Patents by Inventor Kazuki Kitajima

Kazuki Kitajima 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: 9963451
    Abstract: Provided is a pest control agent containing a fused ring pyrimidine compound represented by the following formula (I) or a salt thereof as an effective component. In formula (I), A represents a nitrogen atom or C—R4, B represents a nitrogen atom or C—R5, D represents a nitrogen atom or C—R6, X represents an oxygen atom, N—R7 or the like, each of R1, R2, R4 and R6 independently represents a hydrogen atom or the like, each of R3a and R3b independently represents a hydrogen atom or the like, R5 represents an alkylthio group or the like, R7 represents an alkoxy group or the like, and Ht represents a pyridyl group that may be substituted, or the like.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: May 8, 2018
    Assignee: Mitsui Chemicals Agro, Inc.
    Inventors: Takahiko Ochi, Takeo Wakita, Toshiyuki Kono, Kazuki Kitajima, Shinichi Banba, Ayumi Kawase, Atsuko Kawahara, Kazuyuki Sato
  • Patent number: 9458091
    Abstract: The invention provides a method for producing an aromatic amide carboxylic acid derivative represented by the following Formula (2), including a step of reacting an aromatic amide halide derivative represented by the following Formula (1) with carbon monoxide. In the following Formulae (1) and (2), R1 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; X1 represents a fluorine atom or a cyano group; X2 represents a halogen atom; and n represents an integer of from 0 to 3.
    Type: Grant
    Filed: June 8, 2015
    Date of Patent: October 4, 2016
    Assignee: Mitsui Chemicals Agro, Inc.
    Inventors: Kazuki Kitajima, Kenji Kodaka, Hiroyuki Katsuta, Kunio Okumura
  • Publication number: 20150368249
    Abstract: Provided is a pest control agent containing a fused ring pyrimidine compound represented by the following formula (I) or a salt thereof as an effective component. In formula (I), A represents a nitrogen atom or C—R4, B represents a nitrogen atom or C—R5, D represents a nitrogen atom or C—R6, X represents an oxygen atom, N—R7 or the like, each of R1, R2, R4 and R6 independently represents a hydrogen atom or the like, each of R3a and R3b independently represents a hydrogen atom or the like, R5 represents an alkylthio group or the like, R7 represents an alkoxy group or the like, and Ht represents a pyridyl group that may be substituted, or the like.
    Type: Application
    Filed: January 31, 2014
    Publication date: December 24, 2015
    Inventors: Takahiko OCHI, Takeo WAKITA, Toshiyuki KONO, Kazuki KITAJIMA, Shinichi BANBA, Ayumi KAWASE, Atsuko KAWAHARA, Kazuyuki SATO
  • Publication number: 20150266811
    Abstract: The invention provides a method for producing an aromatic amide carboxylic acid derivative represented by the following Formula (2), including a step of reacting an aromatic amide halide derivative represented by the following Formula (1) with carbon monoxide. In the following Formulae (1) and (2), R1 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; X1 represents a fluorine atom or a cyano group; X2 represents a halogen atom; and n represents an integer of from 0 to 3.
    Type: Application
    Filed: June 8, 2015
    Publication date: September 24, 2015
    Inventors: Kazuki Kitajima, Kenji Kodaka, Hiroyuki Katsuta, Kunio Okumura
  • Patent number: 9079827
    Abstract: The invention provides a method for producing an aromatic amide carboxylic acid derivative represented by the following Formula (2), including a step of reacting an aromatic amide halide derivative represented by the following Formula (1) with carbon monoxide. In the following Formulae (1) and (2), R1 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; X1 represents a fluorine atom or a cyano group; X2 represents a halogen atom; and n represents an integer of from 0 to 3.
    Type: Grant
    Filed: January 23, 2012
    Date of Patent: July 14, 2015
    Assignee: Mitsui Chemicals Agro, Inc.
    Inventors: Kazuki Kitajima, Kenji Kodaka, Hiroyuki Katsuta, Kunio Okumura
  • Publication number: 20130317247
    Abstract: The invention provides a method for producing an aromatic amide carboxylic acid derivative represented by the following Formula (2), including a step of reacting an aromatic amide halide derivative represented by the following Formula (1) with carbon monoxide. In the following Formulae (1) and (2), R1 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; X1 represents a fluorine atom or a cyano group; X2 represents a halogen atom; and n represents an integer of from 0 to 3.
    Type: Application
    Filed: January 23, 2012
    Publication date: November 28, 2013
    Applicant: MITSUI CHEMICALS AGRO, INC.
    Inventors: Kazuki Kitajima, Kenji Kodaka, Hiroyuki Katsuta, Kunio Okumura