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).

  • Pyridone compounds and agricultural and horticultural fungicides containing the same as active ingredients
    Patent number: 11051513
    Abstract: An object of the invention is to provide compounds of formula (1) or salts thereof which are effective as agricultural and horticultural fungicides. In the formula, R1 represents, for example, a hydroxy group or a cyano group, R2, R3 and R4 are independent of one another and each represent, for example, a hydrogen atom or a halogen atom, R5 represents, for example, a hydrogen atom or a halogen atom, X represents an oxygen atom or a sulfur atom, Y represents, for example, a phenyl group or a pyridyl group, and the bond including the broken line represents a double bond or a single bond.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: July 6, 2021
    Assignee: MITSUI CHEMICALS AGRO, INC.
    Inventors: Hideki Umetani, Takeshi Fukumoto, Ryohei Naito, Hideaki Ikishima, Toshiyuki Kouno, Akihiro Nishida, Masanori Yanagi, Kazuki Kitajima, Satoshi Yutani, Tomomi Shirakawa, Toshiaki Ohara
  • Pyridone compounds and agricultural and horticultural fungicides containing the same as active ingredients
    Patent number: 11000038
    Abstract: A pyridone compound represented by Formula (1): wherein R1, R2, X, Y and Z are defined. The pyridone compound can control plant diseases.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: May 11, 2021
    Assignee: MITSUI CHEMICALS AGRO, INC.
    Inventors: Hideki Umetani, Kazuki Kitajima, Takeshi Fukumoto, Masanori Yanagi, Akihiro Nishida, Ryohei Naito, Koya Saito, Tomomi Shirakawa, Hikaru Koishihara, Akane Sakurada, Satoshi Yutani, Toshiaki Ohara
  • PYRIDONE COMPOUNDS AND AGRICULTURAL AND HORTICULTURAL FUNGICIDES CONTAINING THE SAME AS ACTIVE INGREDIENTS
    Publication number: 20200196600
    Abstract: A pyridone compound represented by Formula (1): wherein R1, R2, X, Y and Z are defined. The pyridone compound can control plant diseases.
    Type: Application
    Filed: April 10, 2018
    Publication date: June 25, 2020
    Applicant: MITSUI CHEMICALS AGRO, INC.
    Inventors: Hideki UMETANI, Kazuki KITAJIMA, Takeshi FUKUMOTO, Masanori YANAGI, Akihiro NISHIDA, Ryohei NAITO, Koya SAITO, Tomomi SHIRAKAWA, Hikaru KOISHIHARA, Akane SAKURADA, Satoshi YUTANI, Toshiaki OHARA
  • PYRIDONE COMPOUNDS AND AGRICULTURAL AND HORTICULTURAL FUNGICIDES CONTAINING THE SAME AS ACTIVE INGREDIENTS
    Publication number: 20190380340
    Abstract: An object of the invention is to provide compounds of formula (1) or salts thereof which are effective as agricultural and horticultural fungicides. In the formula, R1 represents, for example, a hydroxy group or a cyano group, R2, R3 and R4 are independent of one another and each represent, for example, a hydrogen atom or a halogen atom, R5 represents, for example, a hydrogen atom or a halogen atom, X represents an oxygen atom or a sulfur atom, Y represents, for example, a phenyl group or a pyridyl group, and the bond including the broken line represents a double bond or a single bond.
    Type: Application
    Filed: January 26, 2018
    Publication date: December 19, 2019
    Applicant: MITSUI CHEMICALS AGRO, INC.
    Inventors: Hideki UMETANI, Takeshi FUKUMOTO, Ryohei NAITO, Hideaki IKISHIMA, Toshiyuki KOUNO, Akihiro NISHIDA, Masanori YANAGI, Kazuki KITAJIMA, Satoshi YUTANI, Tomomi SHIRAKAWA, Toshiaki OHARA
  • Fused ring pyrimidine compound and pest control agent containing the same
    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
  • Aromatic amidecarboxylic acid and process for producing the same
    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
  • FUSED RING PYRIMIDINE COMPOUND AND PEST CONTROL AGENT CONTAINING THE SAME
    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
  • PROCESS FOR PRODUCTION OF AROMATIC AMIDE CARBOXYLIC ACID DERIVATIVE
    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
  • Process for production of aromatic amide carboxylic acid derivative
    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
  • PROCESS FOR PRODUCTION OF AROMATIC AMIDE CARBOXYLIC ACID DERIVATIVE
    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