Patents by Inventor Kohji Nagata

Kohji Nagata 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).

  • Patent number: 5918480
    Abstract: The invention provides an improved refrigerator incorporating a vegetable-storage chamber in which, using moisture-permeable films capable of automatically varying humid-permeability, humidity inside of a vegetable-storage container is automatically and securely controllable to prevent dewing symptom from being generated therein while always preserving high humidity suited for vegetables and other produce to make it possible to store.The inventive refrigerator incorporates a vegetable storage container 18 having open top-surface and provides a lid member 19 in close contact with and by way of covering the open top surface of the vegetable storage container 18. The lid member 19 is provided with moisture-permeable films 20 comprising a humid-vapor-permeable basic cloth 21 made from nylon or polyester resin and a hydrophilic shape-memory resin film 22 made from polyurethane resin or the like.
    Type: Grant
    Filed: March 26, 1996
    Date of Patent: July 6, 1999
    Assignee: Matsushita Refrigeration Company
    Inventors: Kohji Nagata, Masatoshi Inatani, Noriko Shinohara
  • Patent number: 4949847
    Abstract: A storage receptacle provided with a receptacle body opened on its upper side, a covering member for covering the opening portion of the receptacle body and a permeable film member having a permeability to gases and a moisture permeability from 1500 to 3500 g/m.sup.2 .multidot.24 hr and formed at least on a portion of the receptacle body or covering member.
    Type: Grant
    Filed: February 2, 1989
    Date of Patent: August 21, 1990
    Assignee: Matsushita Refrigeration Company
    Inventor: Kohji Nagata