Patents by Inventor Shiro Oota

Shiro Oota 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).

  • Color-change washing solution, suitable for spray coating devices
    Patent number: 5045224
    Abstract: A washing solution for a color-change washing which contains a medium-boiling and/or high-boiling true solvent having a boiling point of 100.degree. C. or more, and a color-change washing method using that washing solution. In rotary type electrostatic spray coating devices in which a non-aqueous dispersion paint and a titanium dioxide pigment-incorporated paint are used in combination, the washing solution and method are advantageously used as they remove contamination and clogging of the coating device and reduce fire hazards.
    Type: Grant
    Filed: January 11, 1989
    Date of Patent: September 3, 1991
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Ikuo Watanabe, Toshio Kai, Gen Kusunoki, Shiro Oota