Patents by Inventor Shizuka Ando

Shizuka Ando 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: 4389738
    Abstract: A body part cleansing device for use with a toilet is provided. The device provides a jet of warm water which has been mixed with air to a desired body part of a user in order to cleanse the body part. The device includes a cleaning nozzle adapted to direct a jet of warm water in combination with air and includes a nozzle member, an injector member and a joint which are separably interconnected and which can be easily assembled and disassembled. By being so connected, the two members and the joint are satisfactorily aligned to provided a desired angle and direction of water jet for effective cleansing purposes. Air is mixed with water within the nozzle member, air being introduced in the nozzle member via an air intake unit which mixes air with heated water prior to the warm water jet exiting from a jet opening in the nozzle member.
    Type: Grant
    Filed: March 17, 1981
    Date of Patent: June 28, 1983
    Assignee: Toto, Ltd.
    Inventors: Shizuka Ando, Hiroshi Oyama, Toshio Yamaguchi
  • Patent number: 4370764
    Abstract: A topical washing device is utilized to clean a predetermined body portion of a user. The device includes a washing nozzle for discharging washing water and a water feed line connecting the washing nozzle to a source of water. A heat exchanger, heater, temperature sensor, heat-sensitive safety switch, and controller are provided to control the temperature of water which is discharged. By using the device, water will be discharged from the device which is always comfortable to a user, even after the device has not been used for relatively long periods and when water supplied to the device varies in temperature.
    Type: Grant
    Filed: March 31, 1981
    Date of Patent: February 1, 1983
    Assignee: Toto, Ltd.
    Inventors: Shizuka Ando, Hiroshi Oyama, Toshio Yamaguchi