Patents by Inventor Nao MAEHATA

Nao MAEHATA 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: 20230354808
    Abstract: The present invention provides a method for controlling soybean rust fungus having an amino acid replacement of F129L in mitochondrial cytochrome b protein. A compound represented by formula (I) [wherein: Q represents a group represented by Q1 etc. (wherein “•” represents a position bonding to benzene ring); E represents C1-C6 chain hydrocarbon group, etc.; R1 represents C1-C3 chain hydrocarbon group, etc.; n is 0, 1, 2 or 3; when n is 2 or 3, two or more of R2 may be identical to or different from each other; and R2 represents C1-C3 chain hydrocarbon group, etc.] can be used for controlling soybean rust fungus having an amino acid replacement of F129L in mitochondrial cytochrome b protein.
    Type: Application
    Filed: January 29, 2021
    Publication date: November 9, 2023
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yuichi MATSUZAKI, Takaaki NAKANO, Hidekatsu TOBITA, Keisuke ARAI, Nao MAEHATA
  • Publication number: 20230150909
    Abstract: The present invention provides a compound having an excellent efficacy for controlling pests. According to the present invention, a compound represented by formula (I) [wherein Q represents a group represented by Q1, or a group represented by Q2 (where • represents a binding site to a benzene ring), E represents a C5-C6 cycloalkenyl group and so on, L represents an oxygen atom or NH, a combination of R1 and n represents a combination where R1 represents a hydrogen atom, and n is 1, and so on, and R2 represents a methyl group and so on] or its N-oxide, or agriculturally acceptable salts thereof has an excellent efficacy for controlling pests.
    Type: Application
    Filed: January 29, 2021
    Publication date: May 18, 2023
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Nao MAEHATA, Keisuke ARAI, Hiroto TAMASHIMA, Toshiyuki HARADA
  • Patent number: 11225470
    Abstract: The present invention provides a tetrazolinone represented by formula (I) and a pest control agent comprising the same, and their use thereof.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: January 18, 2022
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Koichiro Dota, Yuki Sugita, Yuki Akioka, Nao Maehata, Sadayuki Arimori
  • Publication number: 20210321614
    Abstract: The present invention provides a method for controlling a plant disease which comprises applying a compound represented by formula (I) [wherein Z represents a C1-C6 chain hydrocarbon group and the like, R1 and R2 are identical to or different from each other and represent a hydrogen atom or a fluorine atom, and R3, R4, R5, R6 and R7 are identical to or different from each other and represent a C1-C6 chain hydrocarbon group and the like] to a plant or a soil, which has excellent control efficacies against plant diseases.
    Type: Application
    Filed: October 18, 2019
    Publication date: October 21, 2021
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Nao MAEHATA, Hiroshi SAKAGUCHI, Shuhei AZUMA, Yusuke OTA
  • Patent number: 11046673
    Abstract: The present invention provides a compound having excellent control efficacies against plant diseases. The compound is represented by formula (I): wherein, R1 represents a C1-C3 alkyl group optionally having one or more halogens; n is 1 or 2; R2 and R3 represent independently of each other a hydrogen atom, etc.; R4 represents a hydrogen atom, etc.; and R5 represents a C1-C3 alkyl group optionally having one or more halogen atoms, etc.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: June 29, 2021
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yuki Akioka, Nao Maehata
  • Publication number: 20210179589
    Abstract: The present invention provides a compound having excellent control efficacies against plant diseases. The compound is represented by formula (I): wherein, R1 represents a C1-C3 alkyl group optionally having one or more halogens; n is 1 or 2; R2 and R3 represent independently of each other a hydrogen atom, etc.; R4 represents a hydrogen atom, etc.; and R5 represents a C1-C3 alkyl group optionally having one or more halogen atoms, etc.
    Type: Application
    Filed: August 24, 2017
    Publication date: June 17, 2021
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yuki AKIOKA, Nao MAEHATA
  • Publication number: 20190382385
    Abstract: The present invention provides a tetrazolinone represented by formula (I) and a pest control agent comprising the same, and their use thereof.
    Type: Application
    Filed: November 28, 2017
    Publication date: December 19, 2019
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Koichiro DOTA, Yuki SUGITA, Yuki AKIOKA, Nao MAEHATA, Sadayuki ARIMORI
  • Patent number: 10053448
    Abstract: A tetrazolinone compound represented by formula (1): wherein R1 represents a hydrogen atom, a C1-C3 alkyl group optionally having one or more halogen atoms, a C1-C3 alkoxy group optionally having one or more halogen atoms, a halogen atom, a cyano group, or a C1-C3 alkylthio group optionally having one or more halogen atoms; and R2 represents a C1-C3 alkyl group optionally having one or more halogen atoms, a C1-C3 alkoxy group optionally having one or more halogen atoms, a hydrogen atom, a halogen atom, or a C3-C4 cycloalkyl group optionally having one or more halogen atoms, has excellent control activity against plant diseases.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: August 21, 2018
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Nao Maehata, Sadayuki Arimori
  • Publication number: 20180051008
    Abstract: A tetrazolinone compound represented by formula (1): wherein R1 represents a hydrogen atom, a C1-C3 alkyl group optionally having one or more halogen atoms, a C1-C3 alkoxy group optionally having one or more halogen atoms, a halogen atom, a cyano group, or a C1-C3 alkylthio group optionally having one or more halogen atoms; and R2 represents a C1-C3 alkyl group optionally having one or more halogen atoms, a C1-C3 alkoxy group optionally having one or more halogen atoms, a hydrogen atom, a halogen atom, or a C3-C4 cycloalkyl group optionally having one or more halogen atoms, has excellent control activity against plant diseases.
    Type: Application
    Filed: March 28, 2016
    Publication date: February 22, 2018
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Nao MAEHATA, Sadayuki ARIMORI
  • Patent number: 9888688
    Abstract: A tetrazolinone compound represented by formula (1): wherein Q represents a 6-membered aromatic heterocyclic group optionally having one or more atoms or groups selected from Group P1, provided that a heteroatom constituting the heterocyclic group is a nitrogen atom, and the number of nitrogen atom is 1, 2, or 3; R1, R2, R3, and R11 each represents a C1-C6 alkyl group optionally having one or more atoms or groups selected from Group P2; R4 and R5 each represents a hydrogen atom, etc.; R6 represents a C1-C6 alkyl group optionally having one or more halogen atoms, etc.; R7, R8, and R9 each represents a hydrogen atom, etc.; and X represents an oxygen atom or a sulfur atom, has excellent control activity against pests.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: February 13, 2018
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Shuhei Azuma, Sadayuki Arimori, Nao Maehata
  • Patent number: 9675072
    Abstract: A tetrazolinone compound represented by formula (1): wherein R1 represents a C1-C3 alkyl group optionally having a fluorine atom, etc.; R2 and R4 represents a hydrogen atom, etc.; R3 represents a hydrogen atom, etc.; Z1 represents a C1-C3 alkyl group optionally having a halogen atom, etc.; Z2 represents a C1-C3 alkoxy group optionally having a halogen atom, a C3-C4 alkynyloxy group, etc.; Z3 represents a hydrogen atom, a C1-C3 alkyl group optionally having a halogen atom, etc.; and X represents an oxygen atom, etc., has excellent control activity against pests.
    Type: Grant
    Filed: May 26, 2014
    Date of Patent: June 13, 2017
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Sadayuki Arimori, Nao Maehata
  • Publication number: 20160150787
    Abstract: A tetrazolinone compound represented by formula (1): wherein Q represents a 6-membered aromatic heterocyclic group optionally having one or more atoms or groups selected from Group P1, provided that a heteroatom constituting the heterocyclic group is a nitrogen atom, and the number of nitrogen atom is 1, 2, or 3; R1, R2, R3, and R11 each represents a C1-C6 alkyl group optionally having one or more atoms or groups selected from Group P2; R4 and R5 each represents a hydrogen atom, etc.; R6 represents a C1-C6 alkyl group optionally having one or more halogen atoms, etc.; R7, R8, and R9 each represents a hydrogen atom, etc.; and X represents an oxygen atom or a sulfur atom, has excellent control activity against pests.
    Type: Application
    Filed: July 10, 2014
    Publication date: June 2, 2016
    Inventors: Shuhei AZUMA, Sadayuki ARIMORI, Nao MAEHATA
  • Publication number: 20160081340
    Abstract: A tetrazolinone compound represented by formula (1): wherein R1 represents a C1-C3 alkyl group optionally having a fluorine atom, etc.; R2 and R4 represents a hydrogen atom, etc.; R3 represents a hydrogen atom, etc.; Z1 represents a C1-C3 alkyl group optionally having a halogen atom, etc.; Z2 represents a C1-C3 alkoxy group optionally having a halogen atom, a C3-C4 alkynyloxy group, etc.; Z3 represents a hydrogen atom, a C1-C3 alkyl group optionally having a halogen atom, etc.; and X represents an oxygen atom, etc., has excellent control activity against pests.
    Type: Application
    Filed: May 26, 2014
    Publication date: March 24, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Sadayuki ARIMORI, Nao MAEHATA