Patents by Inventor Yasutatsu Mizota

Yasutatsu Mizota 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 apparatus for continuous heat sterilization of liquid
    Patent number: 6673311
    Abstract: A method for continuous heat sterilization of liquid includes a continuous pre-heating step of preheating the liquid, a final heating step of heating the preheated liquid to reach a predetermined sterilizing temperature, a holding step of holding the liquid which has reached the predetermined sterilizing temperature for a predetermined period of time, and a cooling step of cooling the held liquid. The final heating step comprises the following steps (a) and (b): (a) a step of continuously pressurizing the liquid by a high pressure pump; and (b) a step of releasing the liquid continuously to a normal pressure within a time period of less than 10 seconds after the pressurizing step to thereby make the liquid reach the predetermined sterilizing temperature. An apparatus for automatically carrying out the method is provided. According to the continuous heat sterilization method and apparatus, scorch during the final heating step is dispensed with and accordingly, a long period of continuous operation is feasible.
    Type: Grant
    Filed: June 26, 2000
    Date of Patent: January 6, 2004
    Assignee: Morinaga Milk Industry Co., Ltd.
    Inventors: Kazuyoshi Sotoyama, Keiji Iwatsuki, Teruhiko Mizota, Yuzo Asano, Yasutatsu Mizota, Hiroaki Matsui, Tetsushi Mori