Patents by Inventor Tomohiro Toyota

Tomohiro Toyota 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).

  • Automatic melt supplying method and holding furnace having automatic melt supplying system
    Patent number: 4881670
    Abstract: A holding furnace with an automatic melt supplying system comprising a holding chamber for holding a melt at a predetermined temperature, a treating chamber for cleaning the melt, and a melt supplying chamber connected for supplying the melt to a subsequent process. A plug is mounted in an opening intercommunicating the treating chamber and the melt supplying chamber. A force block vertically movably mounted in the melt supplying chamber, the force block being submerged in the melt stored in the melt supplying chamber to supply the melt to the subsequent process when the plug is in a closed position.
    Type: Grant
    Filed: September 13, 1988
    Date of Patent: November 21, 1989
    Assignee: Kabushiki Kaisha Daiki Aluminium Kogyosho
    Inventors: Masao Yamaoka, Tomohiro Toyota