. The lower surface of the toilet lid has a first lower surface parallel to the upper surface of the toilet seat and a second lower surface parallel to the upper surface of the casing.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: September 1, 2020
    Assignee: TOTO LTD.
    Inventors: Masayuki Mochita, Yukari Kawazu, Megumi Hirayama
  • Publication number: 20190200819
    Abstract: According to one embodiment, a toilet lid device includes a casing, a toilet seat and a toilet lid rotatably supported with respect to the casing, and a first support portion and a second support portion rotatably supporting the toilet lid with respect to the casing. The casing is provided between left and right side surfaces of the casing. The casing includes first and second grooves. The first and second grooves are not exposed on the left and right side surfaces. The toilet lid includes first and second hinge portions. The first hinge portion is connected to the first support portion in the first groove, and the second hinge portion is connected to the second support portion in the second groove. Each of the left and right side surfaces of the casing does not include a step backward a rear end of the toilet seat.
    Type: Application
    Filed: December 10, 2018
    Publication date: July 4, 2019
    Inventors: Masayuki Mochita, Yukari Kawazu, Megumi Hirayama, Minoru Matsui
  • Publication number: 20190200820
    Abstract: According to one embodiment, a toilet lid device includes a casing, and a toilet seat and a toilet lid rotatably supported with respect to the casing. A lower surface of the toilet lid covers an upper surface of the toilet seat and an upper surface of the casing in a state of the toilet lid closed. The lower surface of the toilet lid has a first lower surface parallel to the upper surface of the toilet seat and a second lower surface parallel to the upper surface of the casing.
    Type: Application
    Filed: December 10, 2018
    Publication date: July 4, 2019
    Inventors: Masayuki Mochita, Yukari Kawazu, Megumi Hirayama
  • Patent number: 10299640
    Abstract: A sanitary washing apparatus according to an embodiment includes a base plate and a body part. The base plate has a pair of mounting holes that corresponds to a pair of through-holes formed on an upper surface of a toilet bowl and is mounted on the upper surface of the toilet bowl by inserting fastening members mounted on the pair of mounting holes through the pair of through-holes. The body part incorporates a functional component that includes a washing nozzle, and is mounted on the toilet bowl via the base plate. Furthermore, a mounting part for the body part is formed only between the pair of mounting holes on the base plate.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: May 28, 2019
    Assignee: TOTO LTD.
    Inventors: Tomomi Rokuta, Akihiro Ashihara, Yukari Kawazu, Tomoaki Suetsugu, Masayuki Mochita
  • Publication number: 20180049606
    Abstract: A sanitary washing apparatus according to an embodiment includes a base plate and a body part. The base plate has a pair of mounting holes that corresponds to a pair of through-holes formed on an upper surface of a toilet bowl and is mounted on the upper surface of the toilet bowl by inserting fastening members mounted on the pair of mounting holes through the pair of through-holes. The body part incorporates a functional component that includes a washing nozzle, and is mounted on the toilet bowl via the base plate. Furthermore, a mounting part for the body part is formed only between the pair of mounting holes on the base plate.
    Type: Application
    Filed: August 9, 2017
    Publication date: February 22, 2018
    Inventors: Tomomi Rokuta, Akihiro Ashihara, Yukari Kawazu, Tomoaki Suetsugu, Masayuki Mochita