Patents by Inventor Jun Ohshita

Jun Ohshita 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: 11439147
    Abstract: Provided is a compound represented by formula (1): The compound represented by formula (1) has an excellent efficacy for controlling weeds, and is thus useful as an active ingredient for an agent for controlling weeds.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: September 13, 2022
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Jun Ohshita
  • Publication number: 20190183122
    Abstract: Provided is a compound represented by formula (1): The compound represented by formula (1) has an excellent efficacy for controlling weeds, and is thus useful as an active ingredient for an agent for controlling weeds.
    Type: Application
    Filed: August 24, 2017
    Publication date: June 20, 2019
    Inventor: Jun OHSHITA
  • Publication number: 20150045409
    Abstract: An amide compound represented by formula (I) has an excellent pest control effect. (In the formula, Y represents a 3-7 membered saturated heterocyclic ring which contains, as ring-forming components(s), one or more atoms or groups that are selected from the group consisting of an oxygen atom and —S(O)t—, the saturated heterocyclic ring may have one to three atoms or groups selected from group D and t represents 0 or the like; X represents a C1-C10 chain hydrocarbon group which may have one or more atoms or groups that are selected from group A, or the like; W represents —CR8— or the like; r represents 1 or the like; R1, R2, R3, R4, R5, R6, R7 and R8 may be the same or different and each represents a hydrogen atom or the like; and n represents 1 or the like.
    Type: Application
    Filed: February 5, 2013
    Publication date: February 12, 2015
    Inventors: Hideki Ihara, Tomotsugu Awano, Jun Ohshita, Noritada Matsuo
  • Publication number: 20150005348
    Abstract: An amide compound represented by formula (I) has an excellent pest control effect. (In the formula, Y represents a 3-7 membered saturated heterocyclic ring which contains, as ring-forming components(s), one or more atoms or groups that are selected from the group consisting of an oxygen atom and —S(O)t—, the saturated heterocyclic ring may have one to three atoms or groups selected from group D and t represents 0 or the like; x represents a C1-C8 chain hydrocarbon group having one group that is selected from group A; W represents —CR8— or the like; r represents 1 or the like; R1, R2, R3, R4, R5, R6, R7 and R8 may be the same or different and each represents a hydrogen atom or the like; and n represents 1 or the like.
    Type: Application
    Filed: February 5, 2013
    Publication date: January 1, 2015
    Inventors: Jun Ohshita, Tomotsugu Awano, Hideki Ihara
  • Patent number: 8461370
    Abstract: A process for producing comprising reacting a 3-formyl-2,2-dimethylcyclopropanecarboxylate and propionitrile in the presence of a base to obtain 3-(2-cyano-1-propenyl)-2,2-dimethylcyclopropanecarboxylic acid or its salt.
    Type: Grant
    Filed: April 5, 2010
    Date of Patent: June 11, 2013
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toru Uekawa, Jun Ohshita, Ichiro Komoto, Kouji Yoshikawa
  • Publication number: 20120323034
    Abstract: A method comprising an oximation step of reacting a formylalkenylcyclopropanecarboxylic acid ester represented by the formula (1): (wherein, R1 represents an alkyl group optionally having substituent(s) or halogen atom(s), and R2 represents an alkyl group optionally having substituent(s) or a benzyl group optionally having substituent(s)) and hydroxylamine in a solvent in the presence at least one compound selected from the group consisting of carboxylic acids and carboxylic acid metal salts, to produce a hydroxyiminoalkenylcyclopropanecarboxylic acid ester represented by the formula (3): (wherein, R1 and R2 are as defined above).
    Type: Application
    Filed: February 25, 2011
    Publication date: December 20, 2012
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kouji Yoshikawa, Toshiyuki Kiji, Jun Ohshita, Toshio Somyo, Manabu Kashiwabara, Yoko Miyanaga
  • Patent number: 8263797
    Abstract: A method for producing a cyclopropanecarboxylic acid compound represented by formula (VI) (wherein R denotes the same as below), which comprising reacting a compound represented by formula (V) (wherein R denotes a chain hydrocarbon group having 1 to 10 carbon atoms or the like, and R1 denotes a chain hydrocarbon group having 1 to 10 carbon atoms optionally substituted with a halogen atom or the like) with an alkali metal borohydride compound in the presence of a solvent.
    Type: Grant
    Filed: December 22, 2008
    Date of Patent: September 11, 2012
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toru Uekawa, Jun Ohshita, Kouji Yoshikawa, Ichiro Komoto
  • Publication number: 20120029227
    Abstract: A method for producing a cyclopropanecarboxylate represented by formula (III): wherein, R represents a chain hydrocarbon group having 1 to 10 carbon atoms optionally having at least one member selected from the group consisting of halogen atoms, acyl groups having 2 to 7 carbon atoms optionally having a substituent, alkoxy groups having 1 to 7 carbon atoms optionally having a substituent, alkylthio groups having 1 to 3 carbon atoms and phenyl groups optionally having a substituent, a cyclic hydrocarbon group having 3 to 10 carbon atoms or a hydrogen atom; comprising reacting a cyclopropanecarboxylate represented by formula (I): wherein, R represents the same meaning as described above; and 2-cyanopropionic acid in the presence of a base.
    Type: Application
    Filed: March 12, 2010
    Publication date: February 2, 2012
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Jun Ohshita, Toru Uekawa
  • Publication number: 20120016150
    Abstract: A process for producing comprising reacting a 3-formyl-2,2-dimethylcyclopropanecarboxylate and propionitrile in the presence of a base to obtain 3-(2-cyano-1-propenyl)-2,2-dimethylcyclopropanecarboxylic acid or its salt.
    Type: Application
    Filed: April 5, 2010
    Publication date: January 19, 2012
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Toru Uekawa, Jun Ohshita, Ichiro Komoto, Kouji Yoshikawa
  • Patent number: 8048916
    Abstract: A compound represented by the formula (I): has an excellent pest controlling activity and therefore is useful for an effective ingredient of a pest control composition.
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: November 1, 2011
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toru Uekawa, Jun Ohshita
  • Patent number: 8039499
    Abstract: An ester compound represented by the formula (I): (wherein, R1 represents a C1-C3 alkyl group, a 2-propenyl group or a 2-propynyl group.) has excellent pest controlling activity and is useful as an active ingredient for a pest controlling agent.
    Type: Grant
    Filed: August 24, 2007
    Date of Patent: October 18, 2011
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Jun Ohshita, Toru Uekawa
  • Publication number: 20100280267
    Abstract: A method for producing a cyclopropanecarboxylic acid compound represented by formula (VI) (wherein R denotes the same as below), which comprising reacting a compound represented by formula (V) (wherein R denotes a chain hydrocarbon group having 1 to 10 carbon atoms or the like, and R1 denotes a chain hydrocarbon group having 1 to 10 carbon atoms optionally substituted with a halogen atom or the like) with an alkali metal borohydride compound in the presence of a solvent.
    Type: Application
    Filed: December 22, 2008
    Publication date: November 4, 2010
    Inventors: Toru Uekawa, Jun Ohshita, Kouji Yoshikawa, Ichiro Komoto
  • Publication number: 20100041750
    Abstract: A compound represented by the formula (I): has an excellent pest controlling activity and therefore is useful for an effective ingredient of a pest control composition.
    Type: Application
    Filed: March 6, 2008
    Publication date: February 18, 2010
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Toru Uekawa, Jun Ohshita
  • Publication number: 20090253763
    Abstract: An ester compound represented by the formula (I): (wherein, R1 represents a C1-C3 alkyl group, a 2-propenyl group or a 2-propynyl group.) has excellent pest controlling activity and is useful as an active ingredient for a pest controlling agent.
    Type: Application
    Filed: August 24, 2007
    Publication date: October 8, 2009
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Jun Ohshita, Toru Uekawa