Patents by Inventor Eiichi Masuko

Eiichi Masuko 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).

  • Thermal insulation box
    Patent number: 5388904
    Abstract: A partitioning member having therein a space is provided at the opening of a thermal insulation box having an outer and inner boxes forming a space in between said outer and inner boxes. The two spaces communicate with each other and filled integrally with a thermal insulation material by injecting into the space between said outer and inner box an expandable thermal insulation material, which diffuses into the space inside said partitioning member, to thereby provide in a simple and economical way a thermal insulation box having a small number of components but as uniform thermal insulation.
    Type: Grant
    Filed: January 24, 1994
    Date of Patent: February 14, 1995
    Assignee: Sanyo Electric Co., Ltd
    Inventors: Makoto Kuwahara, Kakuji Kume, Eiichi Masuko, Atsushi Saitou, Katsuhiro Fukuda, Takashi Araki, Yuuji Hosoda
  • Thermal insulation box
    Patent number: 5269602
    Abstract: A partitioning member is provided at the opening of a thermal insulation box having outer and inner boxes forming a space in between the outer and inner boxes. The two spaces communicate with each other and are filled integrally with a thermal insulation material by injecting into the space between the outer and inner boxes an expandable thermal insulation material, which diffuses into the space inside the partitioning member, to thereby provide in a simple and economical way a thermal insulation box having a small number of components and uniform thermal insulation.
    Type: Grant
    Filed: October 2, 1992
    Date of Patent: December 14, 1993
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Makoto Kuwahara, Kakuji Kume, Eiichi Masuko, Atsushi Saitou, Katsuhiro Fukuda, Takashi Araki, Yuuji Hosoda
  • Thermal insulation box
    Patent number: 5174640
    Abstract: A partitioning member having therein a space is provided at the opening of a thermal insulation box having an outer and inner boxes forming a space in between said outer and inner boxes. The two spaces communicate with each other and filled integrally with a thermal insulation material by injecting into the space between said outer and inner box an expandable thermal insulation material, which diffuses into the space inside said partitioning member, to thereby provide in a simple and economical way a thermal insulation box having a small number of components but as uniform thermal insulation.
    Type: Grant
    Filed: January 30, 1991
    Date of Patent: December 29, 1992
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Makoto Kuwahara, Kakuji Kume, Eiichi Masuko, Atsushi Saitou, Katsuhiro Fukuda, Takashi Araki, Yuuji Hosoda