Patents Assigned to Mitsubishi Cable Industries, Ltd.
  • Patent number: 9057443
    Abstract: A metal seal of a non-circular ring which shows uniform sealing ability on whole periphery. The whole configuration of the metal seal is a non-circular ring having an R-shaped curved portion and a straight portion, and a cross-sectional configuration of the metal seal is changed as to make cantilever flexural rigidity larger on the straight portion than on the R-shaped curved portion.
    Type: Grant
    Filed: January 16, 2013
    Date of Patent: June 16, 2015
    Assignee: MITSUBISHI CABLE INDUSTRIES, LTD.
    Inventor: Satoshi Tohdoh
  • Publication number: 20150144235
    Abstract: A copper alloy trolley wire includes: 0.12 mass % to 0.40 mass % of Co; 0.040 mass % to 0.16 mass % of P; 0.005 mass % to 0.70 mass % of Sn; and the balance including Cu and unavoidable impurities, wherein precipitates have an average grain size of equal to or greater than 10 nm, and the number of precipitates having a grain size of equal to or greater than 5 nm is 90% or greater of the total number of observed precipitates, and a heat resistance HR defined by HR=TS1/TS0×100 in which TS0 is an initial tensile strength and TS1 is a tensile strength after holding the copper alloy trolley wire at 400° C. for 2 hours, is equal to or greater than 90%.
    Type: Application
    Filed: July 31, 2012
    Publication date: May 28, 2015
    Applicants: MITSUBISHI MATERIALS CORPORATION, MITSUBISHI CABLE INDUSTRIES, LTD.
    Inventors: Tetsuya Ashida, Kouji Hashimoto, Hitoshi Nakamoto, Norikazu Ishida
  • Publication number: 20150136281
    Abstract: A copper alloy wire of the present invention consists of a precipitation strengthening type copper alloy containing Co, P, and Sn, wherein an average grain size of precipitates observed through cross-sectional structure observation immediately after performing an aging heat treatment is equal to or greater than 15 nm and a number of precipitates having grain sizes of equal to or greater than 5 nm is 80% or higher of a total number of observed precipitates, and the copper alloy wire is subjected to cold working after the aging heat treatment.
    Type: Application
    Filed: July 31, 2012
    Publication date: May 21, 2015
    Applicants: MITSUBISHI CABLE INDUSTRIES, LTD., MITSUBISHI MATERIALS CORPORATION
    Inventors: Hitoshi Nakamoto, Norikazu Ishida, Kazunari Maki, Hiroyuki Mori, Tetsuya Ashida
  • Patent number: 9003647
    Abstract: A stator structure includes: a stator core (104) having a large number of concave slots (105) and a large number of convex magnetic poles (106) circumferentially alternately arranged; and magnet wires (101) of rectangular cross section in each of which an insulating coating (103) is formed on the outer surface of a metal wire (102), wherein each of the slots (105) is formed so that the distance (W2) between both the side surfaces (109, 109) of the slot (105) gradually decreases from the bottom (107) to a distal opening (108) of the slot (105), each of the magnet wires (101) is wound around the associated magnetic pole (106) and inserted in tiers in the associated slot (105), and the magnet wire (101) is placed in the slot (105) so that the width (W1) thereof continuously or stepwise decreases from the bottom (107) to the distal opening (108) of the slot (105).
    Type: Grant
    Filed: March 11, 2011
    Date of Patent: April 14, 2015
    Assignee: Mitsubishi Cable Industries, Ltd.
    Inventors: Hiroyuki Kamibayashi, Yasunori Kashima, Takafumi Tanabe, Takeshi Ikeda, Yasushi Kawakami
  • Patent number: 8915775
    Abstract: An exhaust system includes: an exhaust pressure controller interposed in an exhaust passage and including: a pipe body including a side peripheral wall in which at least one port is formed; and a gas introduction wall for introducing an exhaust gas flowing from an upstream side of the pipe body so that the exhaust gas flows downstream without coming into direct contact with the port and vicinity thereof, one face of the gas introduction wall forming a pressure control path together with an inner face of the side peripheral wall while another face of the gas introduction wall forming an exhaust gas path along which the exhaust gas flows. The port communicates with the pressure control path, and the pressure control path communicates with the exhaust gas path at part downstream of the port.
    Type: Grant
    Filed: April 24, 2007
    Date of Patent: December 23, 2014
    Assignees: Mitsubishi Cable Industries, Ltd., Spansion LLC
    Inventors: Takeshi Ikeda, Kazuo Koizumi, Hiroyuki Takeda, Tetsuo Koyama, Keiichi Watanabe
  • Patent number: 8814175
    Abstract: A metal seal which can be fastened by low fastening force and can show sufficient sealing ability when receiving fluid pressure. The metal seal is composed a U-shaped metal thin seal and a reinforcing outer-fit member which receives side wall portions and a bottom wall portion of the thin seal from a back side.
    Type: Grant
    Filed: January 16, 2013
    Date of Patent: August 26, 2014
    Assignee: Mitsubishi Cable Industries, Ltd.
    Inventor: Satoshi Tohdoh
  • Patent number: 8794477
    Abstract: According to the present invention, a sealing material for a high-pressure hydrogen container, which mainly comprises a silicone rubber composed of a dimethyl siloxane segment, a methyl vinyl siloxane segment, and a diphenyl siloxane segment, and a high-pressure hydrogen container using the sealing material are provided. In order to seal a high-pressure hydrogen container (CHG tank) system for fuel cell vehicles with an elastomer, the elastomer has (1): excellent durability in a variable pressure environment of high-pressure hydrogen; and (2): excellent sag resistance in low-temperature to high-temperature environments, and thus the significant technical objectives (1) and (2) have been achieved.
    Type: Grant
    Filed: February 8, 2008
    Date of Patent: August 5, 2014
    Assignees: Toyota Jidosha Kabushiki Kaisha, Mitsubishi Cable Industries, Ltd.
    Inventors: Itsuo Kamiya, Rentaro Mori, Kazuhiko Kobiki, Masashi Hamakubo
  • Patent number: 8698043
    Abstract: A grip member with an electric heater, in which the surface of a core body when a heater is installed is flat. A metal conductive plate, such as a SUS plate with a thickness of about 30 ?m formed in a belt-like shape, is spirally embedded along a flat groove section provided in a core body, the surface of the core body is made flat, and the metal conductive plate is fixed at both ends to the core body. An electric current is passed through the metal conductive plate to cause it to generate heat.
    Type: Grant
    Filed: September 5, 2005
    Date of Patent: April 15, 2014
    Assignee: Mitsubishi Cable Industries, Ltd.
    Inventors: Yuichi Fukuda, Michiyasu Watanabe, Kouzo Sasaki, Satoru Fujiwara
  • Publication number: 20140066314
    Abstract: In a coated high-temperature superconducting wire 1 in which a superconducting yttrium-based wire (high-temperature superconducting wire) 2 having a rectangular cross section is coated by an insulating layer 6, the insulating layer 6 is an electrodeposited film made of block copolymerized polyimide which contains siloxane bonds in a polyimide main chain and which has molecules with anionic groups. A coil formed from the superconducting yttrium-based wire 2 is impregnated with epoxy resin, and the epoxy resin is cured. The coil is configured such that the epoxy resin is completely separated from the superconducting yttrium-based wire 2 by the insulating layer 6.
    Type: Application
    Filed: October 23, 2012
    Publication date: March 6, 2014
    Applicants: RIKEN, MITSUBISHI CABLE INDUSTRIES, LTD., NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY
    Inventors: Hideaki Maeda, Masato Takahashi, Yoshinori Yanagisawa, Hideki Nakagome, Keita Oobuchi, Hiroyuki Kamibayashi
  • Patent number: 8662504
    Abstract: A tight-seal construction provided with a metal seal and a holding plate composed of a thin plate having a through window portion. A hitching concave peripheral groove is formed on a peripheral face of the metal seal, and the metal seal is held by the holding plate having a claw portion hitching to the concave peripheral groove and provided with a strap elastic portion protruding from an inner peripheral end edge of the through window portion as to freely and elastically deform in axial directions and radial directions.
    Type: Grant
    Filed: May 13, 2010
    Date of Patent: March 4, 2014
    Assignee: Mitsubishi Cable Industries, Ltd.
    Inventors: Takahiro Kariya, Satoshi Tohdoh
  • Patent number: 8628094
    Abstract: A metal seal to improve sealing function by increasing contact pressure under a final assembly state with keeping low fastening force. A metal seal of block shape has a first contact convex portion, a middle base portion, and a second contact convex portion. The first contact convex portion and the second contact convex portion are quarter-circular.
    Type: Grant
    Filed: March 17, 2010
    Date of Patent: January 14, 2014
    Assignee: Mitsubishi Cable Industries, Ltd.
    Inventors: Satoshi Tohdoh, Takahiro Kariya
  • Patent number: 8606065
    Abstract: An optical fiber (10) includes: a core (11); a first cladding (12) surrounding the core (11) and having a lower refractive index than the core (11); and a second cladding (13) surrounding the first cladding (12) and having a lower refractive index than the first cladding (12). The first cladding (12) is doped with light attenuating dopant so that a concentration of the light attenuating dopant in the first cladding (12) increases from an inner surface of the first cladding (12) toward an outer surface of the first cladding (12).
    Type: Grant
    Filed: August 21, 2009
    Date of Patent: December 10, 2013
    Assignee: Mitsubishi Cable Industries, Ltd.
    Inventors: Haruo Ooizumi, Masatoshi Tanaka, Masayoshi Hachiwaka, Takaharu Kinoshita, Mamoru Hashimoto
  • Patent number: 8599079
    Abstract: Disclosed is an antenna capable of receiving a very wide band of frequencies. The antenna includes a pair of antenna elements and a pair of feeding legs, which are arranged symmetrically with respect to a line L, with a narrow space G in between.
    Type: Grant
    Filed: October 14, 2009
    Date of Patent: December 3, 2013
    Assignee: Mitsubishi Cable Industries, Ltd.
    Inventors: Toshio Kudo, Shoji Nasu, Kazuyuki Kashihara, Toshiyuki Baba
  • Patent number: 8554036
    Abstract: A graded index multimode optical fiber (10) includes: a core (11) having an outside diameter of 45-65 ?m; a first cladding (12) surrounding the core (11); a second cladding (13) surrounding the first cladding (12) and made of a material having a lower refractive index than the first cladding (12); and a third cladding (14) surrounding the second cladding (13) and made of a material having a higher refractive index than the second cladding (13). The ratio of the outside diameter of the first cladding (12) to the outside diameter of the core (11) is 1.15-1.25.
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: October 8, 2013
    Assignee: Mitsubishi Cable Industries, Ltd.
    Inventors: Haruo Ooizumi, Syuichi Kusunoki, Takaharu Kinoshita, Masayoshi Hachiwaka
  • Patent number: 8532455
    Abstract: An optical fiber includes a core (1a) having an oblong rectangular or square cross section and made of quartz, a cladding (2) surrounding the core (1a), having a circular outer cross-sectional shape, having a lower refractive index than the core (1a), and made of resin, and a support layer (3) surrounding the cladding (2) and made of quartz.
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: September 10, 2013
    Assignee: Mitsubishi Cable Industries, Ltd.
    Inventors: Tadahiko Nakai, Takaharu Kinoshita, Takeshi Satake, Takeji Akutsu, Motohiko Yamasaki
  • Patent number: 8525736
    Abstract: An antenna element has an upstanding section erected from a base member; a tuning section extended from the upper end of the upstanding section into one direction in a parallel plane parallel to the base member, bent in the middle, and then extended in the direction opposite the one direction; and an open element section extended from the front end of the tuning section in the direction in which the open element section spirally turns in the parallel plane about the upstanding section.
    Type: Grant
    Filed: July 3, 2008
    Date of Patent: September 3, 2013
    Assignees: Mitsubishi Cable Industries, Ltd., Mitsubishi Materials Corporation
    Inventors: Shinsuke Yukimoto, Takao Yokoshima
  • Publication number: 20130193650
    Abstract: A metal seal which can be fastened by low fastening force and can show sufficient sealing ability when receiving fluid pressure. The metal seal is composed a U-shaped metal thin seal and a reinforcing outer-fit member which receives side wall portions and a bottom wall portion of the thin seal from a back side.
    Type: Application
    Filed: January 16, 2013
    Publication date: August 1, 2013
    Applicant: MITSUBISHI CABLE INDUSTRIES, LTD.
    Inventor: MITSUBISHI CABLE INDUSTRIES, LTD.
  • Publication number: 20130187343
    Abstract: A metal seal of a non-circular ring which shows uniform sealing ability on whole periphery. The whole configuration of the metal seal is a non-circular ring having an R-shaped curved portion and a straight portion, and a cross-sectional configuration of the metal seal is changed as to make cantilever flexural rigidity larger on the straight portion than on the R-shaped curved portion.
    Type: Application
    Filed: January 16, 2013
    Publication date: July 25, 2013
    Applicant: MITSUBISHI CABLE INDUSTRIES, LTD.
    Inventor: Mitsubishi Cable Industries, Ltd.
  • Patent number: 8481889
    Abstract: A handle grip member with electric heater can be produced in high yield through simple processing not using any core of synthetic resin and avoiding molding operation. Depressed groove (4) is spirally provided on an external surface of inner part (1) of rubber, and multiple ribs (5) are provided on an internal surface thereof along the direction of length. Electric heater (7) of tape-shaped metal conductor is implanted in the depressed groove (4), and fixed. Electric wires (8a,8b) are connected to two ends of the electric heater (7) and drawn out. The inner part (1) is inserted in outer part (9) of rubber tube, and the outer part (9) is fixed to the inner part (1) with the use of an adhesive, etc.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: July 9, 2013
    Assignee: Mitsubishi Cable Industries, Ltd.
    Inventors: Satoru Fujiwara, Kouzou Sasaki, Yuichi Fukuda
  • Patent number: 8446324
    Abstract: Provided is an antenna device with which the degradation of characteristics arising from the fact that the antenna has been miniaturized and made thinner is reduced and in which it is possible to increase the gain and to widen the coverage area by improving the characteristics of the internal antenna. The device is equipped with a circuit board, a wireless circuit component which is mounted on the substrate, an internal antenna which is connected to the wireless circuit component which is mounted on the substrate, a circuit-side ground pattern which is connected to the wireless circuit component which is mounted on the substrate, and a dedicated antenna ground paten which is connected to the internal antenna which is mounted on the circuit board.
    Type: Grant
    Filed: May 11, 2009
    Date of Patent: May 21, 2013
    Assignees: Mitsubishi Cable Industries, Ltd., Mitsubishi Materials Corporation
    Inventors: Shinsuke Yukimoto, Takao Yokoshima