Patents Assigned to Daisho Sangyo Kabushiki-Kaisha
  • Ice for preserving the freshness of foodstuff
    Patent number: 5950435
    Abstract: An ice keeps the temperature of foodstuff at the freezing point, inhibits the propagation of bacteria or germ, and suppresses the number of bacteria or germs as low as possible. The ice of the present invention comprises a frozen mixture of water and finely divided particles of metal element or metal oxide having sterilizing power.
    Type: Grant
    Filed: April 3, 1998
    Date of Patent: September 14, 1999
    Assignee: Daisho Sangyo Kabushiki-Kaisha
    Inventor: Takayoshi Kaizuka