Patents by Inventor Hikonori Ishii

Hikonori Ishii 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 changing rolls of vertical rolling mill stand
    Patent number: 4308741
    Abstract: An apparatus for changing the rolls of a vertical rolling mill stand by moving each roll of a roll pair to the roll changing position transversely outwardly of the rolling position where the spacing between the rolls is maximum and then pulling upwardly the roll together with its upper and lower bearing boxes from a housing. The rolls may be changed even when a slab is passing.
    Type: Grant
    Filed: January 7, 1980
    Date of Patent: January 5, 1982
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Hikonori Ishii, Kenichi Ide
  • Rolling cut type double side shear
    Patent number: 4079649
    Abstract: Disclosed is a rolling cut type double side shear wherein an upper side cutting blade and an upper scrap-cutting blade are driven by one crank shaft which has three eccentric sections, so as to increase the production efficiency and to make the shear simple in construction and compact in size.
    Type: Grant
    Filed: December 8, 1976
    Date of Patent: March 21, 1978
    Assignees: Ishikawajima-Harima Jukogyo Kaisha, Tokushu Shunsetsu Kabushiki Kaisha
    Inventors: Hikonori Ishii, Satoru Kumabe