Patents by Inventor Fumihiro Ida

Fumihiro Ida 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 measuring the degree of alloying of galvannealed steel sheets
    Patent number: 4064437
    Abstract: Highly reliable measurement of degree of alloying of galvannealed steel sheets is carried out in order to fully control the continuous hot-dip galvanizing and galvannealing process on the basis of evaluation of a combination of two or more X-ray diffraction characteristics. Exact degree of alloying can be estimated without regard to fluctuations in the particulars of the material, the process conditions and the type of the product obtained.
    Type: Grant
    Filed: August 2, 1976
    Date of Patent: December 20, 1977
    Assignee: Nisshin Steel Co., Ltd.
    Inventors: Yusuke Hirose, Fumihiro Ida, Takehiko Ito