Patents by Inventor Takeo Wakita

Takeo Wakita 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).

  • Publication number: 20140031370
    Abstract: A compound represented by Formula (1): The compound can be used as insecticides.
    Type: Application
    Filed: September 20, 2013
    Publication date: January 30, 2014
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kei Yoshida, Takeo Wakita, Hiroyuki Katsuta, Akiyoshi Kai, Yutaka Chiba, Kiyoshi Takahashi, Hiroko Kato, Nobuyuki Kawahara, Michikazu Nomura, Hidenori Daido, Junji Maki, Shinichi Banba
  • Patent number: 8563736
    Abstract: A compound represented by Formula (1): The compound can be used as insecticides.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: October 22, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Kei Yoshida, Takeo Wakita, Hiroyuki Katsuta, Akiyoshi Kai, Yutaka Chiba, Kiyoshi Takahashi, Hiroko Kato, Nobuyuki Kawahara, Michikazu Nomura, Hidenori Daido, Junji Maki, Shinichi Banba
  • Publication number: 20130066114
    Abstract: Aniline derivatives represented by formula (8): The aniline derivatives can be used as insecticides and/or intermediates in production of insecticides.
    Type: Application
    Filed: September 13, 2012
    Publication date: March 14, 2013
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kei YOSHIDA, Takeo WAKITA, Hiroyuki KATSUTA, Akiyoshi KAI, Yutaka CHIBA, Kiyoshi TAKAHASHI, Hiroko KATO, Nobuyuki KAWAHARA, Michikazu NOMURA, Hidenori DAIDO, Junji MAKI, Shinichi BANBA, Atsuko KAWAHARA
  • Publication number: 20120225891
    Abstract: A compound represented by Formula (1): The compound can be used as insecticides.
    Type: Application
    Filed: March 22, 2012
    Publication date: September 6, 2012
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kei Yoshida, Takeo Wakita, Hiroyuki Katsuta, Akiyoshi Kai, Yutaka Chiba, Kiyoshi Takahashi, Hiroko Kato, Nobuyuki Kawahara, Michikazu Nomura, Hidenori Daido, Junji Maki, Shinichi Banba
  • Publication number: 20120220802
    Abstract: Aniline derivatives represented by formula (8) and formula (9): The aniline derivatives can be used as insecticides.
    Type: Application
    Filed: March 13, 2012
    Publication date: August 30, 2012
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kei Yoshida, Takeo Wakita, Hiroyuki Katsuta, Akiyoshi Kai, Yutaka Chiba, Kiyoshi Takahashi, Hiroko Kato, Nobuyuki Kawahara, Michikazu Nomura, Hidenori Daido, Junji Maki, Shinichi Banba, Atsuko Kawahara
  • Patent number: 8168825
    Abstract: An object of the present invention is to provide a compound represented by Formula (1): wherein A1, A2, A3 and A4 each represent a carbon atom, a nitrogen atom or an oxidized nitrogen atom; R1 and R2 each represent a hydrogen atom, an optionally substituted alkyl group or an optionally substituted C1-C4 alkylcarbonyl group; G1 and G2 each represent an oxygen atom or a sulfur atom; X, which may be identical or different each other, represents a hydrogen atom, a halogen atom, a C1-C3 alkyl group or a trifluoromethyl group; n is an integer of 0 to 4; and Q1 represents an optionally substituted phenyl group, an optionally substituted naphthyl group or an optionally substituted heterocyclic group; Q2 represents a phenyl group or heterocyclic group having one or more substituents, at least one of the substituent being any of a C1-C4 haloalkoxy group, a C2-C6 perfluoroalkyl group, a C1-C6 perfluoroalkylthio group, a C1-C6 perfluoroalkylsulfinyl group and a C1-C6 perfluoroalkylsulfonyl group, an insecticide com
    Type: Grant
    Filed: December 24, 2004
    Date of Patent: May 1, 2012
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Kei Yoshida, Takeo Wakita, Hiroyuki Katsuta, Akiyoshi Kai, Yutaka Chiba, Kiyoshi Takahashi, Hiroko Kato, Nobuyuki Kawahara, Michikazu Nomura, Hidenori Daido, Junji Maki, Shinichi Banba
  • Patent number: 8158814
    Abstract: An object of the present invention is to provide insecticides having high effectiveness.
    Type: Grant
    Filed: August 23, 2004
    Date of Patent: April 17, 2012
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Kei Yoshida, Takeo Wakita, Hiroyuki Katsuta, Akiyoshi Kai, Yutaka Chiba, Kiyoshi Takahashi, Hiroko Kato, Nobuyuki Kawahara, Michikazu Nomura, Hidenori Daido, Junji Maki, Shinichi Banba, Atsuko Kawahara
  • Patent number: 8067638
    Abstract: The present invention is to provide a compound represented by the general formula (1) exhibiting a high insecticidal effect and an insecticide comprising the compound as an active ingredient. The compound represented by the general formula (1) and an insecticide comprising the compound as an active ingredient, wherein, in the formula, A1, A2, A3 and A4 each represent a carbon atom or the like; R1 and R2 each represent a hydrogen atom or the like; G1 and G2 represent an oxygen atom or the like; Xs each represent a hydrogen atom, a halogen atom or the like; n represents an integer of 0 to 4; Q1 represents a substituted phenyl group, a substituted heterocyclic group or the like; Q2 represents a substituted phenyl group, a substituted heterocyclic group or the like.
    Type: Grant
    Filed: June 20, 2006
    Date of Patent: November 29, 2011
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Akiyoshi Kai, Takeo Wakita, Hiroyuki Katsuta, Kei Yoshida, Hidetaka Tsukada, Yusuke Takahashi, Nobuyuki Kawahara, Michikazu Nomura, Hidenori Daido
  • Publication number: 20090233962
    Abstract: The present invention is to provide a compound represented by the general formula (1) exhibiting a high insecticidal effect and an insecticide comprising the compound as an active ingredient. The compound represented by the general formula (1) and an insecticide comprising the compound as an active ingredient, wherein, in the formula, A1, A2, A3 and A4 each represent a carbon atom or the like; R1 and R2 each represent a hydrogen atom or the like; G1 and G2 represent an oxygen atom or the like; Xs each represent a hydrogen atom, a halogen atom or the like; n represents an integer of 0 to 4; Q1 represents a substituted phenyl group, a substituted heterocyclic group or the like; Q2 represents a substituted phenyl group, a substituted heterocyclic group or the like.
    Type: Application
    Filed: June 20, 2006
    Publication date: September 17, 2009
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Akiyoshi Kai, Takeo Wakita, Hiroyuki Katsuta, Kei Yoshida, Hidetaka Tsukada, Yusuke Takahashi, Nobuyuki Kawahara, Michikazu Nomura, Hidenori Daido
  • Publication number: 20070275980
    Abstract: An object of the present invention is to provide a compound represented by Formula (1): wherein A1, A2, A3 and A4 each represent a carbon atom, a nitrogen atom or an oxidized nitrogen atom; R1 and R2 each represent a hydrogen atom, an optionally substituted alkyl group or an optionally substituted C1-C4 alkylcarbonyl group; G1 and G2 each represent an oxygen atom or a sulfur atom; X, which may be identical or different each other, represents a hydrogen atom, a halogen atom, a C1-C3 alkyl group or a trifluoromethyl group; n is an integer of 0 to 4; and Q1 represents an optionally substituted phenyl group, an optionally substituted naphthyl group or an optionally substituted heterocyclic group; Q2 represents a phenyl group or heterocyclic group having one or more substituents, at least one of the substituent being any of a C1-C4 haloalkoxy group, a C2-C6 perfluoroalkyl group, a C1-C6 perfluoroalkylthio group, a C1-C6 perfluoroalkylsulfinyl group and a C1-C6 perfluoroalkylsulfonyl group, an insecticid
    Type: Application
    Filed: December 24, 2004
    Publication date: November 29, 2007
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Kei Yoshida, Takeo Wakita, Hiroyuki Katsuta, Akiyoshi Kai, Yutaka Chiba, Kiyoshi Takahashi, Hiroko Kato, Nobuyuki Kawahara, Michikazu Nomura, Hidenori Daido, Junji Maki, Shinichi Banba
  • Publication number: 20070027154
    Abstract: An object of the present invention is to provide insecticides having high effectiveness.
    Type: Application
    Filed: August 23, 2004
    Publication date: February 1, 2007
    Applicant: MITSUI CHEMICALS., INC.
    Inventors: Kei Yoshida, Takeo Wakita, Hiroyuki Katsuta, Akiyoshi Kai, Yutaka Chiba, Kiyoshi Takahashi, Hiroko Kato, Nobuyuki Kawahara, Michikazu Nomura, Hidenori Daido, Junji Maki, Shinichi Banba, Atsuko Kawahara
  • Patent number: 5614527
    Abstract: A tetrahydrofuran-compound is disclosed herein which is represented by the formula (1) ##STR1## wherein each of X.sub.1 and X.sub.2 is a hydrogen atom or a methyl group, Y is a hydrogen atom or a carbonyl group substituted by a lower alkyl group (Y') having 1 to 4 carbon atoms, i.e., an acyl group (--COY'), andn is 2 or 3,and an insecticide containing the tetrahydrofuran-compound as an effective component.
    Type: Grant
    Filed: May 23, 1995
    Date of Patent: March 25, 1997
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Katsutoshi Kinoshita, Takeo Wakita, Kenji Kodaka, Hirozumi Matsuno, Kenichi Satoh, Shirou Shiraishi, Kazutomi Ohnuma, Eiichi Yamada, Naoko Yasui, Nobuyuki Kawahara, Koichi Ebihara, Michihiko Nakaya
  • Patent number: 5532365
    Abstract: The present invention relates to novel (tetrahydro-3-furanyl)methylamino derivatives of the following formula (1): ##STR1## wherein the variables are defined in the specification, which are useful as insecticides.
    Type: Grant
    Filed: April 5, 1995
    Date of Patent: July 2, 1996
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Kenji Kodaka, Katsutoshi Kinoshita, Takeo Wakita, Shirou Shiraishi, Kazutomi Ohnuma, Eiichi Yamada, Naoko Yasui, Michihiko Nakaya, Hirozumi Matsuno, Nobuyuki Kawahara, Koichi Ebihara
  • Patent number: 5434181
    Abstract: The present invention relates to novel (tetrahydro-3-furanyl)methylamino derivatives of the following formula (1): ##STR1## wherein the variables are defined in the specification, which are useful as insecticides.
    Type: Grant
    Filed: October 20, 1994
    Date of Patent: July 18, 1995
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Kenji Kodaka, Katsutoshi Kinoshita, Takeo Wakita, Shirou Shiraishi, Kazutomi Ohnuma, Eiichi Yamada, Naoko Yasui, Michihiko Nakaya, Hirozumi Matsuno, Nobuyuki Kawahara, Koichi Ebihara