Patents by Inventor Teizo Sato

Teizo Sato 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).

  • Method of taking out scale from polymerization reactor
    Patent number: 3975207
    Abstract: Scale particles of vinyl polymer which accumulate on the inner surfaces of the polymerization reactor and are peeled therefrom are removed by placing a net into the reactor through an opening in the reactor and entrapping the particles within the strands of the net whereby the particles are removed from the reactor when the net is withdrawn.
    Type: Grant
    Filed: October 21, 1975
    Date of Patent: August 17, 1976
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Mitsuaki Sugahara, Teizo Sato, Sakae Kobayashi, Akira Kanekawa
  • Coffee maker
    Patent number: D248720
    Type: Grant
    Filed: April 2, 1976
    Date of Patent: August 1, 1978
    Assignee: U.S. Philips Corporation
    Inventors: Teizo Sato, Masaru Miyazaki, Takuji Kaneko
  • Coffee maker
    Patent number: D248721
    Type: Grant
    Filed: April 2, 1976
    Date of Patent: August 1, 1978
    Assignee: U.S. Philips Corporation
    Inventors: Teizo Sato, Masaru Miyazaki, Takuji Kaneko
  • Coffee maker
    Patent number: D269314
    Type: Grant
    Filed: March 4, 1981
    Date of Patent: June 14, 1983
    Assignee: U.S. Philips Corporation
    Inventor: Teizo Sato