Patents by Inventor Shirou Toyohisa

Shirou Toyohisa 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).

  • Scraping mechanism
    Patent number: 4498988
    Abstract: A scraping mechanism for scraping off deposit material from a surface of a moving body, including a scraper having a bladed edge at the fore end thereof, a mechanism for pressing the scraper against the surface of the moving body, and a mechanism for reciprocatingly driving the scraper on and along the surface of the moving body in parallel relation therewith.
    Type: Grant
    Filed: November 24, 1982
    Date of Patent: February 12, 1985
    Assignee: Kabushiki Kaisha Kobe Seiko Sho
    Inventors: Kiyoshi Fujita, Shirou Toyohisa, Osamu Katou, Kenji Ishimaru