Patents Assigned to Nippon Light Metal Company, Ltd.
  • Patent number: 9778256
    Abstract: A biochip substrate which is free from cross-contamination due to spot spreading or contact with spots adjacent to each other, and a biochip using the same. A biochip substrate on which multiple valleys for immobilizing biological substances are formed so as to prevent cross-contamination due to spot spreading or contact with spots adjacent to each other, and a biochip using the same are provided. Moreover, it is found out that a desired binding in a target molecule contained in a test sample occurs at a detectable level in a solution system even in the case where a valley have such a small capacity as 1 nL to 10 nL.
    Type: Grant
    Filed: June 16, 2006
    Date of Patent: October 3, 2017
    Assignees: HIPEP LABORATORIES, NIPPON LIGHT METAL COMPANY, LTD.
    Inventors: Kiyoshi Nokihara, Yasuo Oka
  • Patent number: 9751478
    Abstract: A bumper reinforcement composed of a hollow shape material includes: a rear wall; an upper wall; a lower wall; a front wall; a partition wall located between the rear wall and the front wall and extending from the upper wall to the lower wall; an upper support wall and a lower support wall located between the upper wall and the lower wall and extending from the rear wall to the partition wall; and an intermediate support wall located between the upper wall and the lower wall and extending from the front wall to the partition wall. An intersection of the partition wall with the upper support wall is located above an intersection of the partition wall with the intermediate support wall, and an intersection of the partition wall with the lower support wall is located below the intersection of the partition wall with the intermediate support wall.
    Type: Grant
    Filed: May 14, 2014
    Date of Patent: September 5, 2017
    Assignees: Nikkeiken Aluminum Core Technology Company, Ltd., Nippon Light Metal Company, Ltd.
    Inventors: Taichi Terada, Shigenori Saito, Shoji Mochizuki
  • Patent number: 9724754
    Abstract: There are provided a method of manufacturing an aluminum product and a method of manufacturing an aluminum brake caliper each using die casting, for improving flow and run of molten metal during casting and enhancing productivity and quality. In a method of manufacturing an aluminum product provided with opposing portions opposed to each other with a hollow portion interposed in between, and connecting portions connecting the opposing portions at two sides thereof, the method includes a die casting step of performing casting by pouring molten metal of an aluminum alloy from a gate for the molten metal formed in one of the opposing portions via the connecting portions and a bridge connecting the two opposing portions, and a bridge removing step of removing the bridge.
    Type: Grant
    Filed: December 4, 2012
    Date of Patent: August 8, 2017
    Assignee: NIPPON LIGHT METAL COMPANY, LTD.
    Inventors: Shinya Sato, Takaaki Ikari
  • Patent number: 9716260
    Abstract: A battery case provided with a safety valve (4) in which a breakage groove (45) is used, wherein in order to stabilize the operation pressure, a lid (2) of the battery case has formed thereon: a thin plate portion (30) obtained by thinning a plate part (3); and a first recessed part (40) comprising a curved part (44) in which the thin plate portion (30) is indented inward, with respect to the case, in a curved shape. The breakage groove (45) for the safety valve (4) is formed at the bottom part (440) of the curved part (44). A first connecting portion (46) and a second connecting portion (47) of the plate part (3), which connect to the curved part (44) on both sides flanking the curved part (44), are at positions protruding toward the outside of the case from the plate part (3).
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: July 25, 2017
    Assignees: SOODE NAGANO CO., LTD., NIPPON LIGHT METAL COMPANY, LTD., NIKKEIKIN ALUMINIUM CORE TECHNOLOGY COMPANY LTD.
    Inventors: Keiji Kanamori, Shinichi Nomura, Yoshihiko Moriyama, Takayuki Sode, Yukinori Sugiyama
  • Patent number: 9702032
    Abstract: An aluminum alloy fin material for a heat exchanger having suitable strength before brazing enabling easy fin formation, having high strength after brazing, having a high thermal conductivity (electrical conductivity) after brazing, and having superior sag resistance, erosion resistance, self corrosion prevention, and sacrificial anode effect, a method of production of the same, and a method of production of a heat exchanger using the fin material are provided, that is, an aluminum alloy fin material having a chemical composition of Si: 0.7 to 1.4 wt %, Fe: 0.5 to 1.4 wt %, Mn: 0.7 to 1.4 wt %, and Zn: 0.5 to 2.5 wt %, Mg as an impurity limited to 0.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: July 11, 2017
    Assignee: Nippon Light Metal Company, Ltd.
    Inventors: Hideki Suzuki, Tomohiro Sasaki, Masae Nagasawa, Nobuki Takahashi
  • Patent number: 9657372
    Abstract: A manufacturing method of an inexpensive aluminum alloy that allows fine crystallization of the Al—Fe—Si compound and primary Si by employing a convenient and efficient means. To a molten aluminum alloy including 8 to 20% by mass of Si; 0.5 to 4% by mass of Fe; and, as necessary, at least any one of Mn and Cr; at least any one of Ni, Cu, and Mg; P; and the balance being Al and impurities, AlB2, which is present as a solid phase in molten metal upon crystallization of the Al—Fe—Si compound, is added in such an amount that B is in a range of 0.01 to 0.5% by mass with respect to entire molten aluminum alloy. As the AlB2, an Al—B alloy which includes B as the AlB2 may be used.
    Type: Grant
    Filed: December 24, 2013
    Date of Patent: May 23, 2017
    Assignee: Nippon Light Metal Company, Ltd.
    Inventors: Kazuhiro Oda, Tetsuya Kikuiri, Tomohiro Isobe, Hiroshi Okada
  • Publication number: 20170137956
    Abstract: Provided are a surface-treated aluminum material having, on an aluminum material formed of aluminum or an aluminum alloy, a porous anodically oxidized film of a uniformly porous type exhibiting no visually recognizable crystal grain pattern after anodic oxidation treatment, and a novel zinc-doped aluminum alloy suitable for manufacture of the surface-treated aluminum material. The surface-treated aluminum material includes an aluminum alloy base material and an anodically oxidized film formed on a surface thereof, in which the aluminum alloy base material is formed of a zinc-doped aluminum alloy having an alloy composition containing 0.05 mass % to 1 mass % of a Zn component, 0.02 mass % or less of inevitable impurities, and the balance of aluminum.
    Type: Application
    Filed: March 12, 2015
    Publication date: May 18, 2017
    Applicant: NIPPON LIGHT METAL COMPANY, LTD.
    Inventors: Yusuke SEKI, Ken EBIHARA
  • Patent number: 9653716
    Abstract: A battery case lid is formed by working a metal plate, and includes a substrate section and an explosion-proof valve formed in the substrate section. The explosion-proof valve has a reduced thickness section that is thinner than the substrate section, and the reduced thickness section is formed by extending the metal plate by applying pressure while the metal plate is kept unrestrained.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: May 16, 2017
    Assignees: SOODE NAGANO CO., LTD., NIPPON LIGHT METAL COMPANY, LTD.
    Inventors: Takayuki Sode, Yukinori Sugiyama, Shinichi Nomura, Masato Kobayashi
  • Publication number: 20170122389
    Abstract: A caliper comprises a hydraulic linking channel provided in a bridge section linking hydraulic cylinders, on an inner caliper section side, and hydraulic cylinders, on an outer caliper section side, to a cylinder-side hydraulic channel disposed on the back end of each respectively. A connecting channel forming section, which corresponds to each cylinder-side hydraulic channel and the hydraulic linking channel is provided, in advance, in a core used during casting of the inner caliper section, the outer caliper section, and the bridge section, and is formed by setting in a situation to be embedded at the same time as each caliper section and the bridge section are being integrally cast.
    Type: Application
    Filed: January 17, 2017
    Publication date: May 4, 2017
    Applicant: NIPPON LIGHT METAL COMPANY, LTD.
    Inventors: Takahiro KAWAMATA, Tetsuzo NISHIMURA
  • Patent number: 9599175
    Abstract: A caliper comprises a hydraulic linking channel provided in a bridge section linking hydraulic cylinders, on an inner caliper section side, and hydraulic cylinders, on an outer caliper section side, to a cylinder-side hydraulic channel disposed on the back end of each respectively. A connecting channel forming section, which corresponds to each cylinder-side hydraulic channel and the hydraulic linking channel is provided, in advance, in a core used during casting of the inner caliper section, the outer caliper section, and the bridge section, and is formed by setting in a situation to be embedded at the same time as each caliper section and the bridge section are being integrally cast.
    Type: Grant
    Filed: August 10, 2012
    Date of Patent: March 21, 2017
    Assignee: NIPPON LIGHT METAL COMPANY, LTD.
    Inventors: Takahiro Kawamata, Tetsuzo Nishimura
  • Patent number: 9599889
    Abstract: Provided are a method of manufacturing a support frame for a pellicle, capable of forming a sufficiently blackened anodic oxide film through anodic oxidation treatment and providing a support frame for a pellicle industrially inexpensively with ease, a support frame for a pellicle obtained by the method, and a pellicle. Specifically, provided are a method of manufacturing a support frame for a pellicle to be used as a pellicle including an optical thin film, the method including: annealing an aluminum material formed of an Al—Zn—Mg based aluminum alloy; and subjecting the aluminum material to anodic oxidation treatment in an alkaline solution to form an anodic oxide film having a lightness index L* value of 40 or less, a support frame for a pellicle obtained by the method, and a pellicle including the support frame for a pellicle and an optical thin film.
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: March 21, 2017
    Assignee: NIPPON LIGHT METAL COMPANY, LTD.
    Inventors: Takayuki Yamaguchi, Yoshihiro Taguchi, Akira Iizuka
  • Patent number: 9598790
    Abstract: Provided is a pellicle frame that can prevent generation of haze and reduces a surface glittering defect under irradiation with collected light, and a method of manufacturing the same. The pellicle frame is obtained by using an aluminum frame material having a structure satisfying predetermined conditions on the circle-equivalent diameters of a Mg2Si crystallized product, an AlCuMg crystallized product, an Al—Fe-based crystallized product (AlmFe or Al7Cu2Fe), and an Al2CuMg crystallized product and on the area ratios of those crystallized products each having a circle-equivalent diameter of 1 ?m or more, and in addition, subjecting the aluminum frame material to anodic oxidation processing using an alkaline electrolytic solution containing as an electrolyte a predetermined organic acid salt.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: March 21, 2017
    Assignee: NIPPON LIGHT METAL COMPANY, LTD.
    Inventors: Yoshihiro Taguchi, Takayuki Yamaguchi, Shingo Koizumi, Akira Iizuka, Kiyokazu Koga, Masato Yatsukura
  • Patent number: 9581897
    Abstract: The present invention provides a pellicle frame that can prevent generation of haze and reduces a surface glittering defect under irradiation with collected light, and a method of manufacturing the pellicle frame. Specifically, provided are a pellicle frame, including: an aluminum frame material formed of aluminum or an aluminum alloy; and an anodic oxide film on a surface of the aluminum frame material, in which the anodic oxide film includes a film formed by using an alkaline anodic oxidation solution and a film formed by using an acid anodic oxidation solution, and a method of manufacturing the pellicle frame.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: February 28, 2017
    Assignee: Nippon Light Metal Company, Ltd.
    Inventors: Takayuki Yamaguchi, Yoshihiro Taguchi
  • Patent number: 9566661
    Abstract: The invention aims at providing a friction stir welding method which can achieve joining a butting portion to a deep location therein by reducing the load on the friction stirring device. The friction stir welding method for joining two metal members (1) using a primary joining rotary tool (F) with a stirring pin (F2) includes a primary joining process in which a rotating stirring pin (F2) is moved to the butting portion formed by butting the metal members (1) against each other and friction stir welding is carried out. In the primary joining process, only the stirring pin (F2) is brought into contact with the metal members (1).
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: February 14, 2017
    Assignee: NIPPON LIGHT METAL COMPANY, LTD.
    Inventors: Nobushiro Seo, Hisashi Hori
  • Patent number: 9561539
    Abstract: A gas pressure controlled casting mold is disclosed having a hot-top introducing a molten metal of aluminum or aluminum alloy, and a mold body which passes the molten metal of aluminum or aluminum alloy introduced from the hot-top through a molten metal passage portion for cooling and solidification and semi-continuously or continuously casting a billet of aluminum or aluminum alloy. A wall surface of the molten metal passage portion of the mold body is provided with a plurality of lubricating oil blow-out holes for blowing out a lubricating oil. A lubricating oil supply passage is communicatively connected to each lubricating oil blow-out hole and is independently formed at least in a range of a heat affected portion in the mold body. This allows the mold body to be reliably cooled regardless of the difference in the temperature and casting speed conditions and thus can achieve favorable continuous casting.
    Type: Grant
    Filed: June 30, 2008
    Date of Patent: February 7, 2017
    Assignee: Nippon Light Metal Company, Ltd.
    Inventors: Kaoru Sugita, Takeshi Fujita, Eikichi Sagisaka
  • Publication number: 20160376725
    Abstract: Provided is a method of performing electropolishing treatment on an aluminum material, which is capable of easily producing an aluminum material having an excellent outer appearance with luster and uniformity on an industrial scale. The method of performing electropolishing treatment on an aluminum material includes immersing the aluminum material in an electrolytic treatment solution in an electrolytic treatment tank, and applying an electrolysis voltage through use of the aluminum material as an anode, to thereby perform electropolishing treatment on a surface of the aluminum material, the method including: performing, as pretreatment for the electropolishing treatment, anodic oxidation treatment; performing, during the electropolishing treatment, bubble-diffusion-preventing treatment; and performing, as post-treatment for the electropolishing treatment, film peeling treatment for an electropolishing film.
    Type: Application
    Filed: October 31, 2014
    Publication date: December 29, 2016
    Applicant: NIPPON LIGHT METAL COMPANY, LTD.
    Inventors: Yusuke SEKI, Ken EBIHARA
  • Patent number: 9474146
    Abstract: A metal circuit board and a metal base plate are bonded to a ceramic substrate to form a metal-ceramic bonded substrate, then the metal base plate is arranged on one surface of the radiator via a brazing material with the metal base plate overlapping with the one surface of the radiator, a jig having a concave R surface is arranged on another surface of the radiator with the jig butting against the another surface of the radiator, a jig having a convex R surface protruding toward the metal-ceramic bonded substrate is brought into contact with another surface of the metal circuit board, and the metal-ceramic bonded substrate and the radiator are heat-bonded while they are pressurized by the radiator side jig and the metal-ceramic bonded substrate side jig, wherein a curvature radius R (mm) of the convex R surface and the concave R surface is 6500?R?surface pressure (N/mm2)×2000+12000.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: October 18, 2016
    Assignees: NIPPON LIGHT METAL COMPANY, LTD., DOW A METALTECH CO., LTD.
    Inventors: Hisashi Hori, Takanori Kokubo, Hideyo Osanai, Kunihiko Chihara
  • Patent number: D798829
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: October 3, 2017
    Assignee: NIPPON LIGHT METAL COMPANY, LTD
    Inventors: Eiji Anzai, Takumi Nakamura
  • Patent number: D798830
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: October 3, 2017
    Assignee: NIPPON LIGHT METAL COMPANY, LTD
    Inventors: Eiji Anzai, Takumi Nakamura
  • Patent number: D798831
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: October 3, 2017
    Assignee: NIPPON LIGHT METAL COMPANY, LTD
    Inventors: Eiji Anzai, Takumi Nakamura