Patents by Inventor Mitsuyoshi Futatsuka

Mitsuyoshi Futatsuka 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).

  • Temperature and humidity chamber
    Patent number: D297361
    Type: Grant
    Filed: November 2, 1984
    Date of Patent: August 23, 1988
    Assignee: Tabai Espec Kabushikikaisha
    Inventors: Toshio Yamamoto, Mitsuyoshi Futatsuka
  • Temperature and humidity chamber
    Patent number: D297564
    Type: Grant
    Filed: November 2, 1984
    Date of Patent: September 6, 1988
    Assignee: Tabai Espec Kabushikikaisha
    Inventors: Toshio Yamamoto, Mitsuyoshi Futatsuka
  • Carbon dioxide gas incubator
    Patent number: D319102
    Type: Grant
    Filed: October 25, 1988
    Date of Patent: August 13, 1991
    Assignee: Tabai Espec Kabushiki Kaisha
    Inventors: Mitsuyoshi Futatsuka, Hiroyuki Mishima
  • Combination temperature and humidity chamber
    Patent number: D328352
    Type: Grant
    Filed: October 30, 1989
    Date of Patent: July 28, 1992
    Assignee: Tabai Espec Kabushiki Kaisha
    Inventor: Mitsuyoshi Futatsuka