Patents by Inventor Masanori Sueoka
Masanori Sueoka 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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Publication number: 20220403587Abstract: [Problem] To provide a sizing-agent-coated carbon fiber bundle in which, even when the sizing-agent-coated carbon fiber bundle has superior handling properties, the sizing agent on the sizing-agent-coated carbon fiber bundle exhibits excellent solubility in water and the adhesion amount of remaining sizing agent is reduced. [Solution] A sizing-agent-coated carbon fiber bundle obtained by applying polyethylene glycol and/or a surfactant to a carbon fiber bundle as a sizing agent, wherein all of the following conditions (i)-(iii) are satisfied. (i) The adhesion amount of the sizing agent is 0.15-0.80 parts by mass (inclusive) per 100 mass parts of the sizing-agent-coated carbon fiber bundle 100. (ii) The dry F-F friction coefficient is 0.39 or less. (iii) The adhesion amount of the sizing agent after washing for 50 seconds under the conditions disclosed in the specification is 0.12 parts by mass or less per 100 parts by mass of the sizing-agent-coated carbon fiber bundle 100.Type: ApplicationFiled: January 19, 2021Publication date: December 22, 2022Applicant: TORAY INDUSTRIES, INC.Inventors: Takayuki YOMO, Misato TAKENAKA, Haruki OKUDA, Masanori SUEOKA, Yoshimasa SUZUKI
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Patent number: 10751980Abstract: A laminated film includes, at least on one side thereof, a layer containing a hardening resin, having a total thickness of 1 to 100 ?m, a light transmittance of 70% or more at a wavelength of 400 nm, a Young's modulus of 5 GPa or more when applying a nanoindenter to make a 1 ?m depression in the thickness direction into the surface of the hardening layer, and undergoing a rate of deformation of 500 ppm or less after applying a stress of 0.5 MPa for 30 minutes.Type: GrantFiled: June 14, 2017Date of Patent: August 25, 2020Assignee: Toray Industries, Inc.Inventors: Atsushi Sawamoto, Masanori Sueoka, Kazuma Matsui, Kohei Sato, Akimitsu Tsukuda, Junji Michizoe, Do Kyun Kim
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Publication number: 20190217587Abstract: A laminated film includes, at least on one side thereof, a layer containing a hardening resin, having a total thickness of 1 to 100 ?m, a light transmittance of 70% or more at a wavelength of 400 nm, a Young's modulus of 5 GPa or more when applying a nanoindenter to make a 1 ?m depression in the thickness direction into the surface of the hardening layer, and undergoing a rate of deformation of 500 ppm or less after applying a stress of 0.5 MPa for 30 minutes.Type: ApplicationFiled: June 14, 2017Publication date: July 18, 2019Inventors: Atsushi Sawamoto, Masanori Sueoka, Kazuma Matsui, Kohei Sato, Akimitsu Tsukuda, Junji Michizoe, Do Kyun Kim
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Publication number: 20160046774Abstract: A film is high in water resistance and degradability and formed mainly of biodegradable resin. The film includes a thermoplastic resin (A), and a filler (B) in an amount of 1 to 70 mass % of the total mass, i.e. 100 mass %, of the film, and having a porosity of 80% or less, a tear strength of 200 mN or less in a direction, and a tensile strength of less than 15 MPa in a direction.Type: ApplicationFiled: March 20, 2014Publication date: February 18, 2016Inventors: Shigeru Aoyama, Gouhei Yamamura, Takahiro Motoshiromizu, Masayuki Hirota, Risa Hamasaki, Masanori Sueoka
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Patent number: 8927632Abstract: A polylactic acid based film includes a composition containing a polylactic acid based resin (A), a thermoplastic resin other than polylactic acid based resin (B), and a compound treated with a surface treatment agent as filler (C), the polylactic acid based resin containing a crystalline polylactic acid based resin and an amorphous polylactic acid based resin, and resin (A) accounting for 10 to 95 mass % and resin (B) accounting for 5 to 90 mass % of a combined total of 100 mass % of resin (A) and resin (B), and filler (C) accounting for 10 to 400 parts by mass per a combined total of 100 parts by mass of resin (A) and resin (B).Type: GrantFiled: January 24, 2012Date of Patent: January 6, 2015Assignee: Toray Industries, Inc.Inventors: Gouhei Yamamura, Jun Sakamoto, Masanori Sueoka, Masayuki Hirota
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Publication number: 20130331493Abstract: A polylactic acid based film includes a composition containing a polylactic acid based resin (A), a thermoplastic resin other than polylactic acid based resin (B), and a compound treated with a surface treatment agent as filler (C), the polylactic acid based resin containing a crystalline polylactic acid based resin and an amorphous polylactic acid based resin, and resin (A) accounting for 10 to 95 mass % and resin (B) accounting for 5 to 90 mass % of a combined total of 100 mass % of resin (A) and resin (B), and filler (C) accounting for 10 to 400 parts by mass per a combined total of 100 parts by mass of resin (A) and resin (B).Type: ApplicationFiled: January 24, 2012Publication date: December 12, 2013Applicant: Toray Industries, Inc.Inventors: Gouhei Yamamura, Jun Sakamoto, Masanori Sueoka, Masayuki Hirota
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Publication number: 20130137788Abstract: The invention provides a porous film including a polylactic acid based resin (A), a thermoplastic resin (B) that is not a polylactic acid based resin, and a filler (C), wherein resin (A) and resin (B) account for 10 to 95 mass % and 5 to 90 mass %, respectively, of the sum total 100 mass % of resin (A) and resin (B), while the filler (C) accounts for 1 to 400 parts by mass of the sum total 100 parts by mass of resin (A) and resin (B), with the porosity being 1 to 80%. The present invention provides a polylactic acid based porous film that has high flexibility, moisture permeability, heat resistance, and bleed-out resistance.Type: ApplicationFiled: August 10, 2011Publication date: May 30, 2013Inventors: Gouhei Yamamura, Jun Sakamoto, Masanori Sueoka, Hiroshi Shinnumadate
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Patent number: 7866487Abstract: The problem addressed by this invention is to provide an aromatic polyamide porous film excellent in the capability of being thinned and capable of easily exhibiting stable porosity properties even if it is used for a long period of time at high temperature. This invention can be achieved by an aromatic polyamide porous film that contains an aromatic polyamide as a main component and is such that when an atomic force microscope is used to measure a range of S ?m2 at least on one surface, the sectional area S(10) ?m2 obtained at a depth of 10 nm from the surface and the sectional area S(20) ?m2 obtained at a depth of 20 nm from the surface satisfy the following formulae simultaneously. 0.01?S(10)/S?0.Type: GrantFiled: November 29, 2005Date of Patent: January 11, 2011Assignee: Toray Industries, Inc.Inventors: Masanori Sueoka, Kenta Nishihara, Akimitsu Tsukuda
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Patent number: 7531252Abstract: A film and a magnetic-recording medium using the film, where the heat shrinkage ratio in the transverse direction of the film subjected to heat treatment under no tension for 30 min. at 180° C. is from 1.0 to 2.5%, and where the film satisfies the following equations (1)-(4) simultaneously, with ?MD (×10?6/° C.) and ?TD (×10?6/° C.) being coefficient of thermal expansion in the longitudinal and the transverse direction, respectively, and ?MD (×10?6/% RH) and?TD (×10?6/% RH) being coefficient of hygroscopic expansion in the longitudinal and the transverse direction, respectively. In the film, by controlling the dimensional changes by temperature and humidity within specific ranges, it becomes possible to control the dimensional change and the difference in dimensional changes between the longitudinal and the transverse direction of the film used as a magnetic-recording medium to be extremely small. ?10??MD?10 (1), ?MD?10??TD??MD?3 (2), ?10??MD?10 (3), ?MD?10??TD??MD?3 (4).Type: GrantFiled: November 11, 2004Date of Patent: May 12, 2009Assignee: Toray Industries, Inc.Inventors: Masanori Sueoka, Akimitsu Tsukuda
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Publication number: 20080113177Abstract: The problem addressed by this invention is to provide an aromatic polyamide porous film excellent in the capability of being thinned and capable of easily exhibiting stable porosity properties even if it is used for a long period of time at high temperature. This invention can be achieved by an aromatic polyamide porous film that contains an aromatic polyamide as a main component and is such that when an atomic force microscope is used to measure a range of S ?m2 at least on one surface, the sectional area S(10) ?m2 obtained at a depth of 10 nm from the surface and the sectional area S(20) ?m2 obtained at a depth of 20 nm from the surface satisfy the following formulae simultaneously. 0.01?S(10)/S?0.Type: ApplicationFiled: November 29, 2005Publication date: May 15, 2008Applicant: TORAY INDUSTRIES, INC.Inventors: Masanori Sueoka, Kenta Nishihara, Akimitsu Tsukuda
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Publication number: 20070082232Abstract: A film and a magnetic-recording medium using the film, where the heat shrinkage ratio in the transverse direction of the film subjected to heat treatment under no tension for 30 min. at 180° C. is from 1.0 to 2.5%, and where the film satisfies the following equations (1)-(4) simultaneously, with ?MD (×10?6/° C.) and ?TD (×10?6/° C.) being coefficient of thermal expansion in the longitudinal and the transverse direction, respectively, and ?MD (×10?6/% RH) and?TD (×10?6/% RH) being coefficient of hygroscopic expansion in the longitudinal and the transverse direction, respectively. In the film, by controlling the dimensional changes by temperature and humidity within specific ranges, it becomes possible to control the dimensional change and the difference in dimensional changes between the longitudinal and the transverse direction of the film used as a magnetic-recording medium to be extremely small.Type: ApplicationFiled: November 11, 2004Publication date: April 12, 2007Inventors: Masanori Sueoka, Akimitsu Tsukuda
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Patent number: 6468628Abstract: Disclosed is a magnetic recording medium having a magnetic layer directly formed on at least one surface of a base film that comprises, as the essential ingredient, an aromatic polyamide, in which the number of protrusions having a height of at least 10 nm on the surface of the magnetic layer, Na(10) (/mm2), the number of protrusions having a height of at least 50 nm thereon, Na(50) (/mm2), and the number of protrusions having a height of at least 10 nm on the surface of the base film coated with the magnetic layer, Na(10)′ (/mm2), all satisfy the following formulae: 2×104≦Na(10)≦2×107, 0≦Na(50)≦5×104, −0.9≦(Na(10)−Na(10)′)/Na(10)′≦0. The medium has, as the non-magnetic substrate (base film), a highly-tough, aromatic polyamide film, and the surface profile of its magnetic layer and that of its base film are specifically controlled.Type: GrantFiled: January 16, 2001Date of Patent: October 22, 2002Assignee: Toray Industries, Inc.Inventors: Masanori Sueoka, Akimitsu Tsukuda, Nobuaki Ito
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Patent number: 6358619Abstract: The present invention is an aromatic polyamide film, which is a laminated film consisting of at least two layers, comprising an aromatic polyamide and 0.1 wt % to 10 wt % of at least one or more different polymers, being contained at least in the outermost layer (layer A) of the film, subject to the condition that the following formulae are satisfied 0.01≦t/d≦0.5 0.05≦s/L≦1 where d is the thickness of the layer A (&mgr;m); t, the circle equivalent diameter of the isles of the different polymer (&mgr;m); L, the major axis of the isles (&mgr;m); and s, the minor axis of the isles (&mgr;m). The aromatic polyamide film of the present invention is especially useful an a base film of a magnetic recording medium with high productivity since it is free from the wrinkling and weaving caused at the time of film winding and excellent in abrasion resistance on the film surface.Type: GrantFiled: June 22, 1999Date of Patent: March 19, 2002Assignee: Toray Industries, Inc.Inventors: Masanori Sueoka, Mitsuhiro Horiuchi, Akimitsu Tsukuda
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Patent number: 6274220Abstract: The present invention provides aromatic polyamide resin moldings comprising at least one surface that is 1.0 nm or more in root-mean-square roughness and is 80 nm or less in 10-point average roughness, both of the roughness being as determined by atomic force microscopy, and that is 9.8 GPa or more in tensile Young's modulus at least in one direction. Such aromatic polyamide resin moldings serve effectively as material for film, film for magnetic recording medium in particular, that is highly resistant to scraping and has highly uniform surface protrusions.Type: GrantFiled: April 28, 1998Date of Patent: August 14, 2001Assignee: Toray Industries, Inc.Inventors: Akimitsu Tsukuda, Masanori Sueoka, Toshihiro Tsuzuki
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Publication number: 20010008714Abstract: Disclosed is a magnetic recording medium having a magnetic layer directly formed on at least one surface of a base film that comprises, as the essential ingredient, an aromatic polyamide, in which the number of protrusions having a height of at least 10 nm on the surface of the magnetic layer, Na(10) (/mm2), the number of protrusions having a height of at least 50 nm thereon, Na(50) (/mm2), and the number of protrusions having a height of at least 10 nm on the surface of the base film coated with the magnetic layer, Na(10)′ (/mm2), all satisfy the following formulae:Type: ApplicationFiled: January 16, 2001Publication date: July 19, 2001Inventors: Masanori Sueoka, Akimitsu Tsukuda, Nobuaki Ito
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Patent number: 6177384Abstract: An image transfer material for thermal recording capable of providing a highly precise printing quality suitable for multiple printing operations comprises a base film having, on one of its surfaces a layer of a colouring material. The base film is made of an aromatic polyamide and has a Young's modulus EMD in the longitudinal direction, measured at 20° C. and at a relative humidity of 60%, of at least 6.86 GPa. The base film is in a substantially flat condition and is capable of maintaining a flat condition after having been heat-treated at 200° C. for 10 minutes in the absence of an applied tension.Type: GrantFiled: April 15, 1997Date of Patent: January 23, 2001Assignee: Toray Industries, Inc.Inventors: Toshihiro Tsuzuki, Masanori Sueoka
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Patent number: 5972474Abstract: An aromatic polyamide and/or aromatic polyimide film suitable as a support in a magnetic recording medium excellent in runnability and scratch resistance and good in S/N ratio comprises an aromatic polyamide and/or aromatic polyimide as a main component, with particles present in the film, which film has characteristics which satisfy the following formulae:10 nm.ltoreq.dmax.ltoreq.300 nm (1)3.ltoreq..rho.(dmax)/.rho.(dmin).ltoreq.100 (2)or10 nm.ltoreq.dmax.ltoreq.300 nm (3)3.ltoreq..rho.(dmax)/.rho.(d").ltoreq.100 (4).rho.(dmax)/.rho.(dmin)>100 (5)where dmax is the depth from a first surface of the film at which the particle density shows the first maximal value; dmin is the depth at which the particle density shows the first minimal or minimum value in a range from dmax to 1 .mu.Type: GrantFiled: February 26, 1997Date of Patent: October 26, 1999Assignee: Toray Industries, Inc.Inventors: Toshihiro Tsuzuki, Masanori Sueoka, Nobuaki Itoh
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Patent number: RE40039Abstract: The present invention provides aromatic polyamide resin moldings comprising at least one surface that is 1.0 nm or more in root-mean-square roughness and is 80 nm or less in 10-point average roughness, both of the roughness being as determined by atomic force microscopy, and that is 9.8 GPa or more in tensile Young's modulus at least in one direction. Such aromatic polyamide resin moldings serve effectively as material for film, film for magnetic recording medium in particular, that is highly resistant to scraping and has highly uniform surface protrusions.Type: GrantFiled: August 29, 1997Date of Patent: January 29, 2008Assignee: Toray Industries, Inc.Inventors: Akimitsu Tsukuda, Masanori Sueoka, Toshihiro Tsuzuki