Patents by Inventor Hiroshi Nishizaka

Hiroshi Nishizaka 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).

  • Method for producing a grain oriented electrical steel sheet
    Patent number: 4846903
    Abstract: In the production of a grain-oriented electrical steel sheet, a slab (1) is current-conduction heated, using the slab (1) as a resistor, under a condition of being on or below an apparent current density (I) of from 40 (A/cm.sup.2) to 0.5 P.sup.2 +100 (A/cm.sup.2), P being a pressure of electrodes in kg/cm.sup.2.
    Type: Grant
    Filed: February 18, 1988
    Date of Patent: July 11, 1989
    Assignee: Nippon Steel Corporation
    Inventors: Kouji Yamasaki, Eiji Ikezaki, Yasunori Tano, Hiroshi Nishizaka