Patents by Inventor Yusuke TAKAHIRA

Yusuke TAKAHIRA 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: 10975053
    Abstract: The present invention relates to a method for producing a 1,3-dioxolane compound represented by formula 1, the method containing step (a), in which hexafluoroacetone monohydrate is brought into contact with a metal fluoride, step (b), in which fluorine gas is brought into contact, and step (c), in which an olefin compound represented by formula 2 is brought into contact. In formulae 1 and 2, X1 to X4 each independently represent a hydrogen atom, fluorine atom, chlorine atom, or trifluoromethyl group.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: April 13, 2021
    Assignee: AGC INC.
    Inventors: Daisuke Jomuta, Yusuke Takahira, Nobuyuki Otozawa, Chikaya Tamitsuji
  • Publication number: 20200354332
    Abstract: The present invention relates to a method for producing a 1,3-dioxolane compound represented by formula 1, the method containing step (a), in which hexafluoroacetone monohydrate is brought into contact with a metal fluoride, step (b), in which fluorine gas is brought into contact, and step (c), in which an olefin compound represented by formula 2 is brought into contact. In formulae 1 and 2, X1 to X4 each independently represent a hydrogen atom, fluorine atom, chlorine atom, or trifluoromethyl group.
    Type: Application
    Filed: July 23, 2020
    Publication date: November 12, 2020
    Applicant: AGC Inc.
    Inventors: Daisuke JOMUTA, Yusuke TAKAHIRA, Nobuyuki OTOZAWA, Chikaya TAMITSUJI
  • Patent number: 10421702
    Abstract: A method for producing at least one compound selected from the group consisting of a compound represented by the following formula (10), a compound represented by the following formula (11), a compound represented by the following formula (12), and a compound represented by the following formula (13), which the method containing reacting a compound represented by the following formula (2) with a compound represented by the following formula (7), in the presence of at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (3), a compound represented by the following formula (4), a compound represented by the following formula (8), and a compound represented by the following formula (9).
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: September 24, 2019
    Assignee: AGC Inc.
    Inventor: Yusuke Takahira
  • Patent number: 10407365
    Abstract: A method for producing at least one olefin compound selected from the group consisting of a compound of formula (51), a compound of formula (52), a compound of formula (53), and a compound of formula (54), the method including reacting an olefin compound of formula (21) with a olefin compound of formula (31) in the presence of at least one metal catalyst selected from the group consisting of a compound of formula (11), a compound of formula (12), a compound of formula (13), a compound of formula (14), and a compound of formula (15).
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: September 10, 2019
    Assignee: AGC Inc.
    Inventor: Yusuke Takahira
  • Patent number: 10358400
    Abstract: A method for producing at least one olefin compound selected from the group consisting of a compound of formula (51) and a compound of formula (52), the method including reacting an olefin compound of formula (21) with a olefin compound of formula (31) in the presence of at least one metal catalyst selected from the group consisting of a compound of formula (11), a compound of formula (12), a compound of formula (13), a compound of formula (14), and a compound of formula (15).
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: July 23, 2019
    Assignee: AGC Inc.
    Inventors: Yusuke Takahira, Daisuke Jomuta
  • Patent number: 10252959
    Abstract: A method for producing at least one compound of a fluorine-containing olefin compound (51) or a fluorine-containing olefin compound (52) includes performing a reaction of a fluorine-containing olefin compound (21) with an olefin compound (31) in the presence of a metal-carbene complex compound having an olefin metathesis reaction activity and an olefin compound (41) or (42).
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: April 9, 2019
    Assignee: AGC Inc.
    Inventor: Yusuke Takahira
  • Publication number: 20180086684
    Abstract: A method for producing at least one compound selected from the group consisting of a compound represented by the following formula (10), a compound represented by the following formula (11), a compound represented by the following formula (12), and a compound represented by the following formula (13), which the method containing reacting a compound represented by the following formula (2) with a compound represented by the following formula (7), in the presence of at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (3), a compound represented by the following formula (4), a compound represented by the following formula (8), and a compound represented by the following formula (9).
    Type: Application
    Filed: September 15, 2017
    Publication date: March 29, 2018
    Applicant: Asahi Glass Company, Limited
    Inventor: Yusuke TAKAHIRA
  • Publication number: 20170369402
    Abstract: A method for producing at least one compound of a fluorine-containing olefin compound (51) or a fluorine-containing olefin compound (52) includes performing a reaction of a fluorine-containing olefin compound (21) with an olefin compound (31) in the presence of a metal-carbene complex compound having an olefin metathesis reaction activity and an olefin compound (41) or (42).
    Type: Application
    Filed: September 1, 2017
    Publication date: December 28, 2017
    Applicant: Asahi Glass Company, Limited
    Inventor: Yusuke TAKAHIRA
  • Publication number: 20170335051
    Abstract: A method for producing a fluorine-containing polymer includes subjecting at least one kind of fluorine-containing cycloolefin compound selected from the group consisting of a fluorine-containing cycloolefin compound represented by the following formula (41) and a fluorine-containing cycloolefin compound represented by the following formula (42) to ring-opening metathesis polymerization in the presence of a metal-carbene complex compound (10) having an olefin metathesis reaction activity.
    Type: Application
    Filed: August 7, 2017
    Publication date: November 23, 2017
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Yusuke TAKAHIRA, Shinji WADA, Daisuke JOMUTA
  • Patent number: 9796647
    Abstract: A method for producing at least one compound selected from the group consisting of a compound represented by the following formula (10), a compound represented by the following formula (11), a compound represented by the following formula (12), and a compound represented by the following formula (13), which the method containing reacting a compound represented by the following formula (2) with a compound represented by the following formula (7), in the presence of at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (3), a compound represented by the following formula (4), a compound represented by the following formula (8), and a compound represented by the following formula (9).
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: October 24, 2017
    Assignee: Asahi Glass Company, Limited
    Inventor: Yusuke Takahira
  • Publication number: 20170291863
    Abstract: A method for producing at least one olefin compound selected from the group consisting of a compound of formula (51) and a compound of formula (52), the method including reacting an olefin compound of formula (21) with a olefin compound of formula (31) in the presence of at least one metal catalyst selected from the group consisting of a compound of formula (11), a compound of formula (12), a compound of formula (13), a compound of formula (14), and a compound of formula (15).
    Type: Application
    Filed: June 26, 2017
    Publication date: October 12, 2017
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Yusuke TAKAHIRA, Daisuke JOMUTA
  • Publication number: 20170291862
    Abstract: A method for producing at least one olefin compound selected from the group consisting of a compound of formula (51), a compound of formula (52), a compound of formula (53), and a compound of formula (54), the method including reacting an olefin compound of formula (21) with a olefin compound of formula (31) in the presence of at least one metal catalyst selected from the group consisting of a compound of formula (11), a compound of formula (12), a compound of formula (13), a compound of formula (14), and a compound of formula (15).
    Type: Application
    Filed: June 26, 2017
    Publication date: October 12, 2017
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventor: Yusuke TAKAHIRA
  • Publication number: 20170101360
    Abstract: A method for producing at least one compound selected from the group consisting of a compound represented by the following formula (10), a compound represented by the following formula (11), a compound represented by the following formula (12), and a compound represented by the following formula (13), which the method containing reacting a compound represented by the following formula (2) with a compound represented by the following formula (7), in the presence of at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (3), a compound represented by the following formula (4), a compound represented by the following formula (8), and a compound represented by the following formula (9).
    Type: Application
    Filed: December 20, 2016
    Publication date: April 13, 2017
    Applicant: Asahi Glass Company, Limited
    Inventor: Yusuke TAKAHIRA
  • Patent number: 9598335
    Abstract: A method for producing at least one compound selected from the group consisting of a compound represented by the following formula (10), a compound represented by the following formula (11), a compound represented by the following formula (12), and a compound represented by the following formula (13), which the method containing reacting a compound represented by the following formula (2) with a compound represented by the following formula (7), in the presence of at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (3), a compound represented by the following formula (4), a compound represented by the following formula (8), and a compound represented by the following formula (9).
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: March 21, 2017
    Assignee: ASAHI GLASS COMPANY, LIMITED
    Inventor: Yusuke Takahira
  • Publication number: 20170050934
    Abstract: To provide a pyrimidine derivative having a fluorinated substituent group, that can be applied to an agricultural chemical or pharmaceutical having excellent pharmacological activities, and a method for producing said derivative. A compound represented by the following formula (A). Rf is a group having an etheric (ethereal) oxygen atom inserted between carbon-carbon atoms in a C2-19 perfluoroalkyl group, wherein the total of the number of carbon atoms and the number of oxygen atoms is from 3 to 20. R1 is a C1-6 alkyl group, etc. Q1 is R2C(O)—, R3OC(O)—, a carboxy group, R4OC(O)NH—, an amino group, or R5C(O)NH—(R2 to R5 are each independently a C1-6 alkyl group, etc.).
    Type: Application
    Filed: November 8, 2016
    Publication date: February 23, 2017
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Yoshitomi MORIZAWA, Yusuke TAKAHIRA, Daisuke JYOUMUTA, Takahashi NAKANO
  • Patent number: 9575246
    Abstract: Provided are: a prepolymer which is capable of forming a non-linear optical material that has excellent non-linear optical effect, heat resistance, withstand voltage and transparency; a curable material which contains the prepolymer; a coating composition which contains the curable material and a solvent; a non-linear optical material which is obtained by curing the curable material; an optical waveguide which uses the non-linear optical material; and a light control device which is provided with the optical waveguide. The present invention uses a prepolymer having a crosslinkable functional group, which is obtained by reacting one or more compounds (X) that are selected from the group consisting of compounds (X1), compounds (X2) and compounds (X3), a compound (Y) that is represented by formula (Y), a compound (Z) that has three or more phenolic hydroxyl groups, and an organic compound (B) that exerts a non-linear optical effect and has a reactive group.
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: February 21, 2017
    Assignee: Asahi Glass Company, Limited
    Inventors: Eisuke Murotani, Keiko Fukuda, Yusuke Takahira
  • Publication number: 20160295864
    Abstract: To provide a pyrazole derivative having a superior fluorinated substituent, which is useful for pharmaceutical products or agricultural chemicals having pharmacological activities, and a method for its production. A compound represented by the following formula (A), wherein Rf is a C2-19 perfluoroalkyl group having ethereal oxygen atom(s) inserted between carbon-carbon atoms of the group, and the total number of carbon atoms and oxygen atoms in Rf being from 3 to 20, one of Q1 and Q2 is a hydrogen atom, and the other is a phenyl group, or a phenyl group in which at least one hydrogen atom in the phenyl group is each independently substituted by a halogen atom, and one of A1 and A2 is a nitrogen atom, and the other is a nitrogen atom to which R1 is bonded.
    Type: Application
    Filed: June 23, 2016
    Publication date: October 13, 2016
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Yoshitomi MORIZAWA, Yusuke TAKAHIRA
  • Publication number: 20160176791
    Abstract: A method for producing at least one compound selected from the group consisting of a compound represented by the following formula (10), a compound represented by the following formula (11), a compound represented by the following formula (12), and a compound represented by the following formula (13), which the method containing reacting a compound represented by the following formula (2) with a compound represented by the following formula (7), in the presence of at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (3), a compound represented by the following formula (4), a compound represented by the following formula (8), and a compound represented by the following formula (9).
    Type: Application
    Filed: February 29, 2016
    Publication date: June 23, 2016
    Applicant: Asahi Glass Company, Limited
    Inventor: Yusuke TAKAHIRA
  • Publication number: 20150153509
    Abstract: Provided are: a prepolymer which is capable of forming a non-linear optical material that has excellent non-linear optical effect, heat resistance, withstand voltage and transparency; a curable material which contains the prepolymer; a coating composition which contains the curable material and a solvent; a non-linear optical material which is obtained by curing the curable material; an optical waveguide which uses the non-linear optical material; and a light control device which is provided with the optical waveguide. The present invention uses a prepolymer having a crosslinkable functional group, which is obtained by reacting one or more compounds (X) that are selected from the group consisting of compounds (X1), compounds (X2) and compounds (X3), a compound (Y) that is represented by formula (Y), a compound (Z) that has three or more phenolic hydroxyl groups, and an organic compound (B) that exerts a non-linear optical effect and has a reactive group.
    Type: Application
    Filed: December 24, 2014
    Publication date: June 4, 2015
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Eisuke MUROTANI, Keiko FUKUDA, Yusuke TAKAHIRA