Patents by Inventor Machiko Namegaya

Machiko Namegaya 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: 5124050
    Abstract: A tap water processing apparatus comprises a water tank for storing tap water, and an ultrasonic oscillator disposed inside the water tank and emitting ultrasonic waves. The tap water contains hypochlorous acid components produced through a chlorine disinfecting process. When processed by the ultrasonic waves generated by the ultrasonic oscillator, the hypochlorous acid components are removed from the tap water.
    Type: Grant
    Filed: November 20, 1990
    Date of Patent: June 23, 1992
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Shigeo Ushimaru, Machiko Namegaya, Kunio Matsuno, Toshio Ohtsuki