Patents by Inventor Takashi Fujioka
Takashi Fujioka 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: 10571963Abstract: A housing includes: a top cover; a bottom cover having a rising wall member erected toward the top cover and joined to the top cover at a rim; and a reinforcing structure which is disposed in a space divided by the top cover and the bottom cover, and has an opening, the reinforcing structure being joined to the bottom cover. The bottom cover is formed of a material having a thickness of 0.1 mm or more and 0.8 mm or less and an elastic modulus of 20 GPa or more and 120 GPa or less.Type: GrantFiled: September 6, 2016Date of Patent: February 25, 2020Assignee: TORAY INDUSTRIES, INC.Inventors: Masato Honma, Takashi Fujioka
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Publication number: 20190382543Abstract: Provided is a mountain-shaped structure material being excellent in stiffness and lightness. The present invention is a structure material including a resin, reinforced fibers and voids. The structure material has a specific bending stiffness represented as Ec1/3·??1 being 2.5 or more where a bending modulus is Ec and a density is ?. The structure material has a mountain shape.Type: ApplicationFiled: December 20, 2017Publication date: December 19, 2019Applicant: TORAY INDUSTRIES, INC.Inventors: Takashi FUJIOKA, Yoshiki TAKEBE, Masato HONMA
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Patent number: 10509443Abstract: A housing includes: a bottom cover; a top cover; and a reinforcing structure that is disposed in a space divided by the bottom cover and the top cover and has a flat portion, a rising wall member erected on a rim of the flat portion, and a joining portion extending from a rim of the rising wall member, or a curved portion, and a joining portion extending from a rim of the curved portion, the joining portion of the reinforcing structure being joined to the bottom cover or the top cover. The area of the joining portion is within a range of 10 cm2 or more and 100 cm2 or less, and the maximum value of the height of the reinforcing structure is within a range of 3 mm or more and 30 mm or less.Type: GrantFiled: September 6, 2016Date of Patent: December 17, 2019Assignee: TORAY INDUSTRIES, INC.Inventors: Masato Honma, Takashi Fujioka
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Publication number: 20190313542Abstract: A case which is configured of a cover comprising an electronic device, and which is characterized in that the electronic device is inserted into the cover. A case which is configured of a cover comprising an electronic device, and which has an improved storage capacity, while maintaining the stiffness required for a case.Type: ApplicationFiled: June 20, 2017Publication date: October 10, 2019Applicant: TORAY INDUSTRIES, INC.Inventors: Takashi FUJIOKA, Masato HONMA
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Publication number: 20190299495Abstract: A method for manufacturing a structure material is a method for manufacturing a structure material that includes a thermoplastic resin, reinforced fibers, and voids. The method includes: a first process for arranging a structure precursor comprising the thermoplastic resin and the reinforced fibers in a mold with a surface temperature of 80° C. or less; a second process for raising the surface temperature of the mold up to a temperature at which a storage elastic modulus (G?) of the structure precursor is less than 1.2×108 Pa; a third process for lowering the surface temperature of the mold down to a temperature at which the storage elastic modulus (G?) of the structure precursor is 1.2×108 Pa or more; and a fourth process for removing a structure material obtained after end of the third process from the mold.Type: ApplicationFiled: December 9, 2016Publication date: October 3, 2019Applicant: TORAY INDUSTRIES, INC.Inventors: Takashi FUJIOKA, Yoshiki TAKEBE, Masato HONMA
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Publication number: 20190237862Abstract: The present invention aims to provide an electronic device housing that is able to maintain the antenna performance without deteriorating the radio communication performance, excellent in terms of the degree of warpage and dimensional accuracy, and mass productivity. The electronic device housing includes a fiber reinforcing member (a) and a fiber reinforcing member (b), wherein the fiber reinforcing member (a) contains a resin (a1) and a fiber (a2), the fiber (a2) being in the form of discontinuous fibers; the fiber reinforcing member (b) contains a resin (b1) and a fiber (b2), the fiber (b2) being in the form of continuous fibers; the projected area of the fiber reinforcing member (a) accounts for 60% or more of the total projected area, which accounts for 100%, of the housing projected onto the plane of the top face; and requirements (i) and/or (ii) given below are met: (i) the resin (a1) is a thermoplastic resin having a melting point of more than 265° C.Type: ApplicationFiled: September 25, 2017Publication date: August 1, 2019Applicant: TORAY INDUSTRIES, INC.Inventors: Mitsushige HAMAGUCHI, Takashi FUJIOKA, Masato HONMA
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Publication number: 20190208654Abstract: The invention aims to provide an electronic device housing that can maintain the antenna performance without deteriorating the radio communication performance, ensures uniform characteristics as one molded electronic device housing in spite of consisting of a plurality of members, and show excellent features in terms of the degree of warpage and dimensional accuracy as well as small deformation in high temperature environments and high mass productivity.Type: ApplicationFiled: September 25, 2017Publication date: July 4, 2019Applicant: TORAY INDUSTRIES, INC.Inventors: Mitsushige HAMAGUCHI, Takashi FUJIOKA, Masato HONMA
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Publication number: 20180299925Abstract: A housing includes: a top cover; a bottom cover having a rising wall member erected toward the top cover and joined to the top cover at a rim; and a reinforcing structure which is disposed in a space divided by the top cover and the bottom cover, and has an opening, the reinforcing structure being joined to the bottom cover. The bottom cover is formed of a material having a thickness of 0.1 mm or more and 0.8 mm or less and an elastic modulus of 20 GPa or more and 120 GPa or less.Type: ApplicationFiled: September 6, 2016Publication date: October 18, 2018Applicant: TORAY INDUSTRIES, INC.Inventors: Masato HONMA, Takashi FUJIOKA
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Publication number: 20180284845Abstract: A housing includes: a top cover; a bottom cover; and a reinforcing structure that is disposed in a space divided by the top cover and the bottom cover, and has an opening, the reinforcing structure being joined to the top cover or the bottom cover. The reinforcing structure is (1) joined to the bottom cover or the top cover with a pealing load of 60 N/cm2 or more and 5000 N/cm2 or less at 23° C. and with a pealing load of less than 60 N/cm2 at 200° C., and/or (2) joined to the top cover or the bottom cover by thermal welding.Type: ApplicationFiled: September 6, 2016Publication date: October 4, 2018Applicant: TORAY INDUSTRIES, INC.Inventors: Masato HONMA, Takashi FUJIOKA
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Publication number: 20180270967Abstract: A housing includes: a bottom cover; a top cover; and a reinforcing structure that is disposed in a space divided by the bottom cover and the top cover, and has a flat portion, and a rising wall member erected on a rim of the flat portion. The rising wall member of the reinforcing structure is joined to a rising wall member erected on a rim of the bottom cover or the top cover.Type: ApplicationFiled: September 6, 2016Publication date: September 20, 2018Applicant: TORAY INDUSTRIES, INC.Inventors: Masato HONMA, Takashi FUJIOKA
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Publication number: 20180260003Abstract: An electronic device housing includes: a bottom cover; a top cover; a partition structure that is disposed in a space divided by the bottom cover and the top cover and has an opening; and a heat generation member. The partition structure is joined to the bottom cover or the top cover to form a hollow structure, and the heat generation member is disposed on a surface of the partition structure on the hollow structure side.Type: ApplicationFiled: September 6, 2016Publication date: September 13, 2018Applicant: TORAY INDUSTRIES, INC.Inventors: Masato HONMA, Yoshiki TAKEBE, Naokichi IMAI, Takashi FUJIOKA
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Publication number: 20180260002Abstract: A housing includes: a bottom cover; a top cover; and a reinforcing structure that is disposed in a space divided by the bottom cover and the top cover and has a flat portion, a rising wall member erected on a rim of the flat portion, and a joining portion extending from a rim of the rising wall member, or a curved portion, and a joining portion extending from a rim of the curved portion, the joining portion of the reinforcing structure being joined to the bottom cover or the top cover. The area of the joining portion is within a range of 10 cm2 or more and 100 cm2 or less, and the maximum value of the height of the reinforcing structure is within a range of 3 mm or more and 30 mm or less.Type: ApplicationFiled: September 6, 2016Publication date: September 13, 2018Applicant: TORAY INDUSTRIES, INC.Inventors: Masato HONMA, Takashi FUJIOKA
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Publication number: 20180066118Abstract: A resin supply material is used for molding a fiber-reinforced resin and includes a continuous porous material and a resin. The continuous porous material has a bending resistance Grt of 10 mN·cm or more at 23° C., and a bending resistance ratio Gr of 0.7 or less, the bending resistance ratio Gr being expressed by the formula: Gr=Gmt/Grt Gmt: bending resistance of continuous porous material at 70° C.Type: ApplicationFiled: February 24, 2016Publication date: March 8, 2018Inventors: Tomohiro Takehara, Satoshi Seike, Masato Honma, Takashi Fujioka, Satomi Hiasa
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Publication number: 20170326820Abstract: A laminate includes reinforcing fibers, thermosetting resin (B) or thermoplastic resin (D), wherein adhesion with other members, particularly in high-temperature atmospheres, is outstanding. The laminate includes: a porous substrate (C) comprising a thermoplastic resin (c), reinforcing fibers (A) and a thermosetting resin (B), or a porous substrate (C) comprising a thermoplastic resin (c), reinforcing fibers (A) and a thermoplastic resin (D); wherein the porous substrate (C) has a gap part continuous in the thickness direction of the laminate, and the melting point or softening point is higher than 180° C., and at least 10% of the surface area of one surface of the porous substrate (C) is exposed on one side of the laminate.Type: ApplicationFiled: November 10, 2015Publication date: November 16, 2017Inventors: Takashi Fujioka, Masato Honma
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Patent number: 9579876Abstract: A printing mechanism 1 including a mandrel 2, and a tubular sleeve 3; wherein the mandrel comprises a main body and sleeve support members 6, a plurality of the sleeve-support members being arranged on the main body at intervals in the axial direction; and wherein the sleeve-support member has a plurality of arm portions 7 extending radially so as to support the sleeve from an inside thereof, and moving mechanisms 8 for moving tip vicinities of the arm portions inward/outward in the radial direction; and wherein the sleeve-support member has an interlock mechanism 9 for synchronously driving each moving mechanism of the sleeve support members, the tip vicinities of the arm portions being engaged with the inner surface of the sleeve or released from the engaged inner surface of the sleeve by the synchronous motion of the tip vicinities of all arm portions inward/outward with the interlock mechanism.Type: GrantFiled: February 3, 2016Date of Patent: February 28, 2017Assignee: SIKO CO., LTD.Inventors: Hirotoshi Maeda, Takashi Fujioka
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Publication number: 20170028689Abstract: A preform includes: (A) a self-reinforced sheet comprising (a-1) a thermoplastic resin and (a-2) a fiber or tape made of a thermoplastic resin which is the same type as the thermoplastic resin (a-1), the self-reinforced sheet (A) being reinforced with the fiber or tape (a-2); and (B) a reinforced sheet comprising (b-1) a randomly-oriented mat of discontinuous carbon fibers and (b-2) a thermoplastic resin. The self-reinforced sheet (A) and the reinforced sheet (B) are laminated one on another. Each thermoplastic resin serves as a matrix resin of the preform.Type: ApplicationFiled: December 5, 2014Publication date: February 2, 2017Inventors: Ignace VERPOEST, Joris BAETS, Yoshiki TAKEBE, Hidetaka MURAMATSU, Takashi FUJIOKA, Noriyuki HIRANO
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Patent number: 9505177Abstract: A method is provided for producing a metal composite. The composite includes a metal material and a resin curing layer provided along the metal material, and is obtained by using heat and pressure to mold a preform. The preform includes a sheet-shaped base material containing a thermosetting resin, and a metal material arranged or layered so as to contact the sheet-shaped base material. The method for producing a metal composite includes heating the sheet-shaped base material and semi-curing the thermosetting resin while the metal material in the preform arranged inside a mold is heated to a temperature exceeding 180° C., and molding the preform into a composite using pressure, wherein the thermosetting resin is at least one type selected from the group consisting of epoxy resins, phenol resins, benzoxazine resins, and unsaturated polyester resins.Type: GrantFiled: November 24, 2011Date of Patent: November 29, 2016Assignee: TORAY INDUSTRIES, INC.Inventors: Takashi Fujioka, Masato Honma
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Publication number: 20150266260Abstract: A molded product and a unified molded product that are lightweight and also high in rigidity to meet the requirements from the market can be produced from a molded product comprising: a first member (I) containing a planar surface layer part and a protruding core part, and a second member (II) unified therewith, the first member (I) being of a fiber-reinforced resin (A) formed mainly of a reinforcing fiber (a1) and a matrix resin (a2), part of the threads of the reinforcing fiber (a1) extending penetratingly between the surface layer part and the core part, the part of the threads of the reinforcing fiber (a1) extending penetratingly at a rate of 400 threads/mm2 or more through the boundary surface between the surface layer part and the core part, the reinforcing fiber (a1) having a number-average fiber length Ln of 1 mm or more, and the core part forming a hollow structure.Type: ApplicationFiled: December 11, 2013Publication date: September 24, 2015Applicant: TORAY INDUSTRIES, INC.Inventors: Takashi Fujioka, Atsuki Tsuchiya
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Patent number: 8685537Abstract: The invention provides a fiber reinforced resin composition comprising a melt-kneaded product (A) prepared by melt-kneading a first resin (A1) and a second resin (A2) that has a reactive functional group as well as a third resin (B) and a fibrous filler (C), wherein, with respect to the contents of the components, the first resin (A1), the second resin with a reactive functional group (A2), and the third resin (B) account for 0.1 to 75 wt %, 0.1 to 15 wt %, and 10 to 99.8 wt %, respectively, to form a resin composition while said fibrous filler (C) accounts for 0.1 to 300 parts by weight per 100 parts by weight of said resin composition, said first resin (A1) and said third resin (B) forming a matrix resin, said second resin (A2) being dispersed as particles in said matrix resin, and said particles having a number average particle diameter of 10 to 1,000 nm.Type: GrantFiled: March 16, 2010Date of Patent: April 1, 2014Assignee: TORAY Industries, Inc.Inventors: Naokichi Imai, Masato Honma, Takayuki Fujiwara, Takashi Fujioka, Masaru Akita, Makiko Saito
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Patent number: 8636417Abstract: In a wheel support structure for a motorcycle, a magnetic encoder 34 for detecting rotational speed is mounted and fastened to the inner circumferential surface of a cylindrical section 36a, which extends outward in the axial direction from the outer ring 22, of an encoder installation plate 35a that is attached to the end section in the axial direction of the outer ring 22 of the one of the rolling bearings 21a on the side toward the other rolling bearing 4, or is mounted and attached to the side surface toward the side of the other rolling bearing 4 of a slinger 73, which is attached to the end section in the axial direction of the outer ring 22b of the one of the rolling bearings 21a on the side toward the other rolling bearing 4 such that the end surface on the inner diameter side closely faces the outer surface of the inner ring 24 to form labyrinth space 42.Type: GrantFiled: June 30, 2011Date of Patent: January 28, 2014Assignee: NSK Ltd.Inventors: Kouichi Kakuda, Hirokazu Yajima, Aya Kikuchi, Takashi Fujioka