Patents by Inventor Koji HIRONAKA

Koji HIRONAKA 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: 11428669
    Abstract: An object of the present invention is to provide a resonant sensor having excellent sensitivity and selectivity with respect to a component to be detected that is contained at a low concentration in the system. A resonant sensor of the present invention has a receiving layer that contains a polymer having a repeating unit represented by Formula (1). In Formula, R1 represents an alkyl group. A plurality of R1's may be the same as or different from each other. R2 represents a hydrogen atom, an alkyl group, or an aryl group.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: August 30, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Koji Hironaka, Fumihiko Mochizuki, Koji Takaku
  • Patent number: 11407777
    Abstract: An object of the present invention is to provide a metal-organic framework manufacturing method of manufacturing a metal-organic framework having excellent gas adsorbability and durability. A metal-organic framework manufacturing method according to an embodiment of the present invention includes: a step of mixing a metal salt containing a metal atom and a polydentate ligand in the presence of a solvent to manufacture a metal-organic framework, the polydentate ligand contains a compound represented by Formula (1), a content of the compound represented by Formula (1) in the polydentate ligand is 50 mol % or greater with respect to a total molar amount of the polydentate ligand, the solvent contains an organic solvent having a boiling point of 100° C. or higher, and a water content in the solvent is 0 to 90 mass % with respect to a total mass of the solvent.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: August 9, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Koji Hironaka, Masaya Nakayama
  • Publication number: 20220105462
    Abstract: Provided are a compound represented by formula (Ia) below, a polymer obtained by using the compound as a synthesis raw material, a gas separation membrane having a gas separation layer including the polymer, and a gas separation module and a gas separation apparatus that have the gas separation membrane. RA and RB represent a hydrogen atom, an alkyl group, or a halogen atom. LA represents —CF2—, —CF(CF3)—, —C(?O)—, —CH2—, —CH(CH3)—, or —CH(CF3)— or a group obtained by combining the foregoing groups. LA has 4 or less carbon atoms.
    Type: Application
    Filed: December 17, 2021
    Publication date: April 7, 2022
    Applicant: FUJIFILM Corporation
    Inventor: Koji HIRONAKA
  • Publication number: 20210394113
    Abstract: Provided are a polymer having a constituent component represented by formula (I) below, a method for producing the polymer, a diamine compound suitable as a raw material for the polymer, a gas separation membrane haying a gas separation layer including the polymer, and a gas separation module and a gas separation apparatus that have the gas separation membrane. In the formula (I), RA, RB, and RC represent a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or a halogen atom. Herein, at least one of RA, RB, or RC represents an alkyl group having 1 to 4 carbon atoms or a halogen atom. The alkyl group having 1 to 4 carbon atoms is not trifluoromethyl and ** represents linking sites.
    Type: Application
    Filed: August 25, 2021
    Publication date: December 23, 2021
    Applicant: FUJIFILM Corporation
    Inventor: Koji HIRONAKA
  • Publication number: 20210002314
    Abstract: An object of the present invention is to provide a metal-organic framework manufacturing method of manufacturing a metal-organic framework having excellent gas adsorbability and durability. A metal-organic framework manufacturing method according to an embodiment of the present invention includes: a step of mixing a metal salt containing a metal atom and a polydentate ligand in the presence of a solvent to manufacture a metal-organic framework, the polydentate ligand contains a compound represented by Formula (1), a content of the compound represented by Formula (1) in the polydentate ligand is 50 mol % or greater with respect to a total molar amount of the polydentate ligand, the solvent contains an organic solvent having a boiling point of 100° C. or higher, and a water content in the solvent is 0 to 90 mass % with respect to a total mass of the solvent.
    Type: Application
    Filed: September 15, 2020
    Publication date: January 7, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Koji HIRONAKA, Masaya NAKAYAMA
  • Patent number: 10717706
    Abstract: An m-phenylenediamine compound is represented by the following General Formula (I), (II), or (III). R1 represents a hydrogen atom, an alkyl group, a cycloalkyl group, or an aryl group. R2, R3, and R4 each represent an alkyl group. R5 and R6 each represent an alkyl group. X represents a chlorine atom or a bromine atom. A method for producing a polymer compound includes obtaining a polymer compound by using the m-phenylenediamine compound represented by General Formula (I) as a raw material.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: July 21, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Koji Hironaka, Shohei Kataoka, Masato Senoo, Tetsu Kitamura, Sotaro Inomata, Satoshi Sano, Masatoshi Yumoto
  • Publication number: 20200158707
    Abstract: The present invention provides a sensor having excellent sensitivity and selectivity with respect to a ketone-based compound. This sensor according to the present invention has a receiving layer including a polymer having a repeating unit represented by Formula (1), and detects a ketone-based compound.
    Type: Application
    Filed: January 17, 2020
    Publication date: May 21, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Koji HIRONAKA, Fumihiko MOCHIZUKI, Koji TAKAKU
  • Publication number: 20200150089
    Abstract: An object of the present invention is to provide a resonant sensor having excellent sensitivity and selectivity with respect to a component to be detected that is contained at a low concentration in the system. A resonant sensor of the present invention has a receiving layer that contains a polymer having a repeating unit represented by Formula (1). In Formula, R1 represents an alkyl group. A plurality of R1's may be the same as or different from each other. R2 represents a hydrogen atom, an alkyl group, or an aryl group.
    Type: Application
    Filed: January 17, 2020
    Publication date: May 14, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Koji HIRONAKA, Fumihiko MOCHIZUKI, Koji TAKAKU
  • Patent number: 10543455
    Abstract: A gas separation membrane has a gas separation layer containing a crosslinked cellulose resin. The crosslinked cellulose resin has a particular linking structure in a crosslinked structure. The gas separation layer contains an organic solvent in a particular amount.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: January 28, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Satoshi Sano, Koji Hironaka, Keisuke Kodama
  • Patent number: 10537848
    Abstract: A gas separation asymmetric membrane includes a porous layer having gas permeability; and a compact layer having gas separation capability which is formed on the porous layer in which the gas separation asymmetric membrane is formed using a polyimide compound which has a structural unit represented by Formula (I) and at least one structural unit selected from a structural unit represented by Formula (II) or a structural unit represented by Formula (III) and in which the viscosity, at 25° C., of a solution obtained by dissolving the polyimide compound in N-methylpyrrolidone at a concentration of 5% by mass is in a range of 2.2 to 22.0 mPa·sec, in the formula, X1 represents a group having a structure represented by Formula (I-a) or (I-b).
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: January 21, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Keisuke Kodama, Satoshi Sano, Koji Hironaka
  • Patent number: 10537859
    Abstract: A gas separation membrane includes a gas separation layer containing a polyimide compound having a repeating unit represented by Formula (I), in Formula (I), RI represents a hydrogen atom, an alkyl group, or a halogen atom, Xa represents a sulfamoyl group, an alkoxysulfonyl group, a carboxy group, a hydroxy group, an acyloxy group, or a halogen atom, and R represents a mother nucleus having a specific structure.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: January 21, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Koji Hironaka, Satoshi Sano, Yusuke Iizuka, Sotaro Inomata, Keisuke Kodama, Tetsu Kitamura
  • Patent number: 10507437
    Abstract: A gas separation membrane has a gas separation layer containing a cellulose resin, and an organopolysiloxane compound layer disposed on the gas separation layer in which Si ratio of the organopolysiloxane compound layer after immersion in chloroform to the organopolysiloxane compound layer before immersion in chloroform, the Si ratio being calculated by Mathematical expression (I), is 0.6 to 1.0.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: December 17, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Satoshi Sano, Koji Hironaka, Keisuke Kodama
  • Patent number: 10478786
    Abstract: A gas separation membrane has a gas separation layer containing a poly(benzoxazole-imide) compound in which the poly(benzoxazole-imide) compound having structural units represented by General formulae (I) and (II), or structural units represented by General formulae (I), (II) and (III) satisfies a specific molar quantity condition. In the formulae, X and Y each represent a single bond or a specific divalent linking group; L represents a specific divalent linking group including a phenylene group; and R represents a specific group. A gas separation module and a gas separation method use the gas separation membrane. A gas separation apparatus includes the gas separation module.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: November 19, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Koji Hironaka, Keisuke Kodama, Satoshi Sano
  • Publication number: 20190177270
    Abstract: An m-phenylenediamine compound is represented by the following General Formula (I), (II), or (III). R1 represents a hydrogen atom, an alkyl group, a cycloalkyl group, or an aryl group. R2, R3, and R4 each represent an alkyl group. R5 and R6 each represent an alkyl group. X represents a chlorine atom or a bromine atom. A method for producing a polymer compound includes obtaining a polymer compound by using the m-phenylenediamine compound represented by General Formula (I) as a raw material.
    Type: Application
    Filed: February 13, 2019
    Publication date: June 13, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Koji HIRONAKA, Shohei KATAOKA, Masato SENOO, Tetsu KITAMURA, Sotaro INOMATA, Satoshi SANO, Masatoshi YUMOTO
  • Patent number: 10040035
    Abstract: Provided are a gas separation membrane which includes a gas separation layer formed to include a polyimide compound and in which the polyimide compound includes a repeating unit represented by the following Formula (I), a gas separation module, a gas separation device, and a gas separation method using the same. In Formula (I), R represents a group having a specific structure. R3 represents a specific substituent group. A1 to A3 represent a hydrogen atom or a specific substituent group, but all of A1 to A3 do not represent a hydrogen atom at the same time. In this case, at least one of R3, A1, A2, and A3 represents a specific polar group.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: August 7, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Ryota Usami, Koji Hironaka, Satoshi Sano, Takeshi Narita
  • Publication number: 20180085716
    Abstract: A gas separation membrane includes a gas separation layer containing a polyimide compound having a repeating unit represented by Formula (I), in Formula (I), RI represents a hydrogen atom, an alkyl group, or a halogen atom, Xa represents a sulfamoyl group, an alkoxysulfonyl group, a carboxy group, a hydroxy group, an acyloxy group, or a halogen atom, and R represents a mother nucleus having a specific structure.
    Type: Application
    Filed: November 8, 2017
    Publication date: March 29, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Koji HIRONAKA, Satoshi SANO, Yusuke IIZUKA, Sotaro INOMATA, Keisuke KODAMA, Tetsu KITAMURA
  • Patent number: 9889412
    Abstract: There is provided a composite gas separation membrane including a gas separation layer, which is formed to include a polyimide resin, on a support layer having gas permeability, in which the polyimide resin includes a repeating unit represented by the following Formula (I) in Formula (I), X represents a group having a specific structure represented by any of the following Formulae (I-a) to (I-h), in Formula (I), Y1 represents a group represented by the following Formula (II-a) or (II-b), and in Formulae (II-a) and (II-b), R3 represents a substituent group, A represents a dissociable group, p represents 0 or 1, p1 represents an integer of 0 to 2, and p2 represents an integer of 2 or greater.
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: February 13, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Yuusuke Iizuka, Satoshi Sano, Koji Hironaka, Takeshi Narita
  • Publication number: 20180021741
    Abstract: A gas separation membrane has a gas separation layer containing a cellulose resin, and an organopolysiloxane compound layer disposed on the gas separation layer in which Si ratio of the organopolysiloxane compound layer after immersion in chloroform to the organopolysiloxane compound layer before immersion in chloroform, the Si ratio being calculated by Mathematical expression (I), is 0.6 to 1.0.
    Type: Application
    Filed: August 17, 2017
    Publication date: January 25, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Satoshi SANO, Koji HIRONAKA, Keisuke KODAMA
  • Publication number: 20180021740
    Abstract: A gas separation membrane has a gas separation layer containing a poly(benzoxazole-imide) compound in which the poly(benzoxazole-imide) compound having structural units represented by General formulae (I) and (II), or structural units represented by General formulae (I), (II) and (III) satisfies a specific molar quantity condition. In the formulae, X and Y each represent a single bond or a specific divalent linking group; L represents a specific divalent linking group including a phenylene group; and R represents a specific group. A gas separation module and a gas separation method use the gas separation membrane. A gas separation apparatus includes the gas separation module.
    Type: Application
    Filed: August 17, 2017
    Publication date: January 25, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Koji HIRONAKA, Keisuke KODAMA, Satoshi SANO
  • Publication number: 20170333836
    Abstract: A gas separation asymmetric membrane includes a porous layer having gas permeability; and a compact layer having gas separation capability which is formed on the porous layer in which the gas separation asymmetric membrane is formed using a polyimide compound which has a structural unit represented by Formula (I) and at least one structural unit selected from a structural unit represented by Formula (II) or a structural unit represented by Formula (III) and in which the viscosity, at 25° C., of a solution obtained by dissolving the polyimide compound in N-methylpyrrolidone at a concentration of 5% by mass is in a range of 2.2 to 22.0 mPa·sec, in the formula, X1 represents a group having a structure represented by Formula (I-a) or (I-b).
    Type: Application
    Filed: August 7, 2017
    Publication date: November 23, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Keisuke KODAMA, Satoshi SANO, Koji HIRONAKA