Patents by Inventor Noriyaso Sakamoto

Noriyaso Sakamoto 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).

  • Benzoylurea derivative and its production and use
    Patent number: 5157155
    Abstract: The present invention relates to a novel benzoylurea derivative represented by the formula, ##STR1## its production and insecticides containing it as an active ingredient.
    Type: Grant
    Filed: March 11, 1991
    Date of Patent: October 20, 1992
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Noriyaso Sakamoto, Tatsuya Mori, Tadashi Ohsumi, Toshihiko Yano, Izumi Fujimoto, Yoji Takada