Patents by Inventor Tsuneo Ichiishi

Tsuneo Ichiishi 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).

  • Apparatus for transporting cylindrical steel articles
    Patent number: 4191286
    Abstract: A transporting apparatus for transporting cylindrical steel articles such as steel pipes by using inclined skid rails is arranged to have a magnetic braking device including electromagnetic coils for controlling the rolling speeds of the articles to be transported, wherein the electromagnetic coils are so disposed as to minimize a magnetic path for the magnetic fluxes developed by the electromagnetic coils and are also arranged in the shell type manner to prevent the electromagnetic coils from being externally damaged.
    Type: Grant
    Filed: September 26, 1978
    Date of Patent: March 4, 1980
    Assignee: Hitachi, Ltd.
    Inventors: Katsutoshi Sato, Susumu Ito, Tadashi Kanaya, Hiroaki Onishi, Tsuneo Ichiishi, Akira Osaka