Patents by Inventor Chiaki Kojima
Chiaki Kojima 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: 11875912Abstract: A shielded flat cable includes a plurality of ground lines disposed in a first plane, a pair of signal lines provided between the plurality of ground lines and disposed in the first plan, an insulating layer covering the plurality of ground lines and the pair of signal lines, and a shield layer covering the insulating layer. In a cross section perpendicular to a longitudinal direction, the plurality of ground lines include an adjacent ground line adjacent to one signal line of the pair of signal lines. A minimum distance between the pair of signal lines is smaller than a minimum distance between the adjacent ground line and the one signal line.Type: GrantFiled: March 25, 2021Date of Patent: January 16, 2024Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventor: Chiaki Kojima
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Publication number: 20230261426Abstract: A first connector 10 configured to be attached to a connection object 40 that includes a plurality of contact lines 42 exposed at a tip of the connection object 40 and a ground portion 43 covering part of the plurality of contact lines 42, comprises: a first insulator 20 including a holding portion 24 configured to hold the connection object 40 in a state of accommodating the tip; and a first metal member 30 attached to the first insulator 20, wherein the first metal member 30 includes: a first base portion 31 that is plate-shaped; a first contact portion 32 configured to extend from the first base portion 31 toward the tip and contact the plurality of contact lines 42; and a second contact portion 33 configured to be located more on a side opposite to the tip than the first contact portion 32 and contact the ground portion 43.Type: ApplicationFiled: April 20, 2023Publication date: August 17, 2023Inventors: Fumihito IKEGAMI, Masayoshi KAKINO, Tatsuo MATSUDA, Chiaki KOJIMA
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Patent number: 11715582Abstract: A shielded flat cable includes multiple flat conductors arranged in parallel, a lower insulating layer provided on lower surfaces of the multiple conductors, a lower shield layer provided on a lower surface of the lower insulating layer, a lower protective layer provided on a lower surface of the lower shield layer, a lower contact portion that is exposed from the lower protective layer and provided to contact a second contact member of the connector, and that is electrically coupled to the lower shield layer, a terminal in which the multiple conductors are exposed at an end, and a reinforcing plate provided on the lower surface of the lower insulating layer and the lower surfaces of the multiple conductors at the terminal. The multiple conductors extend along the lower insulating layer and the reinforcing plate, and the lower contact portion and the terminal overlap in a side view.Type: GrantFiled: February 15, 2022Date of Patent: August 1, 2023Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Chiaki Kojima, Tatsuo Matsuda
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Publication number: 20230230721Abstract: A shielded flat cable includes multiple conductors arrayed in parallel along a first plane, a resin insulating layer including first and second resin insulating layers that cover the conductors, the first plane being sandwiched between the first and second resin insulating layers, a shield layer that covers an outer surface of the resin insulating layer and that includes an adhesive, and a pair of flame-retardant resin films that cover an outer surface of the shield layer. The pair of resin films have a first bonding section and a second bonding section where the pair of resin films are bonded to each other. The outer surface of the shield layer has a first portion that contacts the first bonding section and a second portion that contacts the second bonding section. The shield layer has a third bonding section where the adhesive is bonded to each other.Type: ApplicationFiled: July 2, 2020Publication date: July 20, 2023Inventors: Chiaki KOJIMA, Yuki MORI
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Publication number: 20220270783Abstract: A shielded flat cable includes a plurality of ground lines disposed in a first plane, a pair of signal lines provided between the plurality of ground lines and disposed in the first plan, an insulating layer covering the plurality of ground lines and the pair of signal lines, and a shield layer covering the insulating layer. In a cross section perpendicular to a longitudinal direction, the plurality of ground lines include an adjacent ground line adjacent to one signal line of the pair of signal lines. A minimum distance between the pair of signal lines is smaller than a minimum distance between the adjacent ground line and the one signal line.Type: ApplicationFiled: March 25, 2021Publication date: August 25, 2022Inventor: Chiaki KOJIMA
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Patent number: 11410790Abstract: With respect to a connector for attachment to a shielded flat cable including a signal wire and a ground wire arranged in parallel, an insulating layer covering the signal wire and the ground wire; and a first shield layer and a second shield layer respectively covering both sides of the insulating layer, wherein a terminal in which the signal wire and the ground wire are exposed is formed on a first shield layer side at an end in a longitudinal direction, the connector includes a casing, wherein the casing includes a bottom to face the first shield layer or the second shield layer, a top to face the first shield layer or the second shield layer, a side wall connected to the bottom and the top, a signal wire contact member, a ground wire contact member, and the connector further includes a signal wire contact member configured to come in contact with the signal wire of the terminal upon the shielded flat cable being attached, a ground wire contact member configured to come in contact with the ground wire of tType: GrantFiled: March 28, 2019Date of Patent: August 9, 2022Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Chiaki Kojima, Tatsuo Matsuda
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Publication number: 20220172861Abstract: A shielded flat cable includes multiple flat conductors arranged in parallel, a lower insulating layer provided on lower surfaces of the multiple conductors, a lower shield layer provided on a lower surface of the lower insulating layer, a lower protective layer provided on a lower surface of the lower shield layer, a lower contact portion that is exposed from the lower protective layer and provided to contact a second contact member of the connector, and that is electrically coupled to the lower shield layer, a terminal in which the multiple conductors are exposed at an end, and a reinforcing plate provided on the lower surface of the lower insulating layer and the lower surfaces of the multiple conductors at the terminal. The multiple conductors extend along the lower insulating layer and the reinforcing plate, and the lower contact portion and the terminal overlap in a side view.Type: ApplicationFiled: February 15, 2022Publication date: June 2, 2022Inventors: Chiaki KOJIMA, Tatsuo MATSUDA
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Patent number: 11289241Abstract: A shielded flat cable including conductors 110, a lower insulating layer 122 bonded on lower surfaces 112 of the conductors 110, a lower dielectric layer 132 bonded on a lower surface 122a of the insulating layer 122, a lower shield layer 142 bonded on a lower surface 132a of the lower dielectric layer 132, a terminal T in which the conductors 110 are exposed at an end in a longitudinal direction, a reinforcing plate 160 bonded on the lower surface 122a of the lower insulating layer 122 and the lower surfaces 112 of the conductors 110 at the terminal T, and a grounding member 170 bonded on a lower surface 162 of the reinforcing plate 160 and a lower surface 142a of the lower shield layer 142 to be electrically coupled to the lower shield layer 142 is provided, wherein the grounding member 170 extends to under the terminal T.Type: GrantFiled: April 25, 2019Date of Patent: March 29, 2022Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Chiaki Kojima, Tatsuo Matsuda
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Patent number: 11244772Abstract: A flat cable includes: a plurality of conductors arranged in parallel; an insulating layer formed, on first surfaces of the plurality of conductors and on second surfaces that are opposite surfaces of the first surfaces, along the plurality of conductors; an exposed portion where the first surfaces at end portions of the conductors are exposed to outside; and a reinforcement plate formed on the second surfaces opposite to the exposed portion. On the second surfaces opposite to the exposed portion, the reinforcement plate is directly formed on the conductors, and on the second surfaces opposite to the first surfaces that are in continuous with the exposed portion, the reinforcement plate is formed between the conductors and the insulating layer on the second surfaces.Type: GrantFiled: June 25, 2019Date of Patent: February 8, 2022Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Chiaki Kojima, Tatsuo Matsuda
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Patent number: 11145437Abstract: A shielded flat cable includes a plurality of flat conductors arranged in parallel, a pair of resin insulating layers sandwiching the flat conductors from both sides of a parallel surface of the flat conductors, and covering portions other than end portions of the flat conductors in a length direction, a pair of shield layers in contact with an outer surface of at least one resin insulating layer of the pair of resin insulating layers, and a pair of first resin films with an adhesive covering an outer surface of the pair of resin insulating layers or the shield layer. A dielectric loss tangent of the resin insulating layer, of the pair of resin insulating layers, in contact with the shield layer is 0.001 or less at 10 GHz, and the adhesive or the pair of first resin films is made of a flame retardant material.Type: GrantFiled: February 23, 2018Date of Patent: October 12, 2021Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Chiaki Kojima, Yutaka Fukuda, Tatsuo Matsuda
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Publication number: 20210249803Abstract: With respect to a connector for attachment to a shielded flat cable including a signal wire and a ground wire arranged in parallel, an insulating layer covering the signal wire and the ground wire; and a first shield layer and a second shield layer respectively covering both sides of the insulating layer, wherein a terminal in which the signal wire and the ground wire are exposed is formed on a first shield layer side at an end in a longitudinal direction, the connector includes a casing, wherein the casing includes a bottom to face the first shield layer or the second shield layer, a top to face the first shield layer or the second shield layer, a side wall connected to the bottom and the top, a signal wire contact member, a ground wire contact member, and the connector further includes a signal wire contact member configured to come in contact with the signal wire of the terminal upon the shielded flat cable being attached, a ground wire contact member configured to come in contact with the ground wire of tType: ApplicationFiled: March 28, 2019Publication date: August 12, 2021Inventors: Chiaki KOJIMA, Tatsuo MATSUDA
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Publication number: 20210249153Abstract: A lower insulating layer 122 bonded on lower surfaces 112 of conductors 110, a lower dielectric layer 132 bonded on a lower surface 122a of the insulating layer 122, a lower shield layer 142a bonded on a lower surface 132a of the lower dielectric layer 132, a terminal T in which the conductors 110 are exposed at an end in a longitudinal direction, a reinforcing plate 160 bonded on the lower surface 122a of the lower insulating layer 122 and the lower surfaces 112 of the conductors 110 at the terminal T, and a grounding member 170 bonded on a lower surface 162 of the reinforcing plate 160 and a lower surface 142a of the lower shield layer 142 to be electrically coupled to the lower shield layer 142 are provided, wherein the grounding member 170 extends to under the terminal T.Type: ApplicationFiled: April 25, 2019Publication date: August 12, 2021Inventors: Chiaki KOJIMA, Tatsuo MATSUDA
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Publication number: 20210233680Abstract: A flat cable includes: a plurality of conductors arranged in parallel; an insulating layer formed, on first surfaces of the plurality of conductors and on second surfaces that are opposite surfaces of the first surfaces, along the plurality of conductors; an exposed portion where the first surfaces at end portions of the conductors are exposed to outside; and a reinforcement plate formed on the second surfaces opposite to the exposed portion. On the second surfaces opposite to the exposed portion, the reinforcement plate is directly formed on the conductors, and on the second surfaces opposite to the first surfaces that are in continuous with the exposed portion, the reinforcement plate is formed between the conductors and the insulating layer on the second surfaces.Type: ApplicationFiled: June 25, 2019Publication date: July 29, 2021Inventors: Chiaki KOJIMA, Tatsuo MATSUDA
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Publication number: 20210090761Abstract: A shielded flat cable includes a plurality of flat conductors arranged in parallel, a pair of resin insulating layers sandwiching the flat conductors from both sides of a parallel surface of the flat conductors, and covering portions other than end portions of the flat conductors in a length direction, a pair of shield layers in contact with an outer surface of at least one resin insulating layer of the pair of resin insulating layers, and a pair of first resin films with an adhesive covering an outer surface of the pair of resin insulating layers or the shield layer. A dielectric loss tangent of the resin insulating layer, of the pair of resin insulating layers, in contact with the shield layer is 0.001 or less at 10 GHz, and the adhesive or the pair of first resin films is made of a flame retardant material.Type: ApplicationFiled: February 23, 2018Publication date: March 25, 2021Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Chiaki KOJIMA, Yutaka FUKUDA, Tatsuo MATSUDA
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Patent number: 10957466Abstract: A shielded flat cable includes one or more ground wires arranged, the ground wires being parallel to each other, one or more signal wires arranged parallel to the one or more ground wires, an insulating layer covering the one or more ground wires and the one or more signal wires, and a shield layer provided on an outer surface of the insulating layer, wherein a thickness of the insulating layer at a central position of each ground wire in an arrangement direction is smaller than a thickness of the insulating layer at a central position of each signal wire in the arrangement direction, in a cross-section orthogonal to a longitudinal direction of the one or more ground wires, the arrangement direction being a direction in which the one or more ground wires and the one or more signal wires are arranged parallel to each other.Type: GrantFiled: August 7, 2020Date of Patent: March 23, 2021Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTDInventor: Chiaki Kojima
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Publication number: 20210065929Abstract: A shielded flat cable includes one or more ground wires arranged, the ground wires being parallel to each other, one or more signal wires arranged parallel to the one or more ground wires, an insulating layer covering the one or more ground wires and the one or more signal wires, and a shield layer provided on an outer surface of the insulating layer, wherein a thickness of the insulating layer at a central position of each ground wire in an arrangement direction is smaller than a thickness of the insulating layer at a central position of each signal wire in the arrangement direction, in a cross-section orthogonal to a longitudinal direction of the one or more ground wires, the arrangement direction being a direction in which the one or more ground wires and the one or more signal wires are arranged parallel to each other.Type: ApplicationFiled: August 7, 2020Publication date: March 4, 2021Inventor: Chiaki KOJIMA
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Patent number: 10726971Abstract: A shielded flat cable includes conductors arranged parallel to each other and respectively having a first surface and a second surface opposite to the first surface, a first insulator provided on the first surface of each of the conductors, and a second insulator provided on the second surface of each of the conductors. The first surface of each of the conductors includes an exposed surface at an end part along a longitudinal direction. The shielded flat cable further includes a shield member that includes a metal layer and is configured to cover the first insulator and a portion of the exposed surface of the first surface, via a resin layer.Type: GrantFiled: May 20, 2019Date of Patent: July 28, 2020Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Chiaki Kojima, Tatsuo Matsuda
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Publication number: 20190371494Abstract: A shielded flat cable includes conductors arranged parallel to each other and respectively having a first surface and a second surface opposite to the first surface, a first insulator provided on the first surface of each of the conductors, and a second insulator provided on the second surface of each of the conductors. The first surface of each of the conductors includes an exposed surface at an end part along a longitudinal direction. The shielded flat cable further includes a shield member that includes a metal layer and is configured to cover the first insulator and a portion of the exposed surface of the first surface, via a resin layer.Type: ApplicationFiled: May 20, 2019Publication date: December 5, 2019Inventors: Chiaki KOJIMA, Tatsuo MATSUDA
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Patent number: 10465199Abstract: To provide a method for producing transferrin by secretion with high productivity using a transformant of Schizosaccharomyces pombe, and a transformant suitable for the method. A transformant using Schizosaccharomyces pombe as a host, comprising a transferrin gene and a secretion signal peptide gene expressing transferrin to which a secretion signal peptide which functions in the host binds, located in an upstream region of the transferrin gene, and having gas2 gene endogenous to the host deleted or inactivated; and a method for producing transferrin, which comprises culturing the transformant in a liquid medium and obtaining transferrin from the liquid medium.Type: GrantFiled: July 12, 2018Date of Patent: November 5, 2019Assignee: AGC Inc.Inventors: Alimjan Idiris, Hiromichi Kumagai, Chiaki Kojima
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Publication number: 20180312853Abstract: To provide a method for producing transferrin by secretion with high productivity using a transformant of Schizosaccharomyces pombe, and a transformant suitable for the method. A transformant using Schizosaccharomyces pombe as a host, comprising a transferrin gene and a secretion signal peptide gene expressing transferrin to which a secretion signal peptide which functions in the host binds, located in an upstream region of the transferrin gene, and having gas2 gene endogenous to the host deleted or inactivated; and a method for producing transferrin, which comprises culturing the transformant in a liquid medium and obtaining transferrin from the liquid medium.Type: ApplicationFiled: July 12, 2018Publication date: November 1, 2018Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Alimjan IDIRIS, Hiromichi Kumagai, Chiaki Kojima