Patents by Inventor Michihiro Yasui

Michihiro Yasui 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).

  • Tetrahydro-1,3,5-thiadiazin-4-one derivative
    Patent number: 4159328
    Abstract: A tetrahydro-1,3,5-thiadiazin-4-one represented by the general formula, ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3, which may be the same or different, represent each an alkyl group, allyl group, cycloalkyl group, alkoxyalkyl group, benzyl group, phenyl group or substituted phenyl group having as substituents alkyl groups, nitro group, halogen atoms, alkoxy groups, or trifluoromethyl group and R.sup.2 and R.sup.3 may also represent hydrogen atoms, is a new compound and useful for controlling insects and mites.
    Type: Grant
    Filed: June 2, 1978
    Date of Patent: June 26, 1979
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Kenichi Ikeda, Hideo Kanno, Michihiro Yasui, Tatsuo Harada