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).
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Patent number: 5700824Abstract: 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: GrantFiled: November 6, 1996Date of Patent: December 23, 1997Assignees: 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
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Patent number: 5616594Abstract: 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: GrantFiled: January 18, 1994Date of Patent: April 1, 1997Assignees: 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
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Patent number: 5482951Abstract: 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: GrantFiled: December 23, 1993Date of Patent: January 9, 1996Assignees: 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
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Patent number: 5466705Abstract: 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: GrantFiled: January 21, 1994Date of Patent: November 14, 1995Assignees: 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
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Patent number: 5380944Abstract: 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: GrantFiled: October 27, 1993Date of Patent: January 10, 1995Assignees: 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
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Patent number: 5318959Abstract: 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: GrantFiled: October 6, 1992Date of Patent: June 7, 1994Assignees: 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
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Patent number: 5284860Abstract: 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: GrantFiled: October 6, 1992Date of Patent: February 8, 1994Assignees: 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
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Patent number: 5076834Abstract: 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: GrantFiled: October 5, 1990Date of Patent: December 31, 1991Assignees: 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
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Patent number: 5006157Abstract: 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: GrantFiled: November 28, 1989Date of Patent: April 9, 1991Assignees: 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