Patents Assigned to Hitachi Cable, Ltd.
  • GALLIUM NITRIDE SUBSTRATE AND EPITAXIAL WAFER
    Publication number: 20130248820
    Abstract: A gallium nitride substrate includes a plurality of physical level differences in a surface thereof. All the physical level differences existing in the surface have a dimension of not more than 4 ?m. A relationship of (H?L)/H×100?80 is satisfied in all the physical level differences, where H represents a higher value of cathodoluminescence emission intensities of a wavelength corresponding to a bandgap of the gallium nitride substrate, and L represents a lower value of the cathodoluminescence emission intensities, the cathodoluminescence emission intensities being measured in an upper step and a lower step of the physical level difference.
    Type: Application
    Filed: March 11, 2013
    Publication date: September 26, 2013
    Applicant: Hitachi Cable, Ltd.
    Inventor: Shunsuke Yamamoto
  • PIEZOELECTRIC FILM-ATTACHED SUBSTRATE, PIEZOELECTRIC FILM ELEMENT AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20130249354
    Abstract: There is provided a piezoelectric film-attached substrate, including a piezoelectric film having a specific thickness, wherein a reflection spectrum shows a relation between a light obtained in such a way that the surface of the piezoelectric film is irradiated with an irradiation light having a specific wavelength and the irradiation light is reflected on the surface of the piezoelectric film, and a light obtained in such a way that the irradiation light is transmitted through the piezoelectric film and is reflected on the surface of the lower electrode, which is the reflection spectrum at least at one point on a center part and an outer peripheral part of the piezoelectric film, and such a reflection spectrum has at least one of the maximum value and the minimum value respectively, wherein the reflectance at least in one maximum value is 0.4 or more.
    Type: Application
    Filed: March 12, 2013
    Publication date: September 26, 2013
    Applicant: HITACHI CABLE, LTD.
    Inventors: Kazutoshi WATANABE, Kenji SHIBATA, Kazufumi SUENAGA, Akira NOMOTO, Fumimasa HORIKIRI
  • Antenna and electronic device equipped with same
    Patent number: 8542149
    Abstract: An antenna according to the present invention comprises: a conductor plate with an axisymmetrical shape; a slot formed on the conductor plate; and a feeding point provided on the axisymmetrical axis of the conductor plate, in which the conductor plate is folded along two locations that are parallel to the axisymmetrical axis toward mutually different directions.
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: September 24, 2013
    Assignee: Hitachi Cable, Ltd.
    Inventors: Haruyuki Watanabe, Naoki Iso, Morihiko Ikegaya, Tomoyuki Ogawa
  • Cable fixing member
    Patent number: 8541681
    Abstract: A cable fixing member formed of one belt-like metal plate bent to fix three cables to a structure includes two flanges formed at both ends of the metal plate, two C-shaped holding portions formed to be bent into C-shapes in cross section on both sides respectively of a reference portion of the metal plate to hold two of the three cables in the C-shaped holding portions respectively, and two semicircular arc portions formed to be bent into semicircular arc shapes in cross section between the C-shaped holding portions and the flanges on both the sides respectively of the reference portion of the metal plate so that the two semicircular arc portions face each other to hold one of the three cables therebetween. The three cables are held so that the three cables are arranged to form a triangular shape in transverse cross sectional view.
    Type: Grant
    Filed: June 10, 2011
    Date of Patent: September 24, 2013
    Assignees: Hitachi Cable, Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Hirotaka Eshima, Yoji Kobayashi, Satoshi Murata, Kei Takakuwa
  • Photoelectric conversion module having dual circuit board and dual dust proofing member
    Patent number: 8541736
    Abstract: A photoelectric conversion module includes a housing including a first wall and a second wall parallel to each other, a first circuit board and a second circuit board arranged between the first wall and the second wall, a spacer disposed between the first circuit board and the second circuit board, a first dust proofing member for sealing a gap between the first wall and the first circuit board and a gap between the spacer and the first circuit board, and a second dust proofing member for sealing a gap between the second wall and the second circuit board and a gap between the spacer and the second circuit board. The first circuit board includes a first holding portion for holding the first dust proofing member. The second circuit board includes a second holding portion for holding the second dust proofing member.
    Type: Grant
    Filed: June 10, 2011
    Date of Patent: September 24, 2013
    Assignee: Hitachi Cable, Ltd.
    Inventors: Akiyoshi Baba, Yoshiaki Ishigami
  • Insert molding method and insert molded product
    Patent number: 8540917
    Abstract: An insert molding method includes holding a plurality of insert members in a molding die to be separated from one another, and subsequently filling a resin into the molding die to fill a gap between the insert members and a periphery thereof with the resin to form an insert molded product such that the insert members are separated at a preset interval from one another. The molding die includes a space-maintaining projection for maintaining a separation interval between the insert members at the preset interval or more, the projection being formed on an inner wall surface of the molding die opposite to a longitudinal end of the insert members, and a gate for filling the resin therethrough into the molding die, the gate being formed on an inner wall surface of the molding die opposite to a side of the insert members in a width direction thereof.
    Type: Grant
    Filed: December 1, 2010
    Date of Patent: September 24, 2013
    Assignee: Hitachi Cable, Ltd.
    Inventors: Satoshi Yamamoto, Akihiro Tanba, Masafumi Kaga
  • Flexible harness and electrical connector cable using same
    Patent number: 8541685
    Abstract: There is provided a flexible harness adapted to be detachably connected to electrode pads of an electric/electronic component. The flexible harness according to the present invention comprises: a flexible insulator film; a conductor pattern formed on the flexible insulator film; a terminal plane which is an end region of the conductor pattern; and ball-like contact bumps formed on the terminal plane. Each contact bump includes a core made of an elastically deformable resin and an electrical conductor layer surrounding the core.
    Type: Grant
    Filed: August 26, 2010
    Date of Patent: September 24, 2013
    Assignee: Hitachi Cable, Ltd.
    Inventors: Takahiro Sugiyama, Hideki Nounen
  • INSULATED WIRE AND COIL FORMED BY USING THE SAME
    Publication number: 20130240244
    Abstract: An insulated wire includes a flat type conductor, and an insulating film on an outer periphery of the flat type conductor. The insulating film includes a polyimide layer including a polyimide and having a breaking elongation percentage of more than 80%.
    Type: Application
    Filed: December 4, 2012
    Publication date: September 19, 2013
    Applicant: Hitachi Cable, Ltd.
    Inventors: Yuki HONDA, Takami USHIWATA, Shuta NABESHIMA, Hideyuki KIKUCHI
  • PHOSPHORUS-FREE BASED HALOGEN-FREE FLAME-RETARDANT RESIN COMPOSITION, PHOSPHORUS-FREE BASED HALOGEN-FREE FLAME-RETARDANT INSULATED ELECTRIC WIRE AND PHOSPHORUS-FREE BASED HALOGEN-FREE FLAME-RETARDANT CABLE
    Publication number: 20130240239
    Abstract: A phosphorus-free based halogen-free flame-retardant resin composition includes a base polymer including a copolymer of ethylene and ?-olefin having carbon number of 3 to 8 polymerized by a metallocene catalyst as a main component, and 5 to 30 weight % of an ethylene-vinyl acetate copolymer that has a melt flow rate of not less than 50 g/min and a vinyl acetate content of not less than 40%, a metal hydroxide blended with the base polymer in a ratio of 100 to 250 parts by weight relative to 100 parts by weight of the base polymer, and a mineral oil blended with the base polymer in a ratio of 1 to 20 parts by weight relative to 100 parts by weight of the base polymer.
    Type: Application
    Filed: March 12, 2013
    Publication date: September 19, 2013
    Applicant: HITACHI CABLE, LTD.
    Inventors: Hitoshi KIMURA, Motoharu KAJIYAMA, Takuya SUZUKI
  • VIBRATION-DAMPING COMPOSITE MATERIAL
    Publication number: 20130236741
    Abstract: A vibration-damping composite material includes a clad material that includes a base material includes a zinc-aluminum alloy and metal layers each including a ferritic stainless steel on both surfaces of the base material. A total thickness of the metal layers is not less than 40% and not more than 80% of the thickness of the clad material.
    Type: Application
    Filed: March 5, 2013
    Publication date: September 12, 2013
    Applicant: HITACHI CABLE, LTD.
    Inventors: Kazuma KUROKI, Hiromitsu KURODA
  • DIFFERENTIAL TRANSMISSION CABLE AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20130233589
    Abstract: A differential transmission cable includes at least one pair of inner conductors arranged in parallel and extending parallel to each other, and a foamed insulating material formed on the inner conductors by a collective extrusion coating and molding of a resin material by using a chemical foaming method and have a variation of foaming degree of not more than 1%. The variation of foaming degree is defined as a difference between a maximum value and a minimum value among foaming degrees (%) of the foamed insulating material at 20 positions at intervals of 50 cm in a longitudinal direction in an arbitrary part of 10 m cut out from the differential transmission cable.
    Type: Application
    Filed: March 7, 2013
    Publication date: September 12, 2013
    Applicant: Hitachi Cable, Ltd.
    Inventors: Masafumi KAGA, Sohei Kodama, Akinari Nakayama
  • CABLE HOLDING STRUCTURE
    Publication number: 20130233616
    Abstract: A cable holding structure includes a plate-shaped member having an opening, and a conductive wire holding portion holding a plurality of wires inserted therethrough, the wire holding portion being disposed in the opening and electrically connected to a braided shield that collectively covers the plurality of wires. The wire holding portion protrudes from the opening of the plate-shaped member and includes a plurality of through-holes extending in a direction orthogonal to the plate-shaped member. The plurality of wires are each enclosed in the through-holes. The braided shield is electrically connected to an outer surface of the wire holding portion protruding from the opening.
    Type: Application
    Filed: March 7, 2013
    Publication date: September 12, 2013
    Applicant: HITACHI CABLE, LTD.
    Inventors: Ken OKUYAMA, Takahiro FUTATSUMORI
  • ELECTRIC MOTOR AND CENTRALIZED POWER DISTRIBUTION MEMBER
    Publication number: 20130234549
    Abstract: An electric motor includes a stator including multiple phase windings wound around a plurality of teeth arranged in a circular pattern, and an annular bus ring arranged concentrically with the stator to supply drive current to the windings. The bus ring includes a metal conductor and a lead-out wire inserting portion for inserting a lead-out wire of the winding therethrough, the lead-out wire inserting portion being formed by bending the metal conductor. The lead-out wire inserting portion is crimped with the lead-out wire inserted therethrough such that the metal conductor is electrically connected to the lead-out wire.
    Type: Application
    Filed: March 11, 2013
    Publication date: September 12, 2013
    Applicants: HITACHI CABLE FINE-TECH, LTD., HITACHI CABLE, LTD.
    Inventors: Kenichi EGAMI, Kazuyuki WATANABE
  • ADHESIVE FILM AND FLAT CABLE USING THE SAME
    Publication number: 20130233590
    Abstract: There is provided an adhesive film, comprising: an insulator film; an adhesive layer formed on the insulator film; and an intermediate adhesive layer interposed between the insulator film and the adhesive layer, wherein the intermediate adhesive layer is made of a mixed resin composition of a copolyamide being a crystalline resin solvable in a non-halogen based organic solvent and having a melting point of 100° C. or more and 150° C. or less, and a non-crystalline resin, and the intermediate adhesive layer contains a non-halogen flame retardant by 100 pts.wt. or more and 250 pts.wt. or less with respect to 100 pts.wt. of the mixed resin composition.
    Type: Application
    Filed: March 1, 2013
    Publication date: September 12, 2013
    Applicant: HITACHI CABLE, LTD.
    Inventors: Daisuke SHANAI, Tomiya ABE
  • Cable including elemental wires with different angles
    Patent number: 8530745
    Abstract: A cable includes an insulated electric wire, a lateral winding layer formed by spirally winding an elemental wire having conductivity on a periphery of the insulated electric wire, a reversal lateral winding layer formed by spirally winding an elemental wire having conductivity in a direction intersecting with the winding direction of the lateral winding layer, a buffer layer formed between the lateral winding layer and the reversal lateral winding layer, and a sheath formed on a periphery of the reversal lateral winding layer. Each of a winding angle ?1 of the elemental wire forming the lateral winding layer and a winding angle ?2 of the elemental wire forming the reversal lateral winding layer is an acute angle, and an absolute value of difference between the winding angle ?1 and the winding angle ?2 is not more than 20 degrees.
    Type: Grant
    Filed: November 4, 2009
    Date of Patent: September 10, 2013
    Assignee: Hitachi Cable, Ltd.
    Inventor: Hirotaka Eshima
  • High voltage cabtire cable
    Patent number: 8532453
    Abstract: A high voltage cabtire cable 10 includes power cores 20 each of which has an inner semi-conductive layer 22, an insulation 23, and an outer semi-conductive layer 24 successively provided in this order around a copper conductor 21, and other cores 25, 30 stranded together with the power core 20, an inner sheath 11 and an outer sheath 13 successively provided in this order around peripheries of the power core 20 and the other cores 25, 30 stranded together, in which an adhesion force between the other cores 25, 30 and the inner sheath 11 is greater than an adhesion force between the power cores 20 and the inner sheath 11.
    Type: Grant
    Filed: February 14, 2011
    Date of Patent: September 10, 2013
    Assignee: Hitachi Cable, Ltd.
    Inventors: Masami Sorimachi, Yoshiaki Nakamura, Takenori Taki, Hirotaka Yoshida
  • GALLIUM NITRIDE SUBSTRATE AND OPTICAL DEVICE USING THE SAME
    Publication number: 20130230447
    Abstract: A gallium nitride substrate that a GaL?/CK? peak intensity ratio in EDX spectrum is not less than 2. The EDX spectrum is obtained in energy dispersive X-ray microanalysis (EDX) of a surface of the gallium nitride substrate using a scanning electron microscope (SEM) at an accelerating voltage of 3 kV.
    Type: Application
    Filed: February 28, 2013
    Publication date: September 5, 2013
    Applicant: Hitachi Cable, Ltd.
    Inventor: Shunsuke YAMAMOTO
  • MULTILAYER INSULATED WIRE
    Publication number: 20130228358
    Abstract: A multilayer insulated wire includes a conductor, an inner layer coated on an outer periphery of the conductor, the inner layer comprising a resin compound containing 100 parts by weight of base polymer containing modified-poly(2,6-dimethylphenyleneether) as a main component, and 10 to 100 parts by weight of calcined clay as additive, and an outer layer coated on an outer periphery of the inner layer, the outer layer including a polyester resin compound including 100 parts by weight of base polymer containing polyester resin as a main component, and 50 to 150 parts by weight of polyester block copolymer, 0.5 to 3 parts by weight of hydrolysis inhibitor, and 10 to 30 parts by weight of magnesium hydroxide.
    Type: Application
    Filed: March 4, 2013
    Publication date: September 5, 2013
    Applicant: HITACHI CABLE, LTD.
    Inventors: Kenichiro FUJIMOTO, Hitoshi KIMURA, Kiyoshi WATANABE, Hiroshi NAKASHIMA
  • CURRENT COLLECTOR COPPER FOIL OF NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, METHOD OF MANUFACTUING THE CURRENT COLLECTOR COPPER FOIL OF NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, METHOD OF MANUFACTURING NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY
    Publication number: 20130230765
    Abstract: There is provided a current collector copper foil of negative electrode for lithium ion secondary battery, including: at least 0.15 wt % or more and 0.40 wt % or less of Cr; and Cu as a remaining portion, wherein a Cr solid solution index Z is in a range of 0.05?Z?0.3 and represented by the following formula: Z=(RM?RS)/(RP?RS) . . . (1), wherein RM indicates an actually measured conductivity R (% IACS) of a negative battery current collector copper foil, and RS indicates a calculated value (% IACS) of conductivity R of the negative electrode current collector copper foil 10 in a case that a total content of Cr is solid-soluted, and conductivity RP indicates a calculated conductivity R (% IACS) of the negative electrode current collector copper foil 10 in a case that the total content of Cr is separated.
    Type: Application
    Filed: December 27, 2012
    Publication date: September 5, 2013
    Applicant: HITACHI CABLE, LTD.
    Inventors: Yoshiki SAWAI, Satoshi SEKI
  • Vehicle electrical conduction path
    Patent number: 8525029
    Abstract: A vehicle electrical conduction path includes plural power cables, a braided shield which bundles and shields the plural power cables, a control cable, a metallic pipe which accommodates the control cable separately from the plural power cables, and a flexible resin tube which covers a periphery of the metallic pipe and the plural power cables bundled with the braided shield and arranged along the metallic pipe.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: September 3, 2013
    Assignee: Hitachi Cable, Ltd.
    Inventors: Koichi Kato, Hajime Maejo, Toshiyuki Horikoshi