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).

  • Patent number: 11964957
    Abstract: 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: Grant
    Filed: May 24, 2019
    Date of Patent: April 23, 2024
    Assignee: KUMIAI CHEMICAL INDUSTRY CO., LTD.
    Inventors: Ryo Ishikawa, Akira Kinpara, Keiji Toriyabe, Akira Watanabe, Masao Nakatani, Akira Takanezawa, Takeshi Matsuda
  • Publication number: 20210261521
    Abstract: 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: Application
    Filed: May 24, 2019
    Publication date: August 26, 2021
    Applicant: KUMIAI CHEMICAL INDUSTRY CO., LTD.
    Inventors: Ryo ISHIKAWA, Akira KINPARA, Keiji TORIYABE, Akira WATANABE, Masao NAKATANI, Akira TAKANEZAWA, Takeshi MATSUDA
  • Publication number: 20200199096
    Abstract: 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: Application
    Filed: May 9, 2018
    Publication date: June 25, 2020
    Applicant: KUMIAI CHEMICAL INDUSTRY CO., LTD.
    Inventors: Akira KINPARA, Ryo ISHIKAWA, Keiji TORIYABE, Katsuya KATO, Masao NAKATANI, Akira TAKANEZAWA, Takeshi MATSUDA
  • Patent number: 7875606
    Abstract: 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: Grant
    Filed: June 20, 2002
    Date of Patent: January 25, 2011
    Assignees: 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
  • Publication number: 20090042917
    Abstract: 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: Application
    Filed: January 18, 2007
    Publication date: February 12, 2009
    Applicants: 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
  • Publication number: 20070249844
    Abstract: 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: Application
    Filed: June 29, 2007
    Publication date: October 25, 2007
    Applicants: Ihara Chemical Industry Co., Ltd., Kumiai Chemical Industry Co., Ltd.
    Inventors: Masao Nakatani, Minoru Ito, Masahiro Miyazaki
  • Patent number: 7256298
    Abstract: 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: Grant
    Filed: July 31, 2003
    Date of Patent: August 14, 2007
    Assignees: Ihara Chemical Industry Co., Ltd., Kumiai Chemical Industry Co., Ltd.
    Inventors: Masao Nakatani, Minoru Ito, Masahiro Miyazaki
  • Patent number: 7238689
    Abstract: 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: Grant
    Filed: February 7, 2002
    Date of Patent: July 3, 2007
    Assignees: Ihara Chemical Industry Co., Ltd., Japan and Kumiai Chemical Industry
    Inventors: Masao Nakatani, Ryotaro Kugo, Masahiro Miyazaki, Koichiro Kaku, Makoto Fujinami, Ryohei Ueno, Satoru Takahashi
  • Publication number: 20050215797
    Abstract: 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: Application
    Filed: July 31, 2003
    Publication date: September 29, 2005
    Inventors: Masao Nakatani, Minoru Ito, Masahiro Miyazaki
  • Patent number: 6841519
    Abstract: 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: Grant
    Filed: August 9, 2000
    Date of Patent: January 11, 2005
    Assignees: 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
  • Publication number: 20040259734
    Abstract: 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: Application
    Filed: June 12, 2004
    Publication date: December 23, 2004
    Inventors: Masao Nakatani, Minoru Ito, Kyoko Kimijima, Masahiro Miyazaki, Makoto Fujinami, Ryohei Ueno, Satoru Takahashi
  • Publication number: 20040110749
    Abstract: An isoxazoline derivative represented by the following general formula [I]: 1
    Type: Application
    Filed: December 22, 2003
    Publication date: June 10, 2004
    Inventors: Masao Nakatani, Ryotaro Kugo, Masahiro Miyazaki, Koichiro Kaku, Makoto Fujinami, Ryohei Ueno, Satoru Takahashi
  • Patent number: 6458748
    Abstract: 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: Grant
    Filed: January 22, 2001
    Date of Patent: October 1, 2002
    Assignees: Ihara Chemical Industry Co., Ltd., Kumiai Chemical Industry Co., Ltd.
    Inventors: Takumi Yoshimura, Masao Nakatani, Masatoshi Tamaru, Takeshi Danjo, Yukimasa Ono, Katsutada Yanagisawa
  • Patent number: 5763463
    Abstract: 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: Grant
    Filed: June 25, 1997
    Date of Patent: June 9, 1998
    Assignees: 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