Patents by Inventor Shunsuke Yoshiyasu

Shunsuke Yoshiyasu 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 and device for sterilizing food packaging containers
    Patent number: 6145276
    Abstract: A sterilizing device for thoroughly removing hydrogen peroxide from the interior of the container in a short period of time includes a sterilizing agent depositing device 19 which deposits a hydrogen peroxide-containing solution having a sterilizing affect into the interior of the container before the container is filled with a food product and a sterilizing agent removing device 23 which removes the hydrogen peroxide from the interior of the container by blowing compressed hot air into the container. The sterilizing method involves depositing a hydrogen peroxide-containing solution having a concentration in the range of 0.05-0.20 wt. % into the interior of the container before the container is filled with food product, irradiating the interior of the container with ultraviolet light after the hydrogen peroxide-containing solution is deposited in the interior of the container, and removing hydrogen peroxide from the interior of the container by blowing compressed hot air into the interior of the container.
    Type: Grant
    Filed: April 29, 1999
    Date of Patent: November 14, 2000
    Assignee: Tetra Laval Holdings & Finance S.A.
    Inventors: Magnus Palm, Michio Goto, Shunsuke Yoshiyasu, Masayoshi Sugiura