Patents by Inventor Kunio OSAWA

Kunio OSAWA 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: 10852048
    Abstract: A cold storage box 1 comprises a housing 2 internally having a storage space S for a cold storage object, and one or more heat exchanger tubes 3 provided in the storage space S; wherein the heat exchanger tubes 3 are each a multilayer tube comprising an outer tube with thermal conductivity having an outer surface facing the storage space S, and as inner tube provided inside the outer tube; a first brine solution that does not freeze at 0° C. is contained between the outer tube and the inner tube; and a refrigerant, or a second brine solution that does not freeze at 0° C. is contained inside the inner tube.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: December 1, 2020
    Assignee: CHUON CO., LTD.
    Inventor: Kunio Osawa
  • Publication number: 20190219322
    Abstract: A cold storage box 1 comprises a housing 2 internally having a storage space S for a cold storage object, and one or more heat exchanger tubes 3 provided in the storage space S; wherein the heat exchanger tubes 3 are each a multilayer tube comprising an outer tube with thermal conductivity having an outer surface facing the storage space S, and as inner tube provided inside the outer tube; a first brine solution that does not freeze at 0° C. is contained between the outer tube and the inner tube; and a refrigerant, or a second brine solution that does not freeze at 0° C. is contained inside the inner tube.
    Type: Application
    Filed: March 22, 2017
    Publication date: July 18, 2019
    Inventor: Kunio OSAWA