Patents by Inventor Atsushi Kanaoka

Atsushi Kanaoka 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).

  • Insecticidal hydrazine derivatives
    Patent number: 5608109
    Abstract: The present invention relates to a hydrazine derivative represented by the formula (I): ##STR1## (wherein each of Ar.sup.1 and Ar.sup.2 is a substituted or unsubstituted phenyl group, a substituted or unsubstituted heteroaryl group, or the like, R.sup.1 is an alkyl group or the like, and A is a divalent radical having --C.dbd.N--N-- or --CH--NH--N-- as a fundamental skeleton), which is a useful compound as an agricultural and horticultural insecticide.
    Type: Grant
    Filed: December 7, 1994
    Date of Patent: March 4, 1997
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Kazuhiro Takagi, Tetsuji Ohshima, Nobuyoshi Hasegawa, Chiaki Katoh, Atsushi Kanaoka, Hideo Kanno
  • Hydrazinecarboxyamide derivatives, a process for production thereof and uses thereof
    Patent number: 5543573
    Abstract: The present invention relates to a hydrazinecarboxamide derivative of the general formula (I) shown below: ##STR1## wherein the substituents are as defined in the specification, which has a wide insecticidal spectrum at a low dosage, a process for producing said derivative, and utilization of said derivative as an insecticide.
    Type: Grant
    Filed: April 14, 1994
    Date of Patent: August 6, 1996
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Kazuhiro Takagi, Takashi Ohtani, Tateki Nishida, Hiroshi Hamaguchi, Tetsuyoshi Nishimatsu, Atsushi Kanaoka
  • Hydrazone derivatives, processes for production thereof, and uses thereof
    Patent number: 5358965
    Abstract: The present invention relates to a hydrazone derivative represented by the general formula (I) shown below: ##STR1## wherein the substituents are as defined in the specification, processes for preparing the derivative, and uses of the derivative as an insecticide.The hydrazone derivative has a marked insecticidal effect on insect pests, especially against LEPIDOPTERA and COLEOPTERA.
    Type: Grant
    Filed: May 28, 1993
    Date of Patent: October 25, 1994
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Tomokazu Hino, Nobuharu Andoh, Hiroshi Hamaguchi, Atsushi Kanaoka
  • Hydrazone derivatives, processes for production thereof, and uses thereof
    Patent number: 5304573
    Abstract: The present invention relates to a hydrazone derivative represented by the general formula (I) shown below: ##STR1## wherein the substituents are as defined in the specification, processes for preparing the derivative, and uses of the derivative as an insecticide.The hydrazone derivative has a marked insecticidal effect on insect pests, especially against LEPIDOPTERA and COLEOPTERA.
    Type: Grant
    Filed: November 13, 1991
    Date of Patent: April 19, 1994
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Tomokazu Hino, Nobuharu Andoh, Hiroshi Hamaguchi, Atsushi Kanaoka