Patents by Inventor Takeyoshi Sugiyama

Takeyoshi Sugiyama 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).

  • Pyrazole-containing juvenile hormone mimics for pest control
    Patent number: 5192787
    Abstract: A compound having pesticidal activity and which has the following general formula: ##STR1## wherein: R.sub.1 is selected from hydrogen, C.sub.1-6 alkyl, halogen, C.sub.1-6 alkoxy, C.sub.2-6 alkoxycarbonyl, amino, nitro, CF.sub.3, and C.sub.1-5 -(alkyl and dialkyl)-amino;X is a divalent hydrocarbon radical having 1 to 8 carbon atoms in its backbone, which may be interrupted by 1 or 2 of O or S, and which may be substituted by 1 or more halogens, C.sub.1-4 alkyl groups or C.sub.1-4 alkoxy groups;Y is O, S, CH.sub.2, SO, or SO.sub.2 ;Z is O, S, CH.sub.2, SO, or SO.sub.2 ;R.sub.2 is selected from hydrogen, halogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.2-6 alkoxycarbonyl, amino, nitro, and CF.sub.3 ; andR.sub.3 is selected from hydrogen, halogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.2-6 alkoxycarbonyl, amino, nitro, C.sub.1-5 -(alkyl and dialkyl)amino, and CF.sub.3.
    Type: Grant
    Filed: June 15, 1990
    Date of Patent: March 9, 1993
    Assignee: Arizona Board of Regents Acting for the University of Arizona
    Inventors: William S. Bowers, Takeyoshi Sugiyama
  • Pyrazole-containing juvenile hormone mimics for pest control, compositions and use
    Patent number: 4943586
    Abstract: A compound having pesticidal activity and which has the following general formula: ##STR1## wherein: R.sub.1 is selected from hydrogen, C.sub.1-6 alkyl, halogen, C.sub.1-6 alkoxy, C.sub.2-6 alkoxycarbonyl, amino, nitro, CF.sub.3, and C.sub.1-5 -(alkyl and dialkyl)-amino;X is a divalent hydrocarbon radical having 1 to 8 carbon atoms in its backbone, which may be interrupted by 1 or 2 of O or S, and which may be substituted by 1 or more halogens, C.sub.1-4 alkyl groups or C.sub.1-4 alkoxy groups;Y is O, S, CH.sub.2, SO, or SO.sub.2 ;Z is O, S, CH.sub.2, SO, or SO.sub.2 ;R.sub.2 is selected from hydrogen, halogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.2-6 alkoxycarbonyl, amino, nitro, and CF.sub.3 ; andR.sub.3 is selected from hydrogen, halogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.2-6 alkoxycarbonyl, amino, nitro, C.sub.1-5 -(alkyl and dialkyl)amino, and CF.sub.3.
    Type: Grant
    Filed: December 14, 1988
    Date of Patent: July 24, 1990
    Assignee: Arizona Board of Regents for the University of Arizona
    Inventors: William S. Bowers, Takeyoshi Sugiyama