Patents by Inventor Tokumitsu Kurihara

Tokumitsu Kurihara 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: 5110586
    Abstract: A white colored deodorizer comprising zinc oxide and at least one oxide selected from the group consisting of aluminium oxide and silicon oxide and a method for preparation of it are disclosed.
    Type: Grant
    Filed: June 21, 1990
    Date of Patent: May 5, 1992
    Assignee: Titan Kogyo Kabushiki Kaisha
    Inventors: Tokumitsu Kurihara, Tatsuo Saito, Hidefumi Harada
  • Patent number: 5108739
    Abstract: A white colored deodorizer comprising titanium oxide and zinc oxide and a method for its preparation are disclosed.
    Type: Grant
    Filed: June 21, 1990
    Date of Patent: April 28, 1992
    Assignee: Titan Kogyo Kabushiki Kaisha
    Inventors: Tokumitsu Kurihara, Tatsuo Saito, Hidefumi Harada
  • Patent number: 5100659
    Abstract: A white colored deodorizer comprising titanium oxide and at least one alkaline earth metal oxide selected from the group consisting of magnesium oxide and calcium oxide and a method for preparation of it are disclosed.
    Type: Grant
    Filed: June 14, 1990
    Date of Patent: March 31, 1992
    Assignee: Titan Kogyo Kabushiki Kaisha
    Inventors: Tokumitsu Kurihara, Tatsuo Saito, Hidefumi Harada