Patents by Inventor Noriko Sugawara

Noriko Sugawara 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).

  • Package of fresh plant
    Patent number: 5698249
    Abstract: The present invention relates to a technique for packaging fresh plants, by which the freshness of the fresh plants can be retained from the time they are shipped by producers, until the time they are consumed by consumers. By controlling the water vapor permeability, and oxygen and carbonic acid gas transmission rates of a film, a package of fresh plant suitable for non-airtight or airtight packaging, a packaging material useful for such a package, and a method for retaining the freshness of fresh plants are provided.
    Type: Grant
    Filed: November 14, 1994
    Date of Patent: December 16, 1997
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Kazuyoshi Hayashi, Koji Shimizu, Noriko Sugawara, Kozo Mita