Patents by Inventor Masao Nakatani
Masao Nakatani 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: 11964957Abstract: Embodiments provide a pest control agent that is excellent in safety, controlling effect, residual activity, and so on. According to an embodiment, there is provided a pyrazole derivative represented by general formula [I], or an agriculturally acceptable salt thereof, and a pest control agent containing the same as an active ingredient: wherein, p represents an integer of 0 or 1, R1, R2, R3, R4, and R5 represent a hydrogen atom, halogen atom, C1-C6 alkyl group, or the like, A represents an oxygen atom or sulfur atom, Q represents a halogen atom, C6-C10 aryl group that is unsubstituted or substituted with (R8)m, or the like, and R6 and R7 represent a hydrogen atom, C1-C6 alkyl group, or the like.Type: GrantFiled: May 24, 2019Date of Patent: April 23, 2024Assignee: KUMIAI CHEMICAL INDUSTRY CO., LTD.Inventors: Ryo Ishikawa, Akira Kinpara, Keiji Toriyabe, Akira Watanabe, Masao Nakatani, Akira Takanezawa, Takeshi Matsuda
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Publication number: 20210261521Abstract: Embodiments provide a pest control agent that is excellent in safety, controlling effect, residual activity, and so on. According to an embodiment, there is provided a pyrazole derivative represented by general formula [I], or an agriculturally acceptable salt thereof, and a pest control agent containing the same as an active ingredient: wherein, p represents an integer of 0 or 1, R1, R2, R3, R4, and R5 represent a hydrogen atom, halogen atom, C1-C6 alkyl group, or the like, A represents an oxygen atom or sulfur atom, Q represents a halogen atom, C6-C10 aryl group that is unsubstituted or substituted with (R8)m, or the like, and R6 and R7 represent a hydrogen atom, C1-C6, alkyl group, or the like.Type: ApplicationFiled: May 24, 2019Publication date: August 26, 2021Applicant: KUMIAI CHEMICAL INDUSTRY CO., LTD.Inventors: Ryo ISHIKAWA, Akira KINPARA, Keiji TORIYABE, Akira WATANABE, Masao NAKATANI, Akira TAKANEZAWA, Takeshi MATSUDA
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Publication number: 20200199096Abstract: Embodiments provide a harmful organism control agent containing a pyrazole-3-carboxylic acid amide derivative or a salt thereof as an active ingredient, having an excellent harmful organism controlling effect. A pyrazole-3-carboxylic acid amide derivative represented by general formula [I]: (wherein, R1, R2, R3, R4, and R5 represent a hydrogen atom, halogen atom, C1-C6 alkyl group or the like, R6 represents a C1-C12 alkyl group, C1-C12 haloalkyl group or the like, R7 and R8 represent a hydrogen atom, C1-C12 alkyl group or the like) or an agriculturally acceptable salt thereof, and a harmful organism control agent containing the pyrazole-3-carboxylic acid amide derivative or an agriculturally acceptable salt thereof as an active ingredient.Type: ApplicationFiled: May 9, 2018Publication date: June 25, 2020Applicant: KUMIAI CHEMICAL INDUSTRY CO., LTD.Inventors: Akira KINPARA, Ryo ISHIKAWA, Keiji TORIYABE, Katsuya KATO, Masao NAKATANI, Akira TAKANEZAWA, Takeshi MATSUDA
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Patent number: 7875606Abstract: The present invention aims at providing an isoxazoline derivative and a pharmaceutically acceptable salt thereof, both having an excellent herbicidal effect and an excellent selectivity between crop and weed. The isoxazoline derivative of the present invention is represented by the following general formula: wherein R1 is a haloalkyl group; R2 is a hydrogen atom, an alkyl group, or the like; R3, R4, R5 and R6 are each a hydrogen atom, or the like; Y is a pyrrolyl group, a pyrazolyl group, an isothiazolyl group, an oxazolyl group, an imidazolyl group, a pyridazinyl group, a pyrimidinyl group, a pyrazinyl group, a triazinyl group, a triazolyl group, an oxadiazolyl group, or the like; and n is an integer of 0 to 2.Type: GrantFiled: June 20, 2002Date of Patent: January 25, 2011Assignees: Ihara Chemical Industry Co., Ltd., Kumiai Chemical Industry Co., Ltd.Inventors: Masao Nakatani, Minoru Ito, Kyoko Kimijima, Masahiro Miyazaki, Makoto Fujinami, Ryohei Ueno, Satoru Takahashi
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Publication number: 20090042917Abstract: A plant disease control agent contains, as an active ingredient, at least one aminopyrimidine derivatives represented by General Formula [I]: wherein R is a C2-10 alkyl group; R1 and R2 are each independently a hydrogen atom or a substituent such as an optionally substituted C1-10 alkyl group; X is hydrogen or a substituent selected from a predefined substituent group; Y is a substituent selected from a predefined substituent group; and m is an integer from 0 to 3, and agriculturally acceptable salts thereof.Type: ApplicationFiled: January 18, 2007Publication date: February 12, 2009Applicants: KUMIAI CHEMICAL INDUSTRY CO., LTD., IHARA CHEMICAL INDUSTRY CO., LTD.Inventors: Junichiro Bessho, Masao Nakatani, Yuuki Hirano, Hirokazu Arai, Atsushi Kogure, Norihisa Yonekura, Ryo Hanai
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Publication number: 20070249844Abstract: The present invention provides pyrazole derivatives useful as production intermediates for isoxazoline derivatives having an excellent herbicidal effect and selectivity between crops and weeds as well as processes for producing the same.Type: ApplicationFiled: June 29, 2007Publication date: October 25, 2007Applicants: Ihara Chemical Industry Co., Ltd., Kumiai Chemical Industry Co., Ltd.Inventors: Masao Nakatani, Minoru Ito, Masahiro Miyazaki
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Patent number: 7256298Abstract: The present invention provides pyrazole derivatives useful as production intermediates for isoxazoline derivatives having an excellent herbicidal effect and selectivity between crops and weeds as well as processes for producing the same.Type: GrantFiled: July 31, 2003Date of Patent: August 14, 2007Assignees: Ihara Chemical Industry Co., Ltd., Kumiai Chemical Industry Co., Ltd.Inventors: Masao Nakatani, Minoru Ito, Masahiro Miyazaki
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Patent number: 7238689Abstract: An isoxazoline derivative represented by the following general formula [I]: wherein R1 and R2 may be the same or different and are each an alkyl group; R3, R4, R5 and R6 are each a hydrogen atom; Y is an optionally substituted 5- to 6-membered aromatic heterocyclic group or fused aromatic heterocyclic group having a hetero atom selected from a nitrogen atom, a oxygen atom and a sulfur atom; and n is an integer: of 0 to 2. The isoxazoline derivative has an excellent herbicidal effect and an excellent selectivity between crop and weed.Type: GrantFiled: February 7, 2002Date of Patent: July 3, 2007Assignees: Ihara Chemical Industry Co., Ltd., Japan and Kumiai Chemical IndustryInventors: Masao Nakatani, Ryotaro Kugo, Masahiro Miyazaki, Koichiro Kaku, Makoto Fujinami, Ryohei Ueno, Satoru Takahashi
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Publication number: 20050215797Abstract: The present invention provides pyrazole derivatives useful as production intermediates for isoxazoline derivatives having an excellent herbicidal effect and selectivity between crops and weeds as well as processes for producing the same.Type: ApplicationFiled: July 31, 2003Publication date: September 29, 2005Inventors: Masao Nakatani, Minoru Ito, Masahiro Miyazaki
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Patent number: 6841519Abstract: The isoxazoline derivative of the present invention is represented by the following general formula [I]: [wherein Q is a group represented by —S(O)n—(CR5R6)m- (wherein n is an integer of 0 to 2, m is an integer of 1 to 3, and R5 and R6 are a hydrogen atom, a cyano group, an alkoxycarbonyl group, if an alkyl group or the like); R1 and R2 are a hydrogen atom, all optionally substituted alkyl group, an alkoxycarbonyl group, an optionally substituted phenyl group or the like; R3 and R4 are a hydrogen atom, an optionally substituted alkyl group, a cycloalkyl group or the like; Y is a hydrogen atom, an alkoxycarbonyl group, a carboxyl group, an alkenyl group, an optionally substituted alkyl group or an optionally substituted phenyl group]. The herbicide of the present invention contains the above isoxazoline derivative as the active ingredient.Type: GrantFiled: August 9, 2000Date of Patent: January 11, 2005Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.Inventors: Masao Nakatani, Kouichirou Kaku, Takumi Yoshimura, Masatoshi Tamaru, Hiroshi Kawasaki, Kazunori Kobayashi, Takeshige Miyazawa
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Publication number: 20040259734Abstract: The present invention aims at providing an isoxazoline derivative and a pharmaceutically acceptable salt thereof, both having an excellent herbicidal effect and an excellent selectivity between crop and weed.Type: ApplicationFiled: June 12, 2004Publication date: December 23, 2004Inventors: Masao Nakatani, Minoru Ito, Kyoko Kimijima, Masahiro Miyazaki, Makoto Fujinami, Ryohei Ueno, Satoru Takahashi
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Publication number: 20040110749Abstract: An isoxazoline derivative represented by the following general formula [I]: 1Type: ApplicationFiled: December 22, 2003Publication date: June 10, 2004Inventors: Masao Nakatani, Ryotaro Kugo, Masahiro Miyazaki, Koichiro Kaku, Makoto Fujinami, Ryohei Ueno, Satoru Takahashi
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Patent number: 6458748Abstract: The present invention provides a novel compound which is effective for the removal of a wide variety of weeds including difficult-to-control weeds emerging in paddy field and which is safe to mammals; a process for production thereof; a herbicide containing the compound as an active ingredient; and novel raw material compounds used in said process. The present invention relates to a di- or trifluoromethanesulfonyl anilide derivative represented by the following general formula: (wherein R1 is a hydrogen atom, an alkyl group or an alkoxyalkyl group; and R2 is a hydrogen atom when R1 is a hydrogen atom or an alkyl group, and is a hydrogen atom or a fluorine atom when R1 is an alkoxyalkyl group), or a salt thereof, both of said derivative and said salt having a herbicidal activity.Type: GrantFiled: January 22, 2001Date of Patent: October 1, 2002Assignees: Ihara Chemical Industry Co., Ltd., Kumiai Chemical Industry Co., Ltd.Inventors: Takumi Yoshimura, Masao Nakatani, Masatoshi Tamaru, Takeshi Danjo, Yukimasa Ono, Katsutada Yanagisawa
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Patent number: 5763463Abstract: A pyridine derivative of the formula (I), or its oxide or salt: ##STR1## wherein R.sup.1 is a halogen atom, an alkyl group, etc., R.sup.2 is an alkenyl group, an alkynyl group, an alkoxycarbonyl group, an alkenyloxycarbonyl group, etc., R.sup.3 is a hydrogen atom, etc., R.sup.4 is a halogen atom, a cyano group, a haloalkyl group, etc., each of R.sup.5 and R.sup.6 is a hydrogen atom, etc., Q is a methine group or a nitrogen atom, m is 0 or 1, n is 1 or 2 and r is 1 or 2. Such a compound is useful as a pesticide. The compound of the present invention is a pyridine derivative which is capable of killing or controlling various pests without adversely affecting crop plants and which is readily decomposable and presents no substantial acute toxity to mammals.Type: GrantFiled: June 25, 1997Date of Patent: June 9, 1998Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.Inventors: Nobuo Takefuji, Masao Nakatani, Junko Suzuki, Masami Ozaki, Ryouhei Ueno, Hiroyuki Yano, Mieko Kawashima, Yutaka Kurihara, Tomonori Shimazu