Patents by Inventor Hachiro Nakamura

Hachiro Nakamura 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).

  • Foodstuff freshness keeping agents
    Patent number: 4384972
    Abstract: Foodstuff freshness keeping agent comprising a particulate composition which contains a salt of manganese (II), iron (II), cobalt (II) or nickel (II), an alkali compound and a sulfite or a deliquescent substance, and optionally ascorbic acid or its salt, thereby to absorb oxygen in the interior of package of foodstuffs and/or generate therein carbon dioxide gas.
    Type: Grant
    Filed: June 15, 1978
    Date of Patent: May 24, 1983
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Hachiro Nakamura, Kiyotaka Omote
  • Method for storing produce and container and freshness keeping agent therefore
    Patent number: 4337276
    Abstract: A storage container containing a freshness keeping agents for vegetables and fruits, consisting essentially of a particulate composition which contains at least two components selected from the group consisting of zeolite, bentonate and activated carbon. The freshness keeping agent absorbs ethylene gas, etc. generated from vegetables and fruits, thereby preventing them from overripening, softening, etc.
    Type: Grant
    Filed: February 19, 1980
    Date of Patent: June 29, 1982
    Assignee: Toppan Printing Company, Limited
    Inventors: Hachiro Nakamura, Norio Nakazawa