Patents by Inventor Mamoru Toyota

Mamoru 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).

  • Patent number: 3951317
    Abstract: A submerged tundish nozzle for continuous casting wherein substantially H-shaped delivery ports are opened outward on the outer periphery of a nozzle closed at the lower end as opposed to the short side walls of a mold and, as required, said delivery ports are formed as directed a little upward or a deflecting plate of an arrowhead-shaped cross-section is set at a small distance in front of the delivery port.Further, substantially I-shaped delivery ports may be made between those delivery ports.
    Type: Grant
    Filed: September 4, 1974
    Date of Patent: April 20, 1976
    Assignee: Sumitomo Metal Industries, Ltd.
    Inventors: Yoshio Hosokawa, Hiroyuki Ichihashi, Mamoru Toyota, Kenzi Takahashi