Patents by Inventor Atsuhiko Ikeda

Atsuhiko Ikeda 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: 5700824
    Abstract: The invention provides a triazole derivative represented by a general formula ##STR1## (wherein R.sup.1 is an alkyl group, X is a hydrogen atom, a halogen atom or an alkyl group, n is an integer of 1-5, Y is a halogen atom, a nitro group or an alkyl group, and m is an integer of 2-5) as well as insecticide and acaricide containing the same as an active ingredient.The triazole derivatives according to the invention exhibit an excellent effectiveness against harmful pests, particularly aphids and mites.
    Type: Grant
    Filed: November 6, 1996
    Date of Patent: December 23, 1997
    Assignees: Kumiai Chemical Industrial Co. Ltd., Ihara Chemical Industry Co. Ltd.
    Inventors: Atsuhiko Ikeda, Masami Ozaki, Reijiro Honami, Takashi Yumita, Hiroyuki Yano, Yuki Nakano, Yutaka Kurihara, Tadayoshi Hirano
  • Patent number: 5616594
    Abstract: The invention provides a triazole derivative represented by a general formula ##STR1## (wherein R.sup.1 is an alkyl group, X is a hydrogen atom, a halogen atom or an alkyl group, n is an integer of 1-5, Y is a halogen atom, a nitro group or an alkyl group, and m is an integer of 2-5) as well as insecticide and acaricide containing the same as an active ingredient.The triazole derivatives according to the invention exhibit an excellent effectiveness against harmful pests, particularly aphids and mites.
    Type: Grant
    Filed: January 18, 1994
    Date of Patent: April 1, 1997
    Assignees: Ihara Chemical Industry Co. Ltd., Kumiai Chemical Industrial Co., Ltd.
    Inventors: Atsuhiko Ikeda, Masami Ozaki, Reijiro Honami, Takashi Yumita, Hiroyuki Yano, Yuki Nakano, Yutaka Kurihara, Tadayoshi Hirano
  • Patent number: 5482951
    Abstract: A novel triazole derivative for use in an insecticide or an acaricide has a general formula [I]: ##STR1## (wherein R.sup.1 is an alkyl group, X is a hydrogen atom, a halogen atom or the like, n is an integer of 1-5, A is an oxygen atom, a sulfur atom or the like, k is 0 or 1, R.sup.2 is a hydrogen atom, a halogen atom or the like, m is an integer of 1-5) and controls various injurious insects and mites, particularly mites and aphids without damaging crops.
    Type: Grant
    Filed: December 23, 1993
    Date of Patent: January 9, 1996
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Masami Ozaki, Atsuhiko Ikeda, Reijiro Honami, Takashi Yumita, Naokazu Minoguchi, Hiroyuki Yano, Norihiko Izawa, Tadayoshi Hirano
  • Patent number: 5466705
    Abstract: There are provided triazole derivatives represented by a general formula ##STR1## (wherein R.sup.1 is an alkyl group having a carbon number of 1-4, R.sup.2 is a phenyl group substitutable with a halogen atom, an alkyl group having a carbon number of 1-4 or the like, R.sup.3 is an alkenyl group having a carbon number of 3 or more substitutable with 1-4 halogen atoms, a phenyl group substituted with 1 or more halogen atoms or the like), a method producing the same, and a pest controlling agent containing the same as an active ingredient.The triazole derivatives according to the invention have an excellent insecticidal action against harmful pests such as hemipteran insects, lepidopteran insects, dipteran insects, mites and the like and also have an excellent ovicidal action against eggs of these pests. Furthermore, they have a preventively controlling effect on serious diseases such as sheath blight, blast and the like without badly affecting crops.
    Type: Grant
    Filed: January 21, 1994
    Date of Patent: November 14, 1995
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Masami Ozaki, Atsuhiko Ikeda, Takashi Yumita, Reijiro Honami, Naokazu Minoguchi, Hiroyuki Yano, Norihiko Izawa, Tadayoshi Hirano
  • Patent number: 5380944
    Abstract: A novel benzhydrazone derivative has a general formula [I]: ##STR1## (wherein R.sup.1 is a lower alkyl group, R.sup.2 and R.sup.3 are same or different halogen atoms and Z is a chlorine atom or an amino group) and is useful as an intermediate for the production of a triazole derivative having the following general formula [II]: ##STR2## (wherein R.sup.1, R.sup.2 and R.sup.3 are the same as mentioned above and X is a chlorine atom located at 2- or 6-position).
    Type: Grant
    Filed: October 27, 1993
    Date of Patent: January 10, 1995
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Masami Ozaki, Reijiro Honami, Takashi Yumita, Atsuhiko Ikeda, Naokazu Minoguchi, Norihiko Izawa, Tadayoshi Hirano
  • Patent number: 5318959
    Abstract: A novel triazole derivative for use in an insecticide or an acaricide has a general formula [I]: ##STR1## (wherein R.sup.1 is an alkyl group, X is a hydrogen atom, a halogen atom, an alkyl group or the like, n is an integer of 1-5, Y is an alkenyl group, an alkynyl group, an alkoxyalkyl group or the like) and controls various injurious insects and mites, particularly mites and aphids without damaging crops.
    Type: Grant
    Filed: October 6, 1992
    Date of Patent: June 7, 1994
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Masami Ozaki, Atsuhiko Ikeda, Reijiro Honami, Takashi Yumita, Naokazu Minoguchi, Hiroyuki Yano, Norihiko Izawa, Tadayoshi Hirano
  • Patent number: 5284860
    Abstract: A novel triazole derivative for use in an insecticide has a general formula [I]: ##STR1## (wherein R.sup.1 is a lower alkyl group, R.sup.2 and R.sup.3 are same or different halogen atoms and X is a chlorine atom located at 2- or 6-position) and controls various injurious insects, particularly aphids without damaging crops.
    Type: Grant
    Filed: October 6, 1992
    Date of Patent: February 8, 1994
    Assignees: Kumiai Chemical Industry Co. Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Masami Ozaki, Reijiro Honami, Takashi Yumita, Atsuhiko Ikeda, Naokazu Minoguchi, Norihiko Izawa, Tadayoshi Hirano
  • Patent number: 5076834
    Abstract: A cyclic amide compound of the formula: ##STR1## wherein X is a hydrogen atom, a halogen atom, a lower alkyl group, a haloalkyl group, a lower alkoxy group, a haloalkoxy group, a lower alkylthio group or a nitro group; Y is a hydrogen atom, a halogen atom, an alkykl roup, a cycloalkyl group, an alkenyl group, an alkylnyl group, a haloalkyl group, a phenyl group, an alkoxy group, a cycloalkoxy group, a cycloalkylalkoxy group, an alkenyloxy group, an alkynloxy group, a benzyloxy group, a phenoxy group, a haloalkoxy group, a lower alkoxy-lower alkoxy group, a cyanoalkoxy group, an alkylthio group, an alkenylthio group, an alkynylthio group, a benzylthio group, a phenylthio group, ##STR2## (wherein W is an oxygen atom or a sulfuratom, R.sup.3 is a hydrogen atom or an alkyl group and R.sup.4 is an alkyl group), ##STR3## (wherein each of R.sup.5 and R.sup.6 is a hydrogen atom or a lower alkyl group), an alkylsulfonyl group, ##STR4## (wherein R.sup.5 and R.sup.
    Type: Grant
    Filed: October 5, 1990
    Date of Patent: December 31, 1991
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Nobuyuki Ohba, Atsuhiko Ikeda, Kenji Matsunari, Yuji Yamada, Michiya Hirata, Yasuo Nakamura, Akira Takeuchi, Hiroyuki Karino
  • Patent number: 5006157
    Abstract: A cyclic amide compound of the formula: ##STR1## wherein X is a hydrogen atom, a halogen atom, a lower alkyl group, a haloalkyl group, a lower alkoxy group, a haloalkoxy group, a lower alkylthio group or a nitro group; Y is a hydrogen atom, a halogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, a haloalkyl group, a phenyl group, an alkoxy group, a cycloalkoxy group, a cycloalkylalkoxy group, an alkenyloxy group, an alkynyloxy group, a benzyloxy group, a phenoxy group, a haloalkoxy group, a lower alkoxy-lower alkoxy group, a cyanoalkoxy group, an alkylthio group, an alkenylthio group, an alkynylthio group, a benzylthio group, a phenylthio group, ##STR2## (wherein W is an oxygen atom or a sulfur atom, R.sup.3 is a hydrogen atom or an alkyl group and R.sup.4 is an alkyl group), ##STR3## (wherein each of R.sup.5 and R.sup.6 is a hydrogen atom or a lower alkyl group, an alkylsulfonyl group, ##STR4## (wherein R.sup.5 and R.sup.
    Type: Grant
    Filed: November 28, 1989
    Date of Patent: April 9, 1991
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Nobuyuki Ohba, Atsuhiko Ikeda, Kenji Matsunari, Yuji Yamada, Michiya Hirata, Yasuo Nakamura, Akira Takeuchi, Hiroyuki Karino