Patents by Inventor Tomomi SHIRAKAWA

Tomomi SHIRAKAWA 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: 11178870
    Abstract: Pyridine compounds of Formula (1) are provided: wherein R1, R2, X, Y and Het are defined. The pyridine compounds can be used to treat or prevent plant diseases.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: November 23, 2021
    Assignee: MITSUI CHEMICALS AGRO, INC.
    Inventors: Hideki Umetani, Shun Okaya, Hideaki Ikishima, Takeshi Fukumoto, Akihiro Nishida, Masanori Yanagi, Ryohei Naito, Koji Masutomi, Tomomi Shirakawa, Akane Sakurada, Satoshi Yutani
  • Pyridone compounds and agricultural and horticultural fungicides containing the same as active ingredients
    Patent number: 11117863
    Abstract: Provided are a pyridone compound represented by Formula (1): wherein R1 represents a C1-C6 alkyl group which may be substituted, etc., R2 represents a halogen atom, a cyano group, etc., R3 and R4 are independent to each other, and each represents a hydrogen atom, a C1-C6 alkyl group which may be substituted, etc., or in combination with the nitrogen atom to which they are bonded form a pyrrolidinyl group, a piperidinyl group, etc., which may be substituted, Y represents a phenyl group which may be substituted, etc., X represents an oxygen atom or a sulfur atom, and an agricultural and horticultural fungicide containing the same as an active ingredient.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: September 14, 2021
    Assignee: MITSUI CHEMICALS AGRO, INC.
    Inventors: Hideki Umetani, Hideaki Ikishima, Kouji Takagi, Takeshi Fukumoto, Ryohei Naito, Tomomi Shirakawa, Hikaru Koishihara, Hisaki Yamanaka, Miyuki Kawashima, Akane Sakurada
  • 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: 20200172486
    Abstract: Provided are a pyridone compound represented by Formula (1): wherein R1 represents a C1-C6 alkyl group which may be substituted, etc., R2 represents a halogen atom, a cyano group, etc., R3 and R4 are independent to each other, and each represents a hydrogen atom, a C1-C6 alkyl group which may be substituted, etc., or in combination with the nitrogen atom to which they are bonded form a pyrrolidinyl group, a piperidinyl group, etc., which may be substituted, Y represents a phenyl group which may be substituted, etc., X represents an oxygen atom or a sulfur atom, and an agricultural and horticultural fungicide containing the same as an active ingredient.
    Type: Application
    Filed: June 7, 2018
    Publication date: June 4, 2020
    Applicant: MITSUI CHEMICALS AGRO, INC.
    Inventors: Hideki UMETANI, Hideaki IKISHIMA, Kouji TAKAGI, Takeshi FUKUMOTO, Ryohei NAITO, Tomomi SHIRAKAWA, Hikaru KOISHIHARA, Hisaki YAMANAKA, Miyuki KAWASHIMA, Akane SAKURADA
  • PYRIDONE COMPOUNDS AND AGRICULTURAL AND HORTICULTURAL FUNGICIDES CONTAINING THE SAME AS ACTIVE INGREDIENTS
    Publication number: 20200045968
    Abstract: Pyridine compounds of Formula (1) are provided: wherein R1, R2, X, Y and Het are defined. The pyridine compounds can be used to treat or prevent plant diseases.
    Type: Application
    Filed: April 10, 2018
    Publication date: February 13, 2020
    Applicant: MITSUI CHEMICALS AGRO, INC.
    Inventors: Hideki UMETANI, Shun OKAYA, Hideaki IKISHIMA, Takeshi FUKUMOTO, Akihiro NISHIDA, Masanori YANAGI, Ryohei NAITO, Koji MASUTOMI, Tomomi SHIRAKAWA, Akane SAKURADA, Satoshi YUTANI
  • 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