Patents by Inventor Osamu Fukahori

Osamu Fukahori 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).

  • Induction heating apparatus for injection molding machine
    Patent number: 4940870
    Abstract: The present invention provides a induction heating coil bobbin used to heat the hot runner in an injection molding machine, the bobbin comprising a substantially cylindrical body made of a metal or alloy having its low magnetic permeability, the bobbin body having at least one slit formed therein, the slit extending on the bobbin body between the opposite ends thereof through a predetermined length.
    Type: Grant
    Filed: February 22, 1989
    Date of Patent: July 10, 1990
    Assignee: JU-OH, Inc.
    Inventors: Istuo Shibata, Osamu Fukahori