Patents by Inventor Hirokazu Matsuda

Hirokazu Matsuda 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).

  • Publication number: 20240391894
    Abstract: The present invention provides a method for producing a compound represented by formula (3) (in the formula, Q, R1 and R2 are the same as those in formula (1) and formula (2)), comprising chemically reacting a compound represented by formula (1) (in the formula, Q represents a substituted or unsubstituted 5- to 6-membered or 9- to 10-membered heteroaryl group, and R1 represents a C1-6 alkyl group) with a compound represented by formula (2) (in the formula, R2 represents a hydrogen atom, a substituted or unsubstituted C1-6 alkyl group, a substituted or unsubstituted C3-6 cycloalkyl group, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted 5- to 6-membered heteroaryl group) in the presence of a metal alkoxide or a base, and a method for producing a compound represented by formula (4) (in the formula, Q, R1 and R2 are the same as those in formula (3)), comprising chemically reacting the compound represented by formula (3) with a hydroxylamine or a salt thereof, and subjecting a produc
    Type: Application
    Filed: November 16, 2022
    Publication date: November 28, 2024
    Applicant: Nippon Soda Co., Ltd.
    Inventors: Shinichi KOBAYASHI, Hirokazu MATSUDA
  • Publication number: 20240351867
    Abstract: The present invention relates to a method for producing hydrogen, in which hydrogen is generated from a formate using a metal catalyst in the presence of a solvent by a two-phase system reaction in which the solvent is present in a state where an organic phase and an aqueous phase are separated.
    Type: Application
    Filed: August 9, 2022
    Publication date: October 24, 2024
    Inventors: Makoto HIRANO, Hirokazu MATSUDA
  • Patent number: 12120982
    Abstract: An electric work vehicle includes: a battery accommodating portion that is provided in the vehicle body and accommodates a battery; a first connector provided on the battery accommodating portion; a second connector provided on the battery; and an operating tool for moving the battery and the second connector, and switching from a pre-attachment orientation in which the second connector opposes the first connector to an attachment orientation in which the second connector is joined to the first connector.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: October 22, 2024
    Assignee: Kubota Corporation
    Inventors: Katsuhiko Uemura, Hirokazu Ito, Kazuaki Matsuda, Yasuhiro Manji
  • Patent number: 11946390
    Abstract: Provided is a rotor blade configured to be implanted in a disc of a rotating body, the rotor blade including a blade root, wherein in a cross-sectional shape of the blade root, the blade root includes at least one stage of protruding parts protruding toward opposite sides with respect to a direction containing a circumferential component, the protruding parts being configured to lock the blade root to the disc, each of the protruding parts has a contact surface configured to come into contact with the disc and inclined so as to extend toward a center part of the blade root from radially inside to radially outside, and each of the protruding parts has a non-contact surface configured not to come into contact with the disc and inclined so as to extend toward the center part of the blade root from the radially inside to the radially outside.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: April 2, 2024
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Hirotaka Kurashima, Hirokazu Matsuda, Ryoji Tamai, Ryozo Tanaka
  • Publication number: 20240043367
    Abstract: Provided is a method for producing an alkaline earth metal formate, the method including a first step of reacting hydrogen and carbon dioxide with a carbonate or hydrogen carbonate of an alkaline earth metal using a homogeneous catalyst in the presence of a solvent in a two-phase system in which an organic phase and an aqueous phase are present in a separated state in the solvent to produce an alkaline earth metal formate.
    Type: Application
    Filed: August 30, 2021
    Publication date: February 8, 2024
    Inventors: Makoto HIRANO, Hirokazu MATSUDA, Evgeny Alexandrovich PIDKO, Georgy Alexandrovich FILONENKO, Christophe REBREYEND
  • Publication number: 20230357120
    Abstract: The invention relates to a method for producing a formate, the method including reacting hydrogen with carbon dioxide, a hydrogen carbonate or a carbonate using a catalyst in the presence of a solvent, wherein the reaction is a two-phase system in which an organic solvent and an aqueous solvent are present in a separated state in the solvent, and the catalyst is at least one selected from a ruthenium complex represented by the formula (1) in the specification, a tautomer or stereoisomer thereof, and a salt compound of the complex, tautomer or stereoisomer.
    Type: Application
    Filed: August 30, 2021
    Publication date: November 9, 2023
    Inventors: Hirokazu MATSUDA, Daisuke FUOKA, Makoto HIRANO, Evgeny Alexandrovich PIDKO, Georgy Alexandrovich FILONENKO, Christophe REBREYEND
  • Publication number: 20230312448
    Abstract: The invention relates to a method for producing a formate, the method including a first step of reacting hydrogen with carbon dioxide, a hydrogen carbonate or a carbonate using a catalyst in the presence of a solvent to form a formate in the reaction liquid, wherein the reaction is a two-phase system in which an organic phase and an aqueous phase are present in a separated state in the solvent, and a base concentration in the reaction is 2.5 mol/L or more.
    Type: Application
    Filed: August 30, 2021
    Publication date: October 5, 2023
    Inventors: Makoto HIRANO, Hirokazu MATSUDA, Evgeny Alexandrovich PIDKO, Georgy Alexandrovich FILONENKO, Christophe REBREYEND
  • Publication number: 20230302403
    Abstract: Provided is a carbon-dioxide capture and treatment system comprising: a carbon dioxide-enriched mixture gas generation device comprising a separation membrane capable of increasing a carbon dioxide concentration of a mixture gas taken therein, thereby generating a carbon dioxide-enriched mixture gas; a carbon dioxide conversion device configured to convert carbon dioxide in the enriched mixture gas received from the carbon dioxide-enriched mixture gas generation device, into a chemically stable compound; a final treatment device comprising an adsorbent, wherein the final treatment device is configured to adsorb the carbon dioxide by the adsorbent, thereby separating the carbon dioxide from other gas components; and a carbon dioxide direct capture device configured to take in air contained in an ambient environment, and supply the taken-in air to the final treatment device or an upstream side thereof in the carbon-dioxide capture and treatment system.
    Type: Application
    Filed: April 23, 2021
    Publication date: September 28, 2023
    Inventors: Terukazu IHARA, Shinya NISHIYAMA, Kensuke TANI, Hirokazu MATSUDA, Satoru SUZUKI, Koso MATSUDA, Hiroyuki KATAYAMA
  • Publication number: 20230147963
    Abstract: The present invention relates to a formate production method including: a first step of producing a formate by causing a reaction between carbon dioxide and hydrogen in a solution containing a solvent, a catalyst dissolved in the solvent, and a metal salt or an organic salt; and a second step of separating, by a separation membrane, the catalyst from a reaction solution obtained in the first step, in which the catalyst contains at least one metal element selected from the group consisting of metal elements belonging to Group 8, Group 9, and Group 10 of a periodic table.
    Type: Application
    Filed: February 26, 2021
    Publication date: May 11, 2023
    Inventors: Makoto HIRANO, Terukazu IHARA, Hirokazu MATSUDA
  • Publication number: 20230002221
    Abstract: The present invention relates to a hydrogen gas production method, which includes: a first step of concentrating an aqueous solution containing an alkali metal formate; a second step of protonating at least a part of the alkali metal formate by electrodialysis to produce a formic acid; and a third step of decomposing the formic acid to produce a hydrogen gas.
    Type: Application
    Filed: November 18, 2020
    Publication date: January 5, 2023
    Inventors: Hirokazu MATSUDA, Makoto HIRANO
  • Publication number: 20220340420
    Abstract: The present disclosure relates to a hydrogen gas production method including: a first step of generating a mixed gas containing hydrogen and carbon dioxide from a hydrogen storage agent by dehydrogenation reaction using a catalyst in a reactor; a second step of purifying the generated mixed gas to acquire a gas having a high hydrogen concentration; a third step of separating a solution in the reactor into a solution enriched with the catalyst and a permeate using a separation membrane unit; and a fourth step of supplying the solution enriched with the catalyst to the reactor for reusing in the first step.
    Type: Application
    Filed: September 18, 2020
    Publication date: October 27, 2022
    Inventors: Shinya KOTAKE, Hirokazu MATSUDA, Makoto HIRANO, Terukazu IHARA
  • Publication number: 20220177402
    Abstract: The present invention relates to a method for producing a formic acid including, a first step of allowing carbon dioxide and hydrogen to react with each other in a solution containing a solvent and a catalyst dissolved in the solvent and in the presence of an amine insoluble in the solvent, and allowing a generated formic acid to adsorb to the amine, in which the catalyst contains at least one metal element selected from the group consisting of metal elements belonging to Groups 8, 9, and 10 of a periodic table and the amine is an amine immobilized on a solid.
    Type: Application
    Filed: March 2, 2020
    Publication date: June 9, 2022
    Inventors: Hirokazu MATSUDA, Shinya KOTAKE
  • Patent number: 11269118
    Abstract: A sheet used for coating an optical semiconductor element is used for directly or indirectly covering an optical semiconductor element, and includes a white layer containing white particles; and a light diffusion layer containing light-diffusing particles, in this order in a thickness direction.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: March 8, 2022
    Assignee: EPISTAR CORPORATION
    Inventors: Munehisa Mitani, Hirokazu Matsuda, Kazuaki Suzuki
  • Publication number: 20210324750
    Abstract: Provided is a rotor blade configured to be implanted in a disc of a rotating body, the rotor blade including a blade root, wherein in a cross-sectional shape of the blade root, the blade root includes at least one stage of protruding parts protruding toward opposite sides with respect to a direction containing a circumferential component, the protruding parts being configured to lock the blade root to the disc, each of the protruding parts has a contact surface configured to come into contact with the disc and inclined so as to extend toward a center part of the blade root from radially inside to radially outside, and each of the protruding parts has a non-contact surface configured not to come into contact with the disc and inclined so as to extend toward the center part of the blade root from the radially inside to the radially outside.
    Type: Application
    Filed: June 25, 2021
    Publication date: October 21, 2021
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Hirotaka KURASHIMA, Hirokazu MATSUDA, Ryoji TAMAI, Ryozo TANAKA
  • Publication number: 20200116905
    Abstract: A sheet used for coating an optical semiconductor element is used for directly or indirectly covering an optical semiconductor element, and includes a white layer containing white particles; and a light diffusion layer containing light-diffusing particles, in this order in a thickness direction.
    Type: Application
    Filed: August 28, 2017
    Publication date: April 16, 2020
    Applicant: EPISTAR CORPORATION
    Inventors: Munehisa MITANI, Hirokazu MATSUDA, Kazuaki SUZUKI
  • Patent number: 10591459
    Abstract: Provided are a measuring apparatus and method for obtaining a measurement value from a response to a signal applied to a sample, wherein the measuring apparatus includes a first measuring unit that measures a first electric response to a first signal that is input to a first pair of electrodes that can come into contact with a sample, a second measuring unit that measures a second electric response to a second signal that is input to a second pair of electrodes that can come into contact with the sample, the second signal changing its value from a first level to a second level and thereafter maintaining the second level for a certain period of time, as a peak value of a response signal with respect to the change in the second signal, and a control unit that corrects a value indicating the amount of a measuring target component of the sample, the value being obtained from the first electric response, based on the peak value of the response signal.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: March 17, 2020
    Assignee: ARKRAY, Inc.
    Inventors: Kazuo Fukuda, Hirokazu Matsuda, Akiko Okami
  • Patent number: 10561749
    Abstract: Provided is a radioactive labeled compound capable of detecting a secondary mutation of an epidermal growth factor receptor, where the compound is represented by Formula (1) or a pharmaceutically acceptable salt thereof, where R1, R2, and Y are as defined.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: February 18, 2020
    Assignees: Kyoto University, ARKRAY, Inc.
    Inventors: Hideo Saji, Hiroyuki Kimura, Anna Miyazaki, Hirokazu Matsuda, Shuichi Nakanishi
  • Patent number: 10029022
    Abstract: Provided is a radioactive labeled compound capable of detecting a secondary mutation of an epidermal growth factor receptor, where the compound is represented by Formula (1) or a pharmaceutically acceptable salt thereof, where Y, L1, R1 and R2 are as defined.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: July 24, 2018
    Assignees: Kyoto University, ARKRAY, Inc.
    Inventors: Hideo Saji, Hiroyuki Kimura, Hirokazu Matsuda, Shuichi Nakanishi
  • Patent number: 9950083
    Abstract: A peptide that can be used as an imaging probe for GLP-1R is provided. In an embodiment, a polypeptide is represented by the following formula (3); (Sequence ID No. 3) Xaa1-Leu-Ser-Lys-Gln-Met-Glu-Glu-Glu-Ala-Val-Arg- Leu-Phe-Ile-Glu-Trp-Leu-Lys-Asn-Gly-Gly-Pro-Ser- Ser-Gly-Ala-Pro-Pro-Pro-Ser (3) where Xaa1 represents an aspartic acid in which a —Y—X? group binds to an ?-amino group, X? includes a chelating site and a radioactive metal nuclide chelated by the chelating site, the chelating site being diethylenetriaminepentaacetic dianhydride (DTPA) or 1,4,7-triazacyclononnane-N,N?,N?-triacetic acid (NOTA), and Y represents a linker including a group selected from the group consisting of —CH2—(C6H4)—, —NH—C(?S)—, —NH—(CH2)5—C(?O)—, and a combination thereof.
    Type: Grant
    Filed: November 29, 2013
    Date of Patent: April 24, 2018
    Assignees: Kyoto University, ARKRAY, Inc.
    Inventors: Hideo Saji, Nobuya Inagaki, Hiroyuki Kimura, Kentaro Toyoda, Hirokazu Matsuda, Mikako Ioroi, Asami Kon
  • Publication number: 20170152357
    Abstract: An encapsulating sheet formed from an encapsulating composition including: a silicone resin composition containing alkenyl group-containing polysiloxane, a hydrosilyl group-containing polysiloxane, and a hydrosilylation catalyst; and an inorganic filler having a refraction of 1.50 or more and 1.60 or less and an average particle size of 10 ?m or more and 50 ?m or less. In the average composition formula (1) and the average composition formula (2), at least one of R2 and R3 includes a phenyl group. A product produced by reaction of the silicone resin composition is represented by the average composition formula (3) below. R5eSiO(4-e)/2??average composition formula (3): The phenyl group content in R5 of the average composition formula (3) is 30 mol % or more and 55 mol % or less.
    Type: Application
    Filed: August 7, 2015
    Publication date: June 1, 2017
    Applicant: NITTO DENKO CORPORATION
    Inventors: Hirokazu MATSUDA, Ryota MITA, Hiroyuki KATAYAMA