Patents Assigned to NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
  • Patent number: 10446767
    Abstract: Disclosed is an organic electroluminescent device (organic EL device) that is improved in luminous efficiency, sufficiently secures driving stability, and has a simple construction. The device is an organic electroluminescent device having organic layers including a light-emitting layer between an anode and a cathode laminated on a substrate, in which a carborane compound is incorporated into at least one layer of the organic layers, or is incorporated as a host material into a light-emitting layer containing a phosphorescent light-emitting dopant and the host material. The carborane compound has a structure in which a N-containing fused aromatic ring is bonded to a carborane ring. The N-containing fused aromatic ring is a quinoline ring or has a structure obtained by substituting 1 to 3 ring-forming carbon atoms in a quinoline ring with N atoms.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: October 15, 2019
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Tokiko Ueda, Junya Ogawa, Takahiro Kai, Masashi Tada
  • Patent number: 10439148
    Abstract: A compound represented by the general formula (1) is useful as a light emitting material. In the general formula (1), Ar1 to Ar3 represent an aryl group, provided that Ar2 and Ar3 are the same as each other, and at least one of Ar1 to Ar3 represents an aryl group substituted with a group represented by the general formula (2). In the general formula (2), R1 to R8 represent a hydrogen atom or a substituent; Z represents O, S, R9—N, (R10) (R11)C, or (R12) (R13)Si; and R9 to R13 each independently represent a hydrogen atom or a substituent.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: October 8, 2019
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: James MacDonald, Melissa Skidmore, Kazunori Ueno, Hiroshi Miyazaki, Chihaya Adachi
  • Patent number: 10418601
    Abstract: A steel foil for a power storage device container includes a rolled steel foil which has a thickness of 200 ?m or less, a diffusion alloy layer which is formed on a surface layer of the rolled steel foil and contains Ni and Fe, and a chromium-based surface treatment layer which is formed on the diffusion alloy layer. The <111> polar density in a reverse pole figure of the diffusion alloy layer in a rolling direction is 2.0 to 6.0, and the aspect ratio of crystal in a surface of the diffusion alloy layer is 1.0 to 5.0.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: September 17, 2019
    Assignees: NIPPON STEEL CORPORATION, NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Masaharu Ibaragi, Koichi Nose, Kiyokazu Ishizuka, Yasuto Goto, Shuji Nagasaki, Hiroto Unno
  • Patent number: 10414002
    Abstract: A bonding wire for a semiconductor device includes a Cu alloy core material and a Pd coating layer formed on a surface thereof. Containing an element that provides bonding reliability in a high-temperature environment improves the bonding reliability of the ball bonded part in high temperature. Furthermore, making an orientation proportion of a crystal orientation <100> angled at 15 degrees or less to a wire longitudinal direction among crystal orientations in the wire longitudinal direction 30% or more when measuring crystal orientations on a cross-section of the core material in a direction perpendicular to a wire axis of the bonding wire, and making an average crystal grain size in the cross-section of the core material in the direction perpendicular to the wire axis of the bonding wire 0.9 to 1.5 ?m provides a strength ratio of 1.6 or less.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: September 17, 2019
    Assignees: NIPPON MICROMETAL CORPORATION, NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Takashi Yamada, Daizo Oda, Teruo Haibara, Ryo Oishi, Kazuyuki Saito, Tomohiro Uno
  • Patent number: 10411198
    Abstract: The present invention discloses an organic electroluminescent (EL) device having improved luminous efficiency, sufficiently secured driving stability, and a simple construction. The organic EL device of the present invention includes, between an anode and a cathode laminated on a substrate, an organic layer including a material for a luminescent device, in which the material for a luminescent device includes a carborane compound. The carborane compound includes a branched carborane compound in which three or more carborane rings bonded to one another through an aromatic group are present, at least one dibenzothiophene ring is present, and the at least one dibenzothiophene ring is bonded to the carborane ring.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: September 10, 2019
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Junya Ogawa, Masashi Tada, Tokiko Ueda, Takahiro Kai
  • Patent number: 10403906
    Abstract: A fuel cell electrode catalyst includes a carbon support having pores, and catalyst particles supported on the carbon support and containing platinum or a platinum alloy. The pores of the fuel cell electrode catalyst have a mode pore size within a range from 2 nm to 5 nm. In the pores of the fuel cell electrode catalyst, a pore volume of pores having pore sizes within the range from 2 nm to 5 nm is 0.4 cm3/g or larger. The catalyst particles have a crystallite size within the range from 2 nm to 5 nm at a platinum (220) plane. A density of the supported catalyst particles is within a range from 10% by mass to 50% by mass with respect to a total mass of the fuel cell electrode catalyst.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: September 3, 2019
    Assignees: Toyota Jidosha Kabushiki Kaisha, NIPPON STEEL Chemical & Material Co., Ltd.
    Inventors: Yusuke Itoh, Toru Yamamoto
  • Patent number: 10378412
    Abstract: A metal substrate for catalytic converter for purifying an exhaust gas includes a honeycomb core with metal flat foil and corrugated foil stacked in layers, and an oxide film having a thickness of 0.1 ?m or more and 10 ?m or less is formed in a predetermined range including an exposed end surface exposed toward the gas inlet side. The oxide film contains at least a first alumina including ?-alumina and a Fe oxide. The ?-alumina contains ?-alumina with solid-solved Fe and ?-alumina with no solid-solved Fe. In the oxide film, the content of the first alumina is 30% by mass or more and 99.5% by mass or less, the content of the Fe oxide is 0.5% by mass or more and 40% by mass or less, and the content of Fe is more than 7% by mass and 35% by mass or less.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: August 13, 2019
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Tooru Inaguma, Shinji Kawasoe, Yasuhiro Tsumura, Shogo Konya, Masayuki Kasuya, Takuzo Kako, Masafumi Omizu
  • Patent number: 10381320
    Abstract: The present invention provides a bonding wire which can satisfy bonding reliability, spring performance, and chip damage performance required in high-density packaging. A bonding wire contains one or more of In, Ga, and Cd for a total of 0.05 to 5 at %, and a balance being made up of Ag and incidental impurities.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: August 13, 2019
    Assignees: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD., NIPPON MICROMETAL CORPORATION
    Inventors: Tetsuya Oyamada, Tomohiro Uno, Hiroyuki Deai, Daizo Oda
  • Patent number: 10376870
    Abstract: Provided is a catalyst block for cleaning exhaust gas, having: a square-shaped honeycomb core provided with first-fourth outside surfaces; a first plate attached to the first outside surface; a second plate attached to the second outside surface; and an exterior frame disposed along the outer periphery of the firm and solid honeycomb core formed from the honeycomb core, the first plate and the second plate, the exterior frame being provided with a recessed part that at least encases the first plate, the second plate, the third outside surface and the fourth outside surface. In the catalyst block, a catalyst is supported in the honeycomb core, the first plate and the second plate, and the catalyst is not supported in the exterior frame.
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: August 13, 2019
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Takeshi Shinoda, Hidehiko Morita, Masayuki Kasuya, Taro Kono
  • Publication number: 20190233633
    Abstract: Provided is a resin composition that exhibits satisfactory impregnability into reinforcing fibers, while having rapid curability, and that is suitable for fiber-reinforced composite materials producing molded articles having high heat resistance. A two-pack resin composition for fiber-reinforced composite materials is configured of a base material including an epoxy resin (A) and a (meth)acrylate compound (B) having three or more (meth) acryloyl groups in a molecule, and a curing agent including an amine compound (C) represented by the following general formula (1), a mass ratio of the base material to the curing agent being within the range of from 35:15 to 65:35, Wherein the epoxy resin (A) includes 75% by mass to 100% by mass of a bisphenol A epoxy resin; the base material has a viscosity of 10,000 mPa·s or less; and the curing agent has a viscosity of 800 mPa·s or less. X—(CH2NH2)n (1) (In the formula, X represents an n-valent organic group having 1 to 16 carbon atom; and n represents 2 or 3).
    Type: Application
    Filed: October 12, 2017
    Publication date: August 1, 2019
    Applicant: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Yuichi TANIGUCHI, Kyohei KANO
  • Patent number: 10361378
    Abstract: Provided is a practically useful organic EL element having high efficiency and high driving stability while being capable of being driven at a low voltage. The organic EL element has a light-emitting layer and any other organic layer between an anode and a cathode opposite to each other. The light-emitting layer contains at least two host materials and at least one light-emitting dopant. At least one of the host materials is a host material selected from compounds each having one or two indolocarbazole skeletons, and at least one of the other host materials is a host material selected from carbazole compounds each substituted with a dibenzofuran or a dibenzothiophene.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: July 23, 2019
    Assignees: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD., PIONEER CORPORATION, TOHOKU PIONEER CORPORATION
    Inventors: Masashi Tada, Takahiro Kai, Katsuhide Noguchi, Yasuhiro Takahashi, Yuhki Terao, Taishi Tsuji, Yusuke Nakajima, Toshinao Yuki
  • Patent number: 10355286
    Abstract: A fuel cell electrode catalyst includes a carbon support having pores, and catalyst particles supported on the carbon support and containing platinum or a platinum alloy. The pores of the fuel cell electrode catalyst have a mode pore size within a range from 2 nm to 5 nm. In the pores of the fuel cell electrode catalyst, a pore volume of pores having pore sizes within the range from 2 nm to 5 nm is 0.4 cm3/g or larger. The catalyst particles have a crystallite size within the range from 2 nm to 5 nm at a platinum (220) plane. A density of the supported catalyst particles is within a range from 10% by mass to 50% by mass with respect to a total mass of the fuel cell electrode catalyst.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: July 16, 2019
    Assignees: Toyota Jidosha Kabushiki Kaisha, NIPPON STEEL Chemical & Material Co., Ltd.
    Inventors: Yusuke Itoh, Toru Yamamoto
  • Patent number: 10340460
    Abstract: Provided is a practically useful organic electroluminescent device (organic EL device) having high efficiency and high driving stability while being capable of being driven at a low voltage. The organic electroluminescent device includes a light-emitting layer between an anode and a cathode opposite to each other. The light-emitting layer contains two host materials and at least one light-emitting dopant. One of the two host materials is a host material selected from an indolocarbazole compound having one indolocarbazole ring and an indolocarbazole compound having two indolocarbazole rings, and the other thereof is a host material selected from carbazole compounds.
    Type: Grant
    Filed: March 25, 2013
    Date of Patent: July 2, 2019
    Assignees: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD., PIONEER CORPORATION, TOHOKU PIONEER CORPORATION
    Inventors: Takayuki Fukumatsu, Katsuhide Noguchi, Masashi Tada, Mitsuru Sakai, Tohru Asari, Kazuto Shiraishi, Takahiro Kai, Yasuhiro Takahashi, Yuhki Terao, Taishi Tsuji, Yusuke Nakajima, Toshinao Yuki
  • Patent number: 10305048
    Abstract: Disclosed are an organic electroluminescent device that is improved in luminous efficiency, sufficiently secures driving stability, and has a simple construction, and a material for an organic electroluminescent device to be used in the device. The material is a material for an organic electroluminescent device formed of a carborane compound having an indolocarbazole skeleton and one or two or more carborane groups each bonded thereto directly or through a divalent group. In addition, the device is an organic electroluminescent device having organic layers including a light-emitting layer between an anode and a cathode laminated on a substrate, in which at least one layer of the organic layers contains the material for an organic electroluminescent device. In addition, the device is an organic electroluminescent device containing, as a host material for a light-emitting layer containing a phosphorescent light-emitting dopant and the host material, the material for an organic electroluminescent device.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: May 28, 2019
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Junya Ogawa, Takahiro Kai, Tokiko Ueda, Masashi Tada, Masaki Komori, Toshihiro Yamamoto
  • Patent number: 10283721
    Abstract: Disclosed are an organic electroluminescent device (organic EL device) having improved luminous efficiency, sufficiently secured driving stability, and a simple construction, and a material for an organic EL device. The material for an organic EL device includes a carborane compound having a structure in which at least one carborane ring and at least one dibenzothiophene ring are present, and the at least one carborane ring is bonded to the at least one dibenzothiophene ring at position 1, 2, or 3. In addition, the organic EL device includes, between an anode and a cathode laminated on a substrate, at least one organic layer, in which the at least one organic layer includes the carborane compound.
    Type: Grant
    Filed: November 5, 2014
    Date of Patent: May 7, 2019
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Junya Ogawa, Masashi Tada, Tokiko Ueda, Takahiro Kai
  • Patent number: 10266637
    Abstract: Provided are a polyurethane-modified epoxy resin composition having satisfactory operability of processing, such as casting or impregnation, in a composition state, a production method therefor, and a composition thereof. The polyurethane-modified epoxy resin is obtained by modifying a secondary hydroxyl group-containing bisphenol-based epoxy resin (a) having an epoxy equivalent from 150 g/eq to 200 g/eq and a hydroxyl equivalent from 2,000 g/eq to 2,600 g/eq with a polyol compound (b) having an Mn of 200 or more, a polyisocyanate compound (c), and a polyol compound (d) having an Mn of less than 200 serving as a chain extender. The polyurethane-modified epoxy resin uses the epoxy resin (a) in an amount from 20 wt % to 60 wt % with respect to the total amount of the respective components (a), (b), (c), and (d), and contains a polyurethane having the epoxy resin (a) added to both terminals thereof and/or one terminal thereof.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: April 23, 2019
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Eisuke Yamada, Naoki Yokoyama, Tohru Kunitake
  • Patent number: 10207373
    Abstract: A nickel particle composition is shown, including: A) a nickel particle having an average particle size in the range of 0.5 ?m to 20 ?m obtained via a laser diffraction/scattering method and containing 50 wt % or more of a nickel element; B) a nickel fine particle having an average primary particle size in the range of 30 nm to 200 nm observed via a scanning electron microscope and containing 50 wt % or more of a nickel element; and C) an organic binder in the range of 0.1 wt % to 2.5 wt % relative to the total metal content; and the weight ratio of a component A to a component B (component A:component B) is in the range of 30:70 to 70:30.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: February 19, 2019
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventor: Takayuki Shimizu