Patents by Inventor Takayuki Tsuji

Takayuki Tsuji 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: 20170368599
    Abstract: A copper alloy material manufacturing equipment for manufacturing a copper alloy material by continuously casting molten copper. The equipment includes an element adding means for adding a metal element to the molten copper, a tundish for holding the molten copper containing the metal element, a pouring nozzle connected to the tundish to feed the molten copper from the tundish, and a trapping member arranged inside the tundish and including a same type of material as at least one of an oxide of the metal element, a nitride of the metal element, a carbide of the metal element and a sulfide of the metal element.
    Type: Application
    Filed: June 14, 2017
    Publication date: December 28, 2017
    Inventors: Keisuke Fujito, Shohei Hata, Takayuki Tsuji, Hiromitsu Kuroda
  • Patent number: 9769933
    Abstract: A printed circuit board includes a substrate, and a wiring provided on the substrate. The wiring includes a copper-based metal wire provided on the substrate and a surface-treated layer provided on the copper-based metal wire. The copper-based metal wire includes mainly a copper. The surface-treated layer includes an amorphous layer including oxygen and a metal with a higher oxygen affinity than the copper.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: September 19, 2017
    Assignee: HITACHI METALS, LTD.
    Inventors: Hideyuki Sagawa, Keisuke Fujito, Takayuki Tsuji, Kotaro Tanaka, Hiromitsu Kuroda
  • Publication number: 20170259361
    Abstract: An electrical discharge machining electrode wire includes a core including a copper or a copper alloy, and a covering layer covering a periphery of the core and including a zinc. The covering layer includes an inner layer including a ?-phase of copper-zinc based alloy and covering the periphery of the core, and an outer layer including an ?-phase of copper-zinc based alloy and covering a periphery of the inner layer. An x-ray diffraction intensity of (0001) of the ?-phase is more than twice an x-ray diffraction intensity of (332) of the ?-phase.
    Type: Application
    Filed: November 7, 2014
    Publication date: September 14, 2017
    Applicant: Hitachi Metals, Ltd.
    Inventor: Takayuki TSUJI
  • Publication number: 20170261265
    Abstract: There is provide an apparatus for manufacturing a copper alloy metal material, including: a tundish in which molten copper is stored; a pouring nozzle through which the molten copper passes, the molten copper being flowed out from the tundish; a pressure variation device that varies a pressure applied to the pouring nozzle by the molten copper; and a controller that controls the pressure variation device so as to remove inclusions adhered to the pouring nozzle, by increasing the pressure applied to the pouring nozzle by the molten copper.
    Type: Application
    Filed: March 2, 2017
    Publication date: September 14, 2017
    Inventors: Keisuke FUJITO, Shohei Hata, Takayuki Tsuji, Hiromitsu Kuroda
  • Publication number: 20170072489
    Abstract: An electrical discharge machining electrode wire includes a core including a copper or a copper alloy, and a covering layer that covers a periphery of the core and includes a zinc. The covering layer includes an outermost layer consisting of an ?-phase of a copper-zinc based alloy. The outermost layer has a Vickers hardness of 200 to 300 Hv.
    Type: Application
    Filed: January 7, 2015
    Publication date: March 16, 2017
    Inventors: Takayuki TSUJI, Hiromitsu KURODA, Tetsuya TOKUMITSU, Takamitsu KIMURA, Yosuke SHIBA, Hiroshi MATSUZAKI, Yuichi KOMURO, Shingo AMAMIYA
  • Publication number: 20170016090
    Abstract: A copper alloy material production method is provided. A copper raw material including not higher than 30 ppm by mass of oxygen is melted to form a molten copper. Not lower than 4 ppm by mass and not higher than 55 ppm by mass of titanium is added to the molten copper. After the adding of the titanium, not lower than 100 ppm by mass and not higher than 7000 ppm by mass of magnesium is added.
    Type: Application
    Filed: February 24, 2016
    Publication date: January 19, 2017
    Inventors: Shohei HATA, Takayuki TSUJI, Hiromitsu KURODA, Keisuke FUJITO
  • Publication number: 20170014927
    Abstract: An electrical discharge machining electrode wire includes a core including a copper or a copper alloy, and a covering layer that covers a periphery of the core and includes a zinc. The covering layer includes an outermost layer consisting of an s-phase of a copper-zinc based alloy. The outermost layer has a Cu concentration of 12 to 20 mass % and a variation range within 5 mass % in the Cu concentration in a longitudinal direction of the electrode wire.
    Type: Application
    Filed: January 7, 2015
    Publication date: January 19, 2017
    Inventors: Takayuki TSUJI, Hiromitsu KURODA, Tetsuya TOKUMITSU, Takamitsu KIMURA, Yosuke SHIBA, Hiroshi MATSUZAKI, Yuichi KOMURO, Shingo AMAMIYA
  • Publication number: 20160327304
    Abstract: A transmission relaying apparatus includes a signal receiving unit receiving a signal, transmitted from a transmission path, as a received signal; an abnormality detection unit detecting whether abnormality occurs in the received signal; and a threshold setting unit setting a preset threshold to be used for detection of abnormality by the abnormality detection unit. The threshold setting unit includes a peak value detection unit detecting a peak value of the signal level of the test signal received as the received signal by the signal receiving unit, when a test signal is output from a communication diagnostic apparatus; a threshold obtaining unit obtaining the preset threshold based on the peak value detected by the peak value detection unit; and a threshold holding unit storing the preset threshold, obtained by the threshold obtaining unit, as a preset threshold to be used by the abnormality detection unit.
    Type: Application
    Filed: March 24, 2014
    Publication date: November 10, 2016
    Inventors: Takayuki TSUJI, Koji RIKUKAWA
  • Publication number: 20160289443
    Abstract: An encapsulating resin composition contains a thermosetting resin component, a curing accelerator, an inorganic filler, an ion trapping agent, and an aromatic monocarboxylic acid having one or more electron-withdrawing functional groups selected from a nitro group and a cyano group. The encapsulating resin composition is solid at 25° C., and has a sulfur content, measured by X-ray fluorescence analysis, of 0.1 mass % or less in terms of SO3.
    Type: Application
    Filed: March 21, 2016
    Publication date: October 6, 2016
    Inventors: EMI IWATANI, KAZUTO OGAWA, KOTA ISHIKAWA, TAKAYUKI TSUJI
  • Patent number: 9182806
    Abstract: An electronic device, comprising: an execution unit which executes a predetermined function; a first control unit that has an input terminal and causes the execution unit to execute the predetermined function; a power source unit that supplies power at least to the first control unit; and a second control unit that has an output terminal connected to the input terminal of the first control unit via a signal line, operates to output a signal to the first control unit via the signal line, and causes the power source unit to cut off power supply to the first control unit, and wherein the second control unit keeps a potential of the signal line at a reference level lower than or equal to a predetermined threshold while the second control unit causes the power source unit to cut off power supply to the first control unit.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: November 10, 2015
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Atsushi Tanaka, Takayuki Tsuji
  • Patent number: 9109078
    Abstract: A polymer polyol (I) is provided that is formed of a polyol (A), polymer particles (B) obtained by polymerization of an ethylenically unsaturated compound (b), and an active-hydrogen-containing compound (d) having an aromatic ring and having a number-average molecular weight of 150 to 2,000, wherein a content of (d) is 1 to 20% on the basis of a weight of (B). The polymer polyol of the present invention contains polymer particles having sufficiently small particle diameters, has a low viscosity, and has excellent handleability. A polyurethane resin obtained by using the polymer polyol of the present invention has excellent mechanical strengths such as elongation at break.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: August 18, 2015
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Takayuki Tsuji, Shigekuni Nakada, Yukiya Kobayashi, Katsuya Uchida
  • Patent number: 9062148
    Abstract: A method for producing a fine-particle-dispersed polyol (I) is provided, the method including the steps (1) and (n?1): the step (1) of polymerizing an ethylenically unsaturated monomer (b) in a polyol (a), in the presence of fine particles (P1) and a radical polymerization initiator (c), so as to obtain a fine-particle-dispersed polyol intermediate (B2); and the step (n?1) of polymerizing (b) in a fine-particle-dispersed polyol intermediate (B(n?1)), in the presence of (c), so as to obtain a fine-particle-dispersed polyol intermediate (Bn) or the fine-particle-dispersed polyol (I), where n represents an integer of 3 to 7, wherein (P1) have a volume-average particle diameter (R1) of 0.01 ?m to 1.0 ?m, and a concentration of (b) in the step (1) is 7 wt % to 40 wt %.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: June 23, 2015
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Shigekuni Nakada, Takayuki Tsuji, Yukiya Kobayashi
  • Publication number: 20150156870
    Abstract: A printed circuit board includes a substrate, and a wiring provided on the substrate. The wiring includes a copper-based metal wire provided on the substrate and a surface-treated layer provided on the copper-based metal wire. The copper-based metal wire includes mainly a copper. The surface-treated layer includes an amorphous layer including oxygen and a metal with a higher oxygen affinity than the copper.
    Type: Application
    Filed: October 15, 2014
    Publication date: June 4, 2015
    Inventors: Hideyuki SAGAWA, Keisuke FUJITO, Takayuki TSUJI, Kotaro TANAKA, Hiromitsu KURODA
  • Publication number: 20150155402
    Abstract: A solder joint material includes a copper-based metal material including mainly a copper, a surface-treated layer that is provided on the copper-based metal material and includes an amorphous layer including oxygen and a metal with a higher oxygen affinity than a copper, and a Sn-based solder plating layer provided on the surface-treated layer.
    Type: Application
    Filed: September 26, 2014
    Publication date: June 4, 2015
    Inventors: Hideyuki SAGAWA, Keisuke FUJITO, Takayuki TSUJI, Hiromitsu KURODA
  • Patent number: 8963981
    Abstract: An image forming apparatus includes a control unit performing a first rotation control process of switching on and off current-supplying in accordance with a change in a first deviation between a first rotation speed of a brushless motor and a target speed regardless of a change in an integrated value of the first deviation; a second rotation control process of calculating an integrated value of a second deviation between a second rotation speed of the brushless motor and the target speed, and switching on and off the current-supplying in accordance with a change in the second deviation and a change in the integrated value of the second deviation; and a rotation control switching process of switching to the second rotation control process when it is determined that the first deviation has entered a prescribed range during the first rotation control process.
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: February 24, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Kazushi Shumiya, Tasuku Sugimoto, Hironori Hirata, Takayuki Tsuji
  • Patent number: 8907226
    Abstract: A conductor for a flexible substrate, used for a flexible flat cable or disposed inside a flexible printed-circuit board, according to the present invention comprises: a base conductor made of Cu or Cu-alloy; a plating film made of Sn or Sn-alloy formed on a surface of the base conductor; and a surface oxide film formed on a surface of the plating film, in which the surface oxide film includes oxide of an element other than Sn or a mixture of Sn oxide and oxide of an element other than Sn.
    Type: Grant
    Filed: March 11, 2008
    Date of Patent: December 9, 2014
    Assignee: Hitachi Metals, Ltd.
    Inventors: Takayuki Tsuji, Toshiyuki Horikoshi, Masato Ito
  • Publication number: 20140288238
    Abstract: A polymer polyol (I) is provided that is formed of a polyol (A), polymer particles (B) obtained by polymerization of an ethylenically unsaturated compound (b), and an active-hydrogen-containing compound (d) having an aromatic ring and having a number-average molecular weight of 150 to 2,000, wherein a content of (d) is 1 to 20% on the basis of a weight of (B). The polymer polyol of the present invention contains polymer particles having sufficiently small particle diameters, has a low viscosity, and has excellent handleability. A polyurethane resin obtained by using the polymer polyol of the present invention has excellent mechanical strengths such as elongation at break.
    Type: Application
    Filed: June 4, 2014
    Publication date: September 25, 2014
    Inventors: Takayuki TSUJI, Shigekuni NAKADA, Yukiya KOBAYASHI, Katsuya UCHIDA
  • Patent number: 8810653
    Abstract: A vehicle surroundings monitoring apparatus capable of distinguishing and determining an object type with high reliability, particularly a vehicle surroundings monitoring apparatus capable of determining an object by distinguishing between a pedestrian and other objects among the objects with high reliability. The vehicle surroundings monitoring apparatus detects an object existing around a vehicle (10) from images obtained by cameras 2R and 2L mounted on the vehicle (10) and includes an object extraction process unit (steps 1 to 9) which extracts an object from the image, a width calculation process unit (steps 101 to 104) which calculates widths of the object in a plurality of height positions spaced at vertical intervals of the object extracted by the object extraction process unit, and an object type determination process unit (step 105) which determines the type of the object based on the widths calculated by the width calculation process unit.
    Type: Grant
    Filed: February 28, 2007
    Date of Patent: August 19, 2014
    Assignee: Honda Motor Co., Ltd.
    Inventors: Nobuharu Nagaoka, Takayuki Tsuji, Yoichi Sugimoto, Morimichi Nishigaki
  • Patent number: 8772405
    Abstract: A polymer polyol (I) is provided that is formed of a polyol (A), polymer particles (B) obtained by polymerization of an ethylenically unsaturated compound (b), and an active-hydrogen-containing compound (d) having an aromatic ring and having a number-average molecular weight of 150 to 2,000, wherein a content of (d) is 1 to 20% on the basis of a weight of (B). The polymer polyol of the present invention contains polymer particles having sufficiently small particle diameters, has a low viscosity, and has excellent handleability. A polyurethane resin obtained by using the polymer polyol of the present invention has excellent mechanical strengths such as elongation at break.
    Type: Grant
    Filed: September 25, 2008
    Date of Patent: July 8, 2014
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Takayuki Tsuji, Shigekuni Nakada, Yukiya Kobayashi, Katsuya Uchida
  • Patent number: 8455591
    Abstract: A polyol composition comprising a polyol (a) and resin fine particles (b) dispersed in the polyol (a), and a method for producing the polyol composition are provided, wherein the resin fine particles (b) are particles such that an arithmetic standard deviation by volume of a particle size distribution of the particles, derived from respective values in 85 divisions of a range of 0.020 to 2000 ?m determined by a laser diffraction/scattering particle size distribution analyzer, is not more than 0.6. A resin fine particle-dispersed polyol composition that, even if the resin particles dispersed in the polyol have a small particle diameter, allows the production of a polyurethane resin having an excellent mechanical strength such as elongation at break, and a method for producing the same, are provided.
    Type: Grant
    Filed: August 16, 2011
    Date of Patent: June 4, 2013
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Shigekuni Nakada, Hiroyuki Watanabe, Takayuki Tsuji, Hiroki Mori