Patents by Inventor Toshiaki Ikegaya

Toshiaki Ikegaya 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).

  • Airplane window polishing device
    Patent number: 4969914
    Abstract: An automatic polishing device is disclosed for automatic smooth polishing of windowpane from the outside of an airplane without the necessity of removing them from the airplane. The device of the present invention is provided with replaceable petal-shaped polishing pads of the same number as a required number of polishing steps such as rough, medium and finish polishing. Each pad is mounted on the exterior wall surface of an airplane and urged against the window surface with substantially constant pressure and is supplied with liquids for polishing and washing from a centrally-disposed opening.
    Type: Grant
    Filed: January 10, 1989
    Date of Patent: November 13, 1990
    Assignees: Yachiyo Micro Science Inc., Sinano Electric Co., Ltd.
    Inventors: Toshiaki Ikegaya, Takashi Shirahata, Yasumasa Koyama, Minoru Momose