Patents by Inventor Masanobu Matsubara
Masanobu Matsubara 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).
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Patent number: 11939693Abstract: There is provided a surface-treated steel sheet (1) comprising: a tin-plated steel sheet (10) obtained by tin-plating a steel sheet (11); a phosphate compound layer (20) containing tin phosphate formed on the tin-plated steel sheet (10); and an aluminum-oxygen compound layer (30) on the phosphate compound layer (20), a main constituent of the aluminum-oxygen compound layer (30) being an aluminum-oxygen compound; wherein, when the 3d5/2 spectrum of tin in the aluminum-oxygen compound layer (30) is determined using an X-ray photoelectron spectroscopy, the ratio of the integration value of the profile derived from tin oxide to the integration value of the profile derived from tin phosphate (tin oxide/tin phosphate) is 6.9 or more.Type: GrantFiled: June 18, 2021Date of Patent: March 26, 2024Assignee: TOYO KOHAN CO., LTD.Inventors: Kunihiro Yoshimura, Masanobu Matsubara, Marie Sasaki, Akihiro Yoshida, Kenji Yanada, Munemitsu Hirotsu
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Patent number: 11753737Abstract: There is provided a surface-treated steel sheet (1) comprising: a tin-plated steel sheet (10) obtained by tin-plating a steel sheet (11); a phosphate compound layer (20) containing tin phosphate formed on the tin-plated steel sheet (10); and an aluminum-oxygen compound layer (30) formed on the phosphate compound layer (20), a main constituent of the aluminum-oxygen compound layer being an aluminum-oxygen compound.Type: GrantFiled: June 17, 2021Date of Patent: September 12, 2023Assignee: TOYO KOHAN CO., LTD.Inventors: Kunihiro Yoshimura, Masanobu Matsubara, Marie Sasaki, Akihiro Yoshida, Kenji Yanada, Munemitsu Hirotsu
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Publication number: 20210310143Abstract: There is provided a surface-treated steel sheet (1) comprising: a tin-plated steel sheet (10) obtained by tin-plating a steel sheet (11); a phosphate compound layer (20) containing tin phosphate formed on the tin-plated steel sheet (10); and an aluminum-oxygen compound layer (30) formed on the phosphate compound layer (20), a main constituent of the aluminum-oxygen compound layer being an aluminum-oxygen compound.Type: ApplicationFiled: June 17, 2021Publication date: October 7, 2021Inventors: Kunihiro YOSHIMURA, Masanobu MATSUBARA, Marie SASAKI, Akihiro YOSHIDA, Kenji YANADA, Munemitsu HIROTSU
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Publication number: 20210310146Abstract: There is provided a surface-treated steel sheet (1) comprising: a tin-plated steel sheet (10) obtained by tin-plating a steel sheet (11); a phosphate compound layer (20) containing tin phosphate formed on the tin-plated steel sheet (10); and an aluminum-oxygen compound layer (30) on the phosphate compound layer (20), a main constituent of the aluminum-oxygen compound layer (30) being an aluminum-oxygen compound; wherein, when the 3 d5/2 spectrum of tin in the aluminum-oxygen compound layer (30) is determined using an X-ray photoelectron spectroscopy, the ratio of the integration value of the profile derived from tin oxide to the integration value of the profile derived from tin phosphate (tin oxide/tin phosphate) is 6.9 or more.Type: ApplicationFiled: June 18, 2021Publication date: October 7, 2021Inventors: Kunihiro YOSHIMURA, Masanobu MATSUBARA, Marie SASAKI, Akihiro YOSHIDA, Kenji YANADA, Munemitsu HIROTSU
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AROMATIC LIQUID CRYSTAL POLYESTER, AROMATIC LIQUID CRYSTAL POLYESTER COMPOSITION, AND MOLDED ARTICLE
Publication number: 20210024687Abstract: An aromatic liquid crystal polyester containing repeating structural units represented by formulas (A1), (B), (C) and (D) shown below. —O—Ar1—CO—??(A1) —CO—Ar2—CO—??(B) —O—Ar3—O—??(C) —O—Ar4—O—??(D) (In the formulas, Ar1 represents a 2,6-naphthalene group, Art represents at least one group selected from the group consisting of a 2,6-naphthalenediyl group, 1,4-phe vlene group, 1,3-phenvIene group and 4,4?-biphenylene group, Ar3 represents at least one group selected from the group consisting of a 2, mphthalenediyl group, 1,6-naphthalenediyl group and 1,5-naphthalenediyl group, Ar4 represents at least one group selected from the group consisting of a 2,6-naphthalenediyl group, 1,4-phenylene group, 1,3-phenylene group and 4,4?-hiphenylene group, and each of the groups represented by Ar1, Ar3 or Ar4 may have a halogen atom, an alkyl group of 1 to 10 carbon atoms Of alt aryl group of 6 to 20 carbon atoms as a substituent.Type: ApplicationFiled: March 25, 2019Publication date: January 28, 2021Inventors: Shinji OHTOMO, Masanobu MATSUBARA -
Patent number: 10899888Abstract: A thermoplastic aromatic polysulfone is obtained by polymerizing a dihalogeno compound (A) and a dihydric phenol (B). The ratio (Mw/Mn) between a number average molecular weight (Mn) and a weight average molecular weight (Mw) is at least 1.91, and the number average molecular weight (Mn) is at least 6,000 and less than 14,000, In (A) and (B), each of X and X? independently represents a halogen atom; each of R1, R2, R3 and R4 independently represents an alkyl group having 1 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms; each of n1, n2, n3 and n4 independently represents an integer of 0 to 4; and when n1, n2, n3 or n4 is an integer of 2 to 4, a plurality of R1, R2, R3 or R4 groups may be the same or different from each other.Type: GrantFiled: February 2, 2017Date of Patent: January 26, 2021Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Shinji Ohtomo, Masanobu Matsubara
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Patent number: 10851207Abstract: A thermoplastic aromatic polysulfone is obtained by polymerizing a dihalogeno compound (A) and a dihydric phenol (B). The ratio (Mw/Mn) between a number average molecular weight (Mn) and a weight average molecular weight (Mw) is at least 1.80 and less than 1.90, and the number average molecular weight (Mn) is at least 6,000 and less than 14,000. In (A) and (B), each of X and X? independently represents a halogen atom; each of R1, R2, R3 and R4 independently represents an alkyl group having 1 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms; each of n1, n2, n3 and n4 independently represents an integer of 0 to 4; and when n1, n2, n3 or n4 is an integer of 2 to 4, a plurality of R1, R2, R3 or R4 groups may be the same or different from each other.Type: GrantFiled: February 2, 2017Date of Patent: December 1, 2020Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Shinji Ohtomo, Masanobu Matsubara
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Patent number: 10752791Abstract: The present invention relates to a resin solution composition containing at least one resin selected from the group consisting of aromatic polysulfones, aromatic polyamideimides, aromatic polyetherimides, aromatic polyimides and aromatic polyamic acids, a sulfone-based solvent, and an ester-based solvent, wherein in this resin solution composition, an amount of the resin, relative to the total mass of the resin solution composition, is at least 10% by mass but not more than 50% by mass, and an amount of the ester-based solvent, relative to the total amount of the sulfone-based solvent and the ester-based solvent, is at least 15% by mass but not more than 85% by mass.Type: GrantFiled: October 7, 2016Date of Patent: August 25, 2020Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kazuyuki Ito, Masanobu Matsubara
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Patent number: 10717884Abstract: The present invention relates to a resin solution composition containing at least one resin selected from the group consisting of aromatic polysulfones, aromatic polyamideimides, aromatic polyetherimides, aromatic polyimides and aromatic polyamic acids, a sulfone-based solvent, and an ester-based solvent, wherein in this resin solution composition, an amount of the resin, relative to the total mass of the resin solution composition, is at least 10% by mass but not more than 50% by mass, and an amount of the ester-based solvent, relative to the total amount of the sulfone-based solvent and the ester-based solvent, is at least 15% by mass but not more than 85% by mass.Type: GrantFiled: October 7, 2016Date of Patent: July 21, 2020Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kazuyuki Ito, Masanobu Matsubara
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Patent number: 10400069Abstract: An aromatic polysulfone produced by polymerizing a dihalogeno compound represented by general formula (A) shown below, and a dihydric phenol represented by general formula (B) shown below, the aromatic polysulfone having a value (Mw/Mn) for the ratio between the weight average molecular weight (Mw) and the number average molecular weight (Mn) of less than 1.8, and having a number average molecular weight (Mn) of at least 6,000 but less than 14,000. (In the formula, each of X and X? independently represents a halogen atom; each of R1, R2, R3 and R4 independently represents an alkyl group having a carbon number of 1 to 4 or an alkoxy group having a carbon number of 1 to 4; each of n1, n2, n3 and n4 independently represents an integer of 0 to 4; and when n1, n2, n3 or n4 is an integer of 2 to 4, the plurality of R1, R2, R3 or R4 groups may be the same as, or different from, each other).Type: GrantFiled: March 15, 2016Date of Patent: September 3, 2019Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Shinji Ohtomo, Masanobu Matsubara
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Patent number: 10309028Abstract: Provided is a method for producing a surface-treated steel sheet including the step of forming a layer mainly composed of an oxygen compound containing Al onto a tin-plated steel sheet by conducting cathode electrolytic treatment to the tin-plated steel sheet using an electrolytic treatment solution containing Al ions and nitrate ions. For the electrolytic treatment solution, an electrolytic treatment solution not containing F ions and where the amount of nitrate ions contained is 11,500 to 25,000 ppm by weight is used.Type: GrantFiled: August 20, 2014Date of Patent: June 4, 2019Assignees: TOYO KOHAN CO., LTD., TOYO SEIKAN CO., LTD.Inventors: Kunihiro Yoshimura, Masanobu Matsubara, Marie Sasaki, Masahiko Matsukawa, Keisuke Yoshida, Wataru Kurokawa, Munemitsu Hirotsu, Mitsuhide Aihara
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Patent number: 10270017Abstract: The present invention relates to a laminate film including a resin layer having a thickness of from 10 ?m to 125 ?m; and a toner layer formed on one surface of the resin layer, in which the resin layer is formed from a resin material having a glass transition temperature of 130° C. or higher, the toner layer has a plurality of voids, and when a value defined by the following formula (S1) using the void area ratio, which represents the ratio of the area of exposed voids, for the respective faces of the surface of the toner layer and a cross section of the toner layer, is designated as porosity, and when two void area ratios respectively corresponding to the cross sections of the toner layer in two orthogonally intersecting directions are used as the void area ratios of the cross sections of the toner layer, the porosities respectively calculated according to the two void area ratios are both from 0.01% to 0.40%.Type: GrantFiled: April 12, 2017Date of Patent: April 23, 2019Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Shohei Azami, Masanobu Matsubara
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Publication number: 20190071542Abstract: A thermoplastic aromatic polysulfone is obtained by polymerizing a dihalogeno compound (A) and a dihydric phenol (B). The ratio (Mw/Mn) between a number average molecular weight (Mn) and a weight average molecular weight (Mw) is at least 1.91, and the number average molecular weight (Mn) is at least 6,000 and less than 14,000, In (A) and (B), each of X and X? independently represents a halogen atom; each of R1, R2, R3 and R4 independently represents an alkyl group having 1 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms; each of n1, n2, n3 and n4 independently represents an integer of 0 to 4; and when n1, n2, n3 or n4 is an integer of 2 to 4, a plurality of R1, R2, R3 or R4 groups may be the same or different from each other.Type: ApplicationFiled: February 2, 2017Publication date: March 7, 2019Inventors: Shinji OHTOMO, Masanobu MATSUBARA
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Publication number: 20190040203Abstract: A thermoplastic aromatic polysulfone is obtained by polymerizing a dihalogeno compound (A) and a dihydric phenol (B). The ratio (Mw/Mn) between a number average molecular weight (Mn) and a weight average molecular weight (Mw) is at least 1.80 and less than 1.90, and the number average molecular weight (Mn) is at least 6,000 and less than 14,000. In (A) and (B), each of X and X? independently represents a halogen atom; each of R1, R2, R3 and R4 independently represents an alkyl group having 1 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms; each of n1, n2, n3 and n4 independently represents an integer of 0 to 4; and when n1, n2, n3 or n4 is an integer of 2 to 4, a plurality of R1, R2, R3 or R4 groups may be the same or different from each other.Type: ApplicationFiled: February 2, 2017Publication date: February 7, 2019Inventors: Shinji OHTOMO, Masanobu MATSUBARA
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Publication number: 20180298208Abstract: The present invention relates to a resin solution composition containing at least one resin selected from the group consisting of aromatic polysulfones, aromatic polyamideimides, aromatic polyetherimides, aromatic polyimides and aromatic polyamic acids, a sulfone-based solvent, and an ester-based solvent, wherein in this resin solution composition, an amount of the resin, relative to the total mass of the resin solution composition, is at least 10% by mass but not more than 50% by mass, and an amount of the ester-based solvent, relative to the total amount of the sulfone-based solvent and the ester-based solvent, is at least 15% by mass but not more than 85% by mass.Type: ApplicationFiled: October 7, 2016Publication date: October 18, 2018Inventors: Kazuyuki ITO, Masanobu MATSUBARA
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Publication number: 20180057636Abstract: An aromatic polysulfone produced by polymerizing a dihalogeno compound represented by general formula (A) shown below, and a dihydric phenol represented by general formula (B) shown below, the aromatic polysulfone having a value (Mw/Mn) for the ratio between the weight average molecular weight (Mw) and the number average molecular weight (Mn) of less than 1.8, and having a number average molecular weight (Mn) of at least 6,000 but less than 14,000. (In the formula, each of X and X? independently represents a halogen atom; each of R1, R2, R3 and R4 independently represents an alkyl group having a carbon number of 1 to 4 or an alkoxy group having a carbon number of 1 to 4; each of n1, n2, n3 and n4 independently represents an integer of 0 to 4; and when n1, n2, n3 or n4 is an integer of 2 to 4, the plurality of R1, R2, R3 or R4 groups may be the same as, or different from, each other.) Vertical axis: 5% weight reduction temperature (° C.Type: ApplicationFiled: March 15, 2016Publication date: March 1, 2018Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Shinji OHTOMO, Masanobu MATSUBARA
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Publication number: 20180016693Abstract: There is provided a surface-treated steel sheet (1) comprising: a tin-plated steel sheet (10) obtained by tin-plating a steel sheet (11); a phosphate compound layer (20) containing tin phosphate formed on the tin-plated steel sheet (10); and an aluminum-oxygen compound layer (30) formed on the phosphate compound layer (20), a main constituent of the aluminum-oxygen compound layer being an aluminum-oxygen compound.Type: ApplicationFiled: December 24, 2015Publication date: January 18, 2018Inventors: Kunihiro YOSHIMURA, Masanobu MATSUBARA, Marie SASAKI, Akihiro YOSHIDA, Kenji YANADA, Munemitsu HIROTSU
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Publication number: 20180010259Abstract: There is provided a surface-treated steel sheet (1) comprising: a tin-plated steel sheet (10) obtained by tin-plating a steel sheet (11); a phosphate compound layer (20) containing tin phosphate formed on the tin-plated steel sheet (10); and an aluminum-oxygen compound layer (30) on the phosphate compound layer (20), a main constituent of the aluminum-oxygen compound layer (30) being an aluminum-oxygen compound; wherein, when the 3d5/2 spectrum of tin in the aluminum-oxygen compound layer (30) is determined using an X-ray photoelectron spectroscopy, the ratio of the integration value of the profile derived from tin oxide to the integration value of the profile derived from tin phosphate (tin oxide/tin phosphate) is 6.9 or more.Type: ApplicationFiled: December 24, 2015Publication date: January 11, 2018Inventors: Kunihiro YOSHIMURA, Masanobu MATSUBARA, Marie SASAKI, Akihiro YOSHIDA, Kenji YANADA, Munemitsu HIROTSU
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Publication number: 20170301840Abstract: The present invention relates to a laminate film including a resin layer having a thickness of from 10 ?m to 125 ?m; and a toner layer formed on one surface of the resin layer, in which the resin layer is formed from a resin material having a glass transition temperature of 130° C. or higher, the toner layer has a plurality of voids, and when a value defined by the following formula (S1) using the void area ratio, which represents the ratio of the area of exposed voids, for the respective faces of the surface of the toner layer and a cross section of the toner layer, is designated as porosity, and when two void area ratios respectively corresponding to the cross sections of the toner layer in two orthogonally intersecting directions are used as the void area ratios of the cross sections of the toner layer, the porosities respectively calculated according to the two void area ratios are both from 0.01% to 0.40%.Type: ApplicationFiled: April 12, 2017Publication date: October 19, 2017Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Shohei AZAMI, Masanobu MATSUBARA
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Publication number: 20160265134Abstract: Provided is a method for producing a surface-treated steel sheet including the step of forming a layer mainly composed of an oxygen compound containing Al onto a tin-plated steel sheet by conducting cathode electrolytic treatment to the tin-plated steel sheet using an electrolytic treatment solution containing Al ions and nitrate ions. For the electrolytic treatment solution, an electrolytic treatment solution not containing F ions and where the amount of nitrate ions contained is 11,500 to 25,000 ppm by weight is used.Type: ApplicationFiled: August 20, 2014Publication date: September 15, 2016Inventors: Kunihiro YOSHIMURA, Masanobu MATSUBARA, Marie SASAKI, Masahiko MATSUKAWA, Keisuke YOSHIDA, Wataru KUROKAWA, Munemitsu HIROTSU, Mitsuhide AIHARA