Patents by Inventor Norio Tatsumi

Norio Tatsumi 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).

  • Brine refrigerating apparatus
    Patent number: 4984435
    Abstract: A brine refrigerating apparatus includes a cooling chamber which is divided into a plurality of cooling sections by shelves provided in the cooling chamber, each shelf having a brine pipe in which a cold brine flows.
    Type: Grant
    Filed: July 7, 1989
    Date of Patent: January 15, 1991
    Assignee: Dairei Co. Ltd.
    Inventors: Toshio Seino, Norio Tatsumi
  • Portable electric refrigerator
    Patent number: D256587
    Type: Grant
    Filed: November 30, 1977
    Date of Patent: August 26, 1980
    Assignee: Sawafuji Denki Kabushiki Kaisha
    Inventor: Norio Tatsumi