Patents by Inventor Shigeru Makaji

Shigeru Makaji 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 of sampling steel material and a device therefor
    Patent number: 4833930
    Abstract: A method and a device for collecting a quantoback analysis sample in hot state from a preferred position of a continuously cast steel piece are disclosed. According to this invention, a dish like recess is cut on the surface of cast steel piece while leaving a center column, then the root of left center column is root cut and taken out as sample. A cutting device and a way for accessing the cutting device are presented for operating this process.
    Type: Grant
    Filed: July 28, 1987
    Date of Patent: May 30, 1989
    Assignees: Kawasaki Steel Corp., Nippon Air Brake Co., Ltd.
    Inventors: Kaizo Okamoto, Akira Ichihara, Akimune Sato, Kenji Hirata, Katsuhisa Hirayama, Eiji Hina, Shigeru Makaji, Minoru Sakamoto, Takashi Tanaka, Keizo Shimizu