Patents by Inventor Takafumi Fujii

Takafumi Fujii 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).

  • Thermally insulated double-walled synthetic resin container and thermally insulated double-walled synthetic resin lid
    Patent number: 5904264
    Abstract: A thermally insulated double-walled synthetic resin container having a thermal insulator layer filled with a low thermal conductivity gas, wherein the inner container and the outer container are formed from a chemical resistant resin, a hole portion is provided at the enter of the bottom wall of the outer container, this hole portion is sealed by a sealing panel formed from chemical resistant resin; a protrusion portion is formed on the thermal insulator layer side of the bottom central portion of the outer container and a depression portion aligned with the center of the protrusion portion is formed on the reverse side of this protrusion portion; or a metallic thin film layer is formed on the surfaces facing the thermal insulator layer aside from the area around the mouth; as a result of which the thermally insulated double-walled synthetic resin container is provided with exceptional thermal insulation capabilities and strength.
    Type: Grant
    Filed: September 10, 1996
    Date of Patent: May 18, 1999
    Assignee: Nippon Sanso Corporation
    Inventors: Masashi Yamada, Hidefumi Kamachi, Yasuhiko Komiya, Takafumi Fujii, Kensuke Furuyama, Atsuhiko Tanaka, Rikiya Kato
  • Insulating food container with lid
    Patent number: D380124
    Type: Grant
    Filed: November 27, 1995
    Date of Patent: June 24, 1997
    Assignee: Nippon Sanso Corporation
    Inventors: Rikiya Kato, Takafumi Fujii, Atsuhiko Tanaka, Yasuhiko Komiya