Patents by Inventor Ichiro Ishijima

Ichiro Ishijima 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).

  • Antimicrobial agent and method for sustaining freshness of food
    Patent number: 5409714
    Abstract: An antimicrobial agent contains a calcined product of a calcium oxide type prepared by calcining shells of an oyster and/or a calcined product of a calcium hydroxide type as a hydrate of the calcined product of the calcium oxide type.
    Type: Grant
    Filed: August 9, 1993
    Date of Patent: April 25, 1995
    Assignee: Kaiho Co., Ltd.
    Inventor: Ichiro Ishijima