Patents by Inventor Yasunari Sawanoi

Yasunari Sawanoi 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).

  • Apparatus for treating carbon fiber fabrics
    Patent number: 5016451
    Abstract: An apparatus for disintegrating a carbon fiber fabric. The apparatus includes a water vessel containing water, with an ultrasonic wave oscillator immersed in the water and a guide plate for the fabric being located in opposed relation to the oscillator. A conveyor is provided for continuously conveying the carbon fiber fabric along the side of the guide plate facing the oscillator. Sound waves generated by the oscillator function to press the carbon fiber fabric against the guide plate in a manner as to cause the fabric to be disintegrated under the effects of the ultrasonic waves.
    Type: Grant
    Filed: July 31, 1989
    Date of Patent: May 21, 1991
    Assignees: Ishikawa Prefecture, Nippon Oil Co., Ltd.
    Inventors: Kazuo Tsukabayashi, Takashi Yamamoto, Yasunari Sawanoi