Patents by Inventor Hiroyasu Nakai

Hiroyasu Nakai 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 making standard color models used for judging beef
    Patent number: 4731209
    Abstract: Colors of sections of several beef carcasses are measured and the colors are classified into a predetermined number of grades of tone. Colored silicon plastic sol is poured in a glass cell for each grade, and the color of each plastic sol is matched with the classified beef color. The plastic sol is poured into a female mold having an irregular surface resembling a surface of a section of a beef, and the plastic is taken out from the female mold when it becomes gel.
    Type: Grant
    Filed: March 24, 1986
    Date of Patent: March 15, 1988
    Assignee: National Institute of Animal Industry
    Inventors: Hiroyasu Nakai, Toshio Ikeda, Shiro Ando, Kyohei Ozutsumi
  • Method of making standard marbling models used for judging and grading beef
    Patent number: 4668457
    Abstract: Resin pieces having a fat color corresponding to fat meats are molded and placed in a female mold. Resin having a lean meat color is pured in the female mold, and solidified resin is taken out from the mold.
    Type: Grant
    Filed: March 24, 1986
    Date of Patent: May 26, 1987
    Assignee: National Institute of Animal Industry
    Inventors: Hiroyasu Nakai, Toshio Ikeda, Shiro Ando, Kyohei Ozutsumi