Patents by Inventor Junki HAMADA

Junki HAMADA 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: 11821193
    Abstract: A sanitary washing device includes a casing, a nozzle, and a nozzle drive unit. The nozzle drive unit advances and retracts the nozzle between a storage position and an advanced position. The nozzle drive unit includes a supporter, a gear, and a cable rack. The supporter includes a rail allowing the nozzle to slide. The gear applies a drive force to advance and retract the nozzle. The cable rack is connected with the nozzle and meshes with the gear. The cable rack includes a nozzle connection part connected with the nozzle. The gear and the cable rack mesh at a meshing part. The meshing part is positioned at a same position in a longitudinal direction as the nozzle connection part or further frontward than the nozzle connection part when the nozzle is at the storage position.
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: November 21, 2023
    Assignee: TOTO LTD.
    Inventors: Katsuya Nagata, Yuki Ko, Junki Hamada
  • Publication number: 20220396944
    Abstract: According to the embodiment, a sanitary washing device includes a casing, a nozzle, and a nozzle drive unit. The nozzle drive unit advances and retracts the nozzle between a storage position and an advanced position. The nozzle drive unit includes a supporter, a gear, and a cable rack. The supporter includes a rail allowing the nozzle to slide. The gear applies a drive force to advance and retract the nozzle. The cable rack is connected with the nozzle and meshes with the gear. The cable rack includes a nozzle connection part connected with the nozzle. The gear and the cable rack mesh at a meshing part. The meshing part is positioned at a same position in a longitudinal direction as the nozzle connection part or further frontward than the nozzle connection part when the nozzle is at the storage position.
    Type: Application
    Filed: June 1, 2022
    Publication date: December 15, 2022
    Inventors: Katsuya NAGATA, Yuki KO, Junki HAMADA
  • Patent number: 10954660
    Abstract: According to one embodiment, a sanitary washing apparatus includes a private part washing nozzle configured to wash a human body private part, a tube configured to supply water to the private part washing nozzle, an incoming water connection part connected to an upstream side of the tube and configured to supply water to the tube, a casing storing the private part washing nozzle, the tube, and the incoming water connection part, and a nozzle wash part configured to wash the private part washing nozzle. The private part washing nozzle is curved upward to be convex, and has a first region positioned frontward of the nozzle wash part in an advanced state in which the private part washing nozzle advances from the casing. The incoming water connection part is provided under the private part washing nozzle, and is rotatable.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: March 23, 2021
    Assignee: TOTO LTD.
    Inventors: Yuki Ko, Masayuki Mochita, Junki Hamada
  • Patent number: 10920409
    Abstract: According to one embodiment, a sanitary washing apparatus includes a private part washing nozzle configured to wash a human body private part, a tube configured to supply water to the private part washing nozzle, an incoming water connection part connected to an upstream side of the tube and configured to supply water to the tube, a casing storing the private part washing nozzle, the tube, and the incoming water connection part, and a nozzle wash part configured to wash the private part washing nozzle. The private part washing nozzle is curved upward to be convex, and has a first region positioned frontward of the nozzle wash part in an advanced state in which the private part washing nozzle advances from the casing. The incoming water connection part is provided under the private part washing nozzle, and is rotatable.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: February 16, 2021
    Assignee: TOTO LTD.
    Inventors: Yuki Ko, Masayuki Mochita, Junki Hamada
  • Publication number: 20200056358
    Abstract: According to one embodiment, a sanitary washing apparatus includes a private part washing nozzle configured to wash a human body private part, a tube configured to supply water to the private part washing nozzle, an incoming water connection part connected to an upstream side of the tube and configured to supply water to the tube, a casing storing the private part washing nozzle, the tube, and the incoming water connection part, and a nozzle wash part configured to wash the private part washing nozzle. The private part washing nozzle is curved upward to be convex, and has a first region positioned frontward of the nozzle wash part in an advanced state in which the private part washing nozzle advances from the casing. The incoming water connection part is provided under the private part washing nozzle, and is rotatable.
    Type: Application
    Filed: August 16, 2019
    Publication date: February 20, 2020
    Inventors: Yuki Ko, Masayuki Mochita, Junki Hamada
  • Patent number: 10190302
    Abstract: Provided is a sanitary cleansing device configured so that user's defecation can be promoted with a comfortable feeling by spraying of cleansing water. The present invention provides a sanitary cleansing device (1) including a nozzle assembly (6) provided with a spray port, a nozzle drive device (12), an operation device (10) operated by a user, and a spray control device (20) configured to actuate the nozzle drive device to execute a massage cleansing mode. The massage cleansing mode is a cleansing mode for repeating a predetermined massage cleansing cycle including a turning movement pattern for turning a water splash point of the cleansing water sprayed from the spray port at the periphery of a private area position of a seated human body and a front-to-back movement pattern for moving the water splash point through the private area position in a substantially front-to-back direction of the human body.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: January 29, 2019
    Assignee: TOTO LTD.
    Inventors: Hiroshi Hashimoto, Junki Hamada, Keisuke Fujita
  • Patent number: 10125482
    Abstract: Provided is a sanitary cleansing device configured to less provide a feeling of insecurity to a user when a cleansing mode for moving a water splash point in at least two directions is used. The present invention provides a sanitary cleansing device (1) including a nozzle assembly (6) provided with a spray port, a nozzle drive device (12), an operation device (10) operated by a user to switch a cleansing mode, and a spray control device (20) configured to switchably execute, a fixed spot cleansing mode in which the spray port is stopped at a predetermined reference private area position and a wide movement cleansing mode for moving a water splash point in at least two directions. When the wide movement cleansing mode begins, the spray port is positioned at the reference private area position, and then, starts movement of the water splash point.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: November 13, 2018
    Assignee: Toto Ltd.
    Inventors: Hiroshi Hashimoto, Junki Hamada, Keisuke Fujita
  • Publication number: 20170275866
    Abstract: Provided is a sanitary cleansing device configured so that user's defecation can be promoted with a comfortable feeling by spraying of cleansing water. The present invention provides a sanitary cleansing device (1) including a nozzle assembly (6) provided with a spray port, a nozzle drive device (12), an operation device (10) operated by a user, and a spray control device (20) configured to actuate the nozzle drive device to execute a massage cleansing mode. The massage cleansing mode is a cleansing mode for repeating a predetermined massage cleansing cycle including a turning movement pattern for turning a water splash point of the cleansing water sprayed from the spray port at the periphery of a private area position of a seated human body and a front-to-back movement pattern for moving the water splash point through the private area position in a substantially front-to-back direction of the human body.
    Type: Application
    Filed: March 24, 2017
    Publication date: September 28, 2017
    Inventors: Hiroshi HASHIMOTO, Junki HAMADA, Keisuke FUJITA
  • Publication number: 20170275865
    Abstract: Provided is a sanitary cleansing device configured to less provide a feeling of insecurity to a user when a cleansing mode for moving a water splash point in at least two directions is used. The present invention provides a sanitary cleansing device (1) including a nozzle assembly (6) provided with a spray port, a nozzle drive device (12), an operation device (10) operated by a user to switch a cleansing mode, and a spray control device (20) configured to switchably execute, a fixed spot cleansing mode in which the spray port is stopped at a predetermined reference private area position and a wide movement cleansing mode for moving a water splash point in at least two directions. When the wide movement cleansing mode begins, the spray port is positioned at the reference private area position, and then, starts movement of the water splash point.
    Type: Application
    Filed: March 24, 2017
    Publication date: September 28, 2017
    Inventors: Hiroshi HASHIMOTO, Junki HAMADA, Keisuke FUJITA
  • Publication number: 20170275867
    Abstract: Provided is a sanitary cleansing device configured to provide a feeling of comfort and satisfaction to a user by simple operation. The sanitary cleansing device (1) includes a nozzle assembly (6) provided with a spray port, an operation device (10) operated by a user to start spraying of the cleansing water from the spray port, and a spray control device (20) configured to execute a fixed spot cleansing mode and a stop sequence based on operation of the operation device. The fixed spot cleansing mode is a cleansing mode for stopping the spray port at a reference private area position at which the cleansing water is splashed on a private area position of the human body, and the stop sequence is a sequence of stopping spraying of the cleansing water after execution of a series of cleansing modes set in advance.
    Type: Application
    Filed: March 24, 2017
    Publication date: September 28, 2017
    Inventors: Hiroshi HASHIMOTO, Junki HAMADA, Keisuke FUJITA