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).

  • Publication number: 20220270783
    Abstract: 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: Application
    Filed: March 25, 2021
    Publication date: August 25, 2022
    Inventor: Chiaki KOJIMA
  • Patent number: 11410790
    Abstract: 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 t
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: August 9, 2022
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Chiaki Kojima, Tatsuo Matsuda
  • Publication number: 20220172861
    Abstract: 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: Application
    Filed: February 15, 2022
    Publication date: June 2, 2022
    Inventors: Chiaki KOJIMA, Tatsuo MATSUDA
  • Patent number: 11289241
    Abstract: 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: Grant
    Filed: April 25, 2019
    Date of Patent: March 29, 2022
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Chiaki Kojima, Tatsuo Matsuda
  • Patent number: 11244772
    Abstract: 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: Grant
    Filed: June 25, 2019
    Date of Patent: February 8, 2022
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Chiaki Kojima, Tatsuo Matsuda
  • Patent number: 11145437
    Abstract: 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: Grant
    Filed: February 23, 2018
    Date of Patent: October 12, 2021
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Chiaki Kojima, Yutaka Fukuda, Tatsuo Matsuda
  • Publication number: 20210249153
    Abstract: 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: Application
    Filed: April 25, 2019
    Publication date: August 12, 2021
    Inventors: Chiaki KOJIMA, Tatsuo MATSUDA
  • Publication number: 20210249803
    Abstract: 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 t
    Type: Application
    Filed: March 28, 2019
    Publication date: August 12, 2021
    Inventors: Chiaki KOJIMA, Tatsuo MATSUDA
  • Publication number: 20210233680
    Abstract: 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: Application
    Filed: June 25, 2019
    Publication date: July 29, 2021
    Inventors: Chiaki KOJIMA, Tatsuo MATSUDA
  • Publication number: 20210090761
    Abstract: 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: Application
    Filed: February 23, 2018
    Publication date: March 25, 2021
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Chiaki KOJIMA, Yutaka FUKUDA, Tatsuo MATSUDA
  • Patent number: 10957466
    Abstract: 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: Grant
    Filed: August 7, 2020
    Date of Patent: March 23, 2021
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD
    Inventor: Chiaki Kojima
  • Publication number: 20210065929
    Abstract: 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: Application
    Filed: August 7, 2020
    Publication date: March 4, 2021
    Inventor: Chiaki KOJIMA
  • Patent number: 10726971
    Abstract: 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: Grant
    Filed: May 20, 2019
    Date of Patent: July 28, 2020
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Chiaki Kojima, Tatsuo Matsuda
  • Publication number: 20190371494
    Abstract: 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: Application
    Filed: May 20, 2019
    Publication date: December 5, 2019
    Inventors: Chiaki KOJIMA, Tatsuo MATSUDA
  • Patent number: 10465199
    Abstract: 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: Grant
    Filed: July 12, 2018
    Date of Patent: November 5, 2019
    Assignee: AGC Inc.
    Inventors: Alimjan Idiris, Hiromichi Kumagai, Chiaki Kojima
  • Publication number: 20180312853
    Abstract: 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: Application
    Filed: July 12, 2018
    Publication date: November 1, 2018
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Alimjan IDIRIS, Hiromichi Kumagai, Chiaki Kojima
  • Patent number: 8284500
    Abstract: An object of the invention is to provide a laser line-generator that generates a straight line with the both end portions as bright as the central portion, and a laser line-generator module that integrates the laser line-generator with a laser light source. A columnar transparent medium has an entrance boundary surface 10 for taking in laser light and an exit surface 20 for emitting the taken laser light linearly. At least one of the entrance boundary surface 10 and the exit surface 20 is composed of a curved surface, and a curve forming the curved surface includes two or more inflection points F.
    Type: Grant
    Filed: June 8, 2009
    Date of Patent: October 9, 2012
    Assignee: Ayase Co., Ltd.
    Inventors: Chiaki Kojima, Ja Koo, Hiroyuki Imai
  • Publication number: 20100309565
    Abstract: An object of the invention is to provide a laser line-generator that generates a straight line with the both end portions as bright as the central portion, and a laser line-generator module that integrates the laser line-generator with a laser light source. A columnar transparent medium has an entrance boundary surface 10 for taking in laser light and an exit surface 20 for emitting the taken laser light linearly. At least one of the entrance boundary surface 10 and the exit surface 20 is composed of a curved surface, and a curve forming the curved surface includes two or more inflection points F.
    Type: Application
    Filed: June 8, 2009
    Publication date: December 9, 2010
    Applicant: Ayase Co., Ltd
    Inventors: Chiaki Kojima, Ja Koo, Hiroyuki Imai
  • Patent number: 7113471
    Abstract: An optical pickup device with the capability to read data from and write data to different kinds of optical discs in different formats and a composite optical device used in the optical pickup device. An optical pickup device is made by combining two laser couplers LC1 and LC2 that are designed for optimum read/write specifications for optical discs which are different in format from each other. In one embodiment, two laser couplers LC1 and LC2 are incorporated on a common photodiode IC to form a single laser coupler, and the laser coupler is used in an optical pickup device.
    Type: Grant
    Filed: March 21, 2005
    Date of Patent: September 26, 2006
    Assignee: Sony Corporation
    Inventors: Tadashi Taniguchi, Chiaki Kojima
  • Patent number: 7038994
    Abstract: An optical pickup device with the capability to read data from and write data to different kinds of optical discs in different formats and a composite optical device used in the optical pickup device. An optical pickup device is made by combining two laser couplers LC1 and LC2 that are designed for optimum read/write specifications for optical discs which are different in format from each other. In one embodiment, two laser couplers LC1 and LC2 are incorporated on a common photodiode IC to form a single laser coupler, and the laser coupler is used in an optical pickup device.
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: May 2, 2006
    Assignee: Sony Corporation
    Inventors: Tadashi Taniguchi, Chiaki Kojima