Patents by Inventor Shuko Okui

Shuko Okui 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: 7371768
    Abstract: The present invention relates to pest control agent having systemic activity and a high safety along with a wide insecticidal spectrum and excellent insecticidal activity, which are 1-aryl-3-cyano-5-pyridylalkylaminopyrazole derivatives represented by formula (1): wherein X represents an N or C-halogen atom; R1 represents a haloalkyl group, excluding a perhaloalkyl group; R2 represents a hydrogen atom or an alkyl group, R3 represents a hydrogen atom, an alkyl group, or an acyl group; and R4 represents a hydrogen atom, a hydroxyl group, an alkyl group, a haloalkyl group, an alkoxy group, a haloalkoxy group, an alkylthio group, an alkylsulfinyl group, an alkylsulfonyl group, a halogen atom, a nitro group, or a cyano group.
    Type: Grant
    Filed: January 31, 2003
    Date of Patent: May 13, 2008
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Shuko Okui, Nobuo Kyomura, Toshiki Fukuchi, Kazuya Okano, Liangyou He, Akiko Miyauchi
  • Patent number: 7153815
    Abstract: A insecticide characterized by containing as active ingredient a hydrazone derivative of formula (I) wherein A and Q are an aryl or a heterocyclic group, W is oxygen atom, an aminylene, an alkylene group, an oxyalkylene group or an alkyleneoxy, X1 and X2 are hydrogen atom, an alkyl, an alkenyl, an alkynyl, an aryl, a heterocyclic group, formyl, an acyl, an alkoxycarbonyl, an aryloxycarbonyl, a heterocyclic oxycarbonyl, an alkylsulfinyl, an arylsulfinyl, a heterocyclic sulfinyl, an alkylsulfonyl, an arylsulfonyl or a heterocyclic sulfonyl, Y is oxygen atom or sulfur atom, Z is hydrogen atom, a halogen atom, cyano, an alkyl, an alkenyl, an alkynyl, an amino, an alkoxy or an alkylthio, the substituents may be substituted; and novel hydrazon derivatives.
    Type: Grant
    Filed: January 10, 2003
    Date of Patent: December 26, 2006
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Shinji Kawata, Shuko Okui, Shigeru Suzuki, Toshiki Fukuchi, Akiyuki Suwa
  • Publication number: 20050203149
    Abstract: A insecticide characterized by containing as active ingredient a hydrazone derivative of formula (I) wherein A and Q are an aryl or a heterocyclic group, W is oxygen atom, an aminylene, an alkylene group, an oxyalkylene group or an alkyleneoxy, X1 and X2 are hydrogen atom, an alkyl, an alkenyl, an alkynyl, an aryl, a heterocyclic group, formyl, an acyl, an alkoxycarbonyl, an aryloxycarbonyl, a heterocyclic oxycarbonyl, an alkylsulfinyl, an arylsulfinyl, a heterocyclic sulfinyl, an alkylsulfonyl, an arylsulfonyl or a heterocyclic sulfonyl, Y is oxygen atom or sulfur atom, Z is hydrogen atom, a halogen atom, cyano, an alkyl, an alkenyl, an alkynyl, an amino, an alkoxy or an alkylthio, the substituents may be substituted; and novel hydrazon derivatives.
    Type: Application
    Filed: January 10, 2003
    Publication date: September 15, 2005
    Applicant: NIHON NOHYAKU CO., LTD
    Inventors: Shinji Kawata, Shuko Okui, Shigeru Suzuki, Toshiki Fukuchi, Akiyuki Suwa
  • Patent number: 6849633
    Abstract: The invention provides a novel pest control agent having a high systemic activity and a high safety with reduced adverse influences on the environment neighboring the place to which the agent is applied, and a process for producing the same. Namely, the present invention relates to a novel 1-aryl-3-cyano-5-heteroarylalkylaminopyrazole derivative represented by the following general formula (1) and a process for producing the same, and a pest control agent containing the same as an active ingredient. (wherein X represents N or C-halogen, R1 represents an alkyl group, an alkenyl group, an alkynyl group, or a haloalkyl group, R2 represents hydrogen atom, an alkyl group, or an acyl group, R3 represents hydrogen atom or an alkyl group, A represents any one of the groups represented by A-1 to A-4, R4 represents hydrogen atom, an alkyl group, a halogen atom, and n represents 0, 1, or 2, provided that R1 is a haloalkyl group except a perhaloalkyl group when A is A-1 and n is 0, and that n is not 0 when A is A-4.
    Type: Grant
    Filed: December 28, 2001
    Date of Patent: February 1, 2005
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Shuko Okui, Nobuo Kyomura, Toshiki Fukuchi, Ken Tanaka, Manabu Katsurada, Kazuya Okano, Naoko Sumitani, Akiko Miyauchi, Akiko Yabe
  • Publication number: 20040053969
    Abstract: The present invention provides a novel pest control agent having a systemic activity and a high safety in addition to a wide insecticidal spectrum and an excellent insecticidal activity.
    Type: Application
    Filed: January 31, 2003
    Publication date: March 18, 2004
    Applicant: NIHON NOHYAKU CO., LTD.
    Inventors: Shuko Okui, Nobuo Kyomura, Toshiki Fukuchi, Kazuya Okano, Liangyou He, Akiko Miyauchi
  • Publication number: 20030060471
    Abstract: The invention provides a novel pest control agent having a high systemic activity and a high safety with reduced adverse influences on the environment neighboring the place to which the agent is applied, and a process for producing the same.
    Type: Application
    Filed: December 28, 2001
    Publication date: March 27, 2003
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Shuko Okui, Nobuo Kyomura, Toshiki Fukuchi, Ken Tanaka, Manabu Katsurada, Kazuya Okano, Naoko Sumitani, Akiko Miyauchi, Akiko Yabe
  • Patent number: 6335357
    Abstract: A 1-aryl-3-cyano-5-(het)arylalkylaminopyrazole derivative represented by the general formula (1): process of making, intermediate thereof and pesticide therewith.
    Type: Grant
    Filed: October 7, 1999
    Date of Patent: January 1, 2002
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Shuko Okui, Nobuo Kyomura, Toshiki Fukuchi, Ken Tanaka
  • Patent number: 5705453
    Abstract: A indazole compound useful as an agricultural and horticultural insecticide, miticide, and/or fungicide which is represented by the formula set out below, wherein R.sup.1 represents hydrogen, a C.sub.1 -C.sub.4 alkyl, a C.sub.1 -C.sub.4 alkoxy, or a halogen; R.sup.2 and R.sup.3 are preferably hydrogen atoms; and R.sup.4 represents, for example, hydrogen, a C.sub.1 -C.sub.8 alkyl, a C.sub.1 -C.sub.8 alkoxy, a halogen, a C.sub.1 -C.sub.4 haloalkoxy, a 5- to 7-membered cycloalkoxy, a C.sub.1 -C.sub.4 alkylthio, a phenylamino, an N-(C.sub.1 -C.sub.4 alkyl)-phenylamino, pyrrole-yl, imidazole-yl, pyrrolidino, piperidino, or phenoxy.
    Type: Grant
    Filed: February 8, 1996
    Date of Patent: January 6, 1998
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Nobuo Kyomura, Shuko Okui, Yoshiya Ikeda, Shigeru Suzuki, Hirohumi Tomita, Yoshiaki Higashino
  • Patent number: 5039693
    Abstract: Novel pyrazole amide and an insecticidal and miticidal composition containing the pyrazole amide as an active ingredient are described.The pyrazole amide according to the present invention shows excellent insecticidal and miticidal activities.
    Type: Grant
    Filed: October 12, 1989
    Date of Patent: August 13, 1991
    Assignee: Mitsubishi Kasei Corporation
    Inventors: Itaru Okada, Shuko Okui, Mabuko Yamaura, Yoji Takahashi
  • Patent number: 4968805
    Abstract: Disclosed herein are pyrazole derivatives which are represented by the following formula (I): ##STR1## wherein R.sup.1 represents a C.sub.1 -C.sub.4 alkyl group or a benzyl group; R.sup.2 represents a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group; X represents a hydrogen atom, a halogen atom or a C.sub.1 -C.sub.4 alkyl group; R.sup.2 may combine with X to form ##STR2## wherein R.sup.5 represents a hydrogen atom or a C.sub.1 -C.sub.3 alkyl group; R.sup.3 represents a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group; R.sup.4 s independently represent a hydrogen atom, a halogen atom, a C.sub.1 -C.sub.5 alkyl group, a C.sub.1 -C.sub.4 alkoxy group, a C.sub.1 -C.sub.4 alkylthio group, a trifluoromethyl group, a C.sub.1 -C.sub.4 haloalkoxy group, a phenyl group, an alkyl-substituted phenyl group or ##STR3## wherein Y represents an oxygen atom or a sulfur atom, R.sup.6 s independently represent a hydrogen atom, a C.sub.1 -C.sub.4 alkyl group, a C.sub.1 -C.sub.
    Type: Grant
    Filed: February 15, 1989
    Date of Patent: November 6, 1990
    Assignee: Mitsubishi Kasei Corporation
    Inventors: Itaru Okada, Shigeru Suzuki, Shuko Okui, Yoji Takahashi, Toshiki Fukuchi, Tetsuo Nakajima
  • Patent number: 4950668
    Abstract: A novel pyrazole derivative and an insecticidal or miticidal composition containing the derivative as the effective ingredient are disclosed.The pyrazole derivative of the present invention has an excellent controlling effect also against harmful insects and mites exhibiting resistance to conventional insecticides and does not disturb the ecosystem since it is less toxic and less residual.
    Type: Grant
    Filed: April 14, 1988
    Date of Patent: August 21, 1990
    Assignee: Mitsubishi Kasei Corporation
    Inventors: Itaru Okada, Shuko Okui, Yoji Takahashi, Toshiki Fukuchi
  • Patent number: 4861777
    Abstract: A novel pyrazole derivative and an insecticidal or miticidal composition containing the derivative as the effective ingredient are disclosed.The pyrazole derivative of the present invention has an excellent controlling effect also against harmful insects and mites exhibiting resistance to conventional insecticides and does not disturb the ecosystem since it is less toxic and less residual.
    Type: Grant
    Filed: September 7, 1988
    Date of Patent: August 29, 1989
    Assignee: Mitsubishi Kasei Corporation
    Inventors: Itaru Okada, Shuko Okui, Mana Nishimata, Yoji Takahashi, Toshiki Fukuchi