Patents by Inventor Tatsunori Yoshida

Tatsunori Yoshida 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).

  • Method for producing 3-methyl-2-thiophenecarboxylic acid
    Patent number: 10538503
    Abstract: To provide a method for producing 3-methyl-2-thiophenecarboxylic acid. A method for producing 3-methyl-2-thiophenecarboxylic acid, which comprises reacting 3-methylthiophene with chlorosulfonyl isocyanate, and hydrolyzing the obtained reaction product.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: January 21, 2020
    Assignee: ISHIHARA SANGYO KAISHA, LTD.
    Inventor: Tatsunori Yoshida
  • METHOD FOR PRODUCING 3-METHYL-2-THIOPHENECARBOXYLIC ACID
    Publication number: 20190248759
    Abstract: To provide a method for producing 3-methyl-2-thiophenecarboxylic acid. A method for producing 3-methyl-2-thiophenecarboxylic acid, which comprises reacting 3-methylthiophene with chlorosulfonyl isocyanate, and hydrolyzing the obtained reaction product.
    Type: Application
    Filed: October 24, 2017
    Publication date: August 15, 2019
    Applicant: ISHIHARA SANGYO KAISHA, LTD.
    Inventor: Tatsunori YOSHIDA
  • Process for producing anthranilamide compound
    Patent number: 8481744
    Abstract: To provide a process for producing an anthranilamide having the 3-position of pyrazole substituted by a bromine atom, or its salt. A process for producing an anthranilamide compound represented by the formula (I) or its salt: which comprises reacting a compound represented by the formula (II): (wherein Z is 2-pyridyl, 3-pyridyl, 4-pyridyl or benzene substituted by a nitro group), with a brominating agent, to produce a compound represented by the formula (III): and further reacting the compound of the formula (III) with an oxidizing agent.
    Type: Grant
    Filed: April 10, 2009
    Date of Patent: July 9, 2013
    Assignee: Ishihara Sangyo Kaisha, Ltd.
    Inventors: Kazuhiro Yamamoto, Tetsuo Yoneda, Fumio Kanamori, Shigehisa Kanbayashi, Toyoshi Tanimura, Yohei Taguchi, Tatsunori Yoshida
  • Process for producing anthranilamide compound
    Patent number: 8115006
    Abstract: To provide a process for producing a specific anthranilamide compound or its salt. To provide a process for producing an anthranilamide compound represented by the formula (I) or its salt: wherein each of R1a and R3 which are independent of each other, is halogen or haloalkyl; R2 is cyclopropyl alkyl or cyclobutyl alkyl; and Hal is a chlorine atom or a bromine atom, which comprises a step of selectively halogenating a compound represented by the formula (II): wherein R1a, R2 and R3 are as defined above.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: February 14, 2012
    Assignee: Ishihara Sangyo Kaisha, Ltd.
    Inventors: Toru Koyanagi, Kazuhiro Yamamoto, Tetsuo Yoneda, Shigehisa Kanbayashi, Toyoshi Tanimura, Yohei Taguchi, Tatsunori Yoshida
  • PROCESS FOR PRODUCING ANTHRANILAMIDE COMPOUND
    Publication number: 20110034696
    Abstract: To provide a process for producing an anthranilamide having the 3-position of pyrazole substituted by a bromine atom, or its salt. A process for producing an anthranilamide compound represented by the formula (I) or its salt: which comprises reacting a compound represented by the formula (II): (wherein Z is 2-pyridyl, 3-pyridyl, 4-pyridyl or benzene substituted by a nitro group), with a brominating agent, to produce a compound represented by the formula (III): and further reacting the compound of the formula (III) with an oxidizing agent.
    Type: Application
    Filed: April 10, 2009
    Publication date: February 10, 2011
    Applicant: ISHIHARA SANGYO KAISHA, LTD.
    Inventors: Kazuhiro Yamamoto, Tetsuo Yoneda, Fumio Kanamori, Shigehisa Kanbayashi, Toyoshi Tanimura, Yohei Taguchi, Tatsunori Yoshida
  • PROCESS FOR PRODUCING ANTHRANILAMIDE COMPOUND
    Publication number: 20100063293
    Abstract: To provide a process for producing a specific anthranilamide compound or its salt. To provide a process for producing an anthranilamide compound represented by the formula (I) or its salt: wherein each of R1a and R3 which are independent of each other, is halogen or haloalkyl; R2 is cyclopropyl alkyl or cyclobutyl alkyl; and Hal is a chlorine atom or a bromine atom, which comprises a step of selectively halogenating a compound represented by the formula (II): wherein R1a, R2 and R3 are as defined above.
    Type: Application
    Filed: December 14, 2007
    Publication date: March 11, 2010
    Applicant: ISHIHARA SANGYO KAISHA ,LTD.
    Inventors: Toru Koyanagi, Kazuhiro Yamamoto, Tetsuo Yoneda, Shigehisa Kanbayashi, Toyoshi Tanimura, Yohei Taguchi, Tatsunori Yoshida