Patents by Inventor Makoto Watanabe

Makoto Watanabe 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).

  • Patent number: 10192662
    Abstract: In a method for producing a grain-oriented electrical steel sheet by comprising a series of steps of hot rolling a raw steel material comprising C: 0.002-0.10 mass %, Si: 2.0-8.0 mass %, and Mn: 0.005-1.0 mass %, subjecting the steel sheet to a hot band annealing as required, cold rolling to obtain a cold rolled sheet having a final sheet thickness, subjecting the steel sheet to primary recrystallization annealing combined with decarburization annealing, applying an annealing separator to the steel sheet surface and then subjecting to final annealing, rapid heating is performed at a rate of not less than 50° C./s in a region of 200-700° C. in the heating process of the primary recrystallization annealing, and the steel sheet is held at any temperature of 250-600° C. in the above region for 1-10 seconds, while a soaking process of the primary recrystallization annealing is controlled to a temperature range of 750-900° C., a time of 90-180 seconds and PH2O/PH2 in an atmosphere of 0.25-0.
    Type: Grant
    Filed: February 12, 2014
    Date of Patent: January 29, 2019
    Assignee: JFE Steel Corporation
    Inventors: Makoto Watanabe, Takeshi Imamura, Ryuichi Suehiro, Toshito Takamiya
  • Publication number: 20180371621
    Abstract: Provided is a treatment solution for chromium-free tension coating that can simultaneously achieve excellent moisture absorption resistance and a high iron loss reduction effect obtained by imparting sufficient tension, by using an inexpensive Ti source instead of expensive Ti chelate. The treatment solution for chromium-free tension coating contains: one or more of phosphates of Mg, Ca, Ba, Sr, Zn, Al, and Mn; colloidal silica in an amount of 50 parts by mass to 120 parts by mass per 100 parts by mass of the phosphate in terms of solid content of SiO2; Ti source in an amount of 30 parts by mass to 50 parts by mass per 100 parts by mass of the phosphate in terms of solid content of TiO2; and H3PO4, and the number of moles of metallic elements in the phosphate and of phosphorus in the treatment solution satisfy: 0.20?([Mg]+[Ca]+[Ba]+[Sr]+[Zn]+[Mn]+1.5[Al])/[P]?0.45??(1).
    Type: Application
    Filed: August 30, 2018
    Publication date: December 27, 2018
    Applicant: JFE STEEL CORPORATION
    Inventors: Takashi TERASHIMA, Makoto WATANABE, Masanori UESAKA, Ryuichi SUEHIRO, Toshito TAKAMIYA
  • Publication number: 20180371620
    Abstract: Provided is a treatment solution for chromium-free tension coating that can simultaneously achieve excellent moisture absorption resistance and a high iron loss reduction effect obtained by imparting sufficient tension, by using an inexpensive Ti source instead of expensive Ti chelate. The treatment solution for chromium-free tension coating contains: one or more of phosphates of Mg, Ca, Ba, Sr, Zn, Al, and Mn; colloidal silica in an amount of 50 parts by mass to 120 parts by mass per 100 parts by mass of the phosphate in terms of solid content of SiO2; Ti source in an amount of 30 parts by mass to 50 parts by mass per 100 parts by mass of the phosphate in terms of solid content of TiO2; and H3PO4, and the number of moles of metallic elements in the phosphate and of phosphorus in the treatment solution satisfy: 0.20?([Mg]+[Ca]+[Ba]+[Sr]+[Zn]+[Mn]+1.5[Al])/[P]?0.45??(1).
    Type: Application
    Filed: August 30, 2018
    Publication date: December 27, 2018
    Applicant: JFE STEEL CORPORATION
    Inventors: Takashi TERASHIMA, Makoto WATANABE, Masanori UESAKA, Ryuichi SUEHIRO, Toshito TAKAMIYA
  • Publication number: 20180350834
    Abstract: According to one embodiment, it includes a stacked body including N-number of layers (N is an integer of 2 or more) stacked on a semiconductor substrate, opening portions penetrating the stacked body in a stacking direction, columnar bodies respectively disposed in the opening portions, and a slit dividing M-number of layers (M is an integer of 1 or more and (N-2) or less) of the stacked body in a horizontal direction from above, wherein the slit is formed with lateral surfaces respectively having a spatial periodicity in a horizontal plane.
    Type: Application
    Filed: July 23, 2018
    Publication date: December 6, 2018
    Applicant: Toshiba Memory Corporation
    Inventors: Genki Kawaguchi, Masanari Fujita, Hideki Inokuma, Osamu Matsuura, Takeshi Imamura, Hideo Wada, Makoto Watanabe, Hajime Kaneko, Kenichi Fujii, Takanobu Itoh
  • Publication number: 20180281451
    Abstract: A thermal head includes: a substrate; a heat generating section which is disposed on the substrate; a plurality of driving ICs including first and second driving ICs which are disposed on the substrate and electrically coupled to the heat generating section; and a cover member covering the first and second driving ICs. The cover member is disposed in an inter-driving IC region between the first driving IC and the second driving IC and above and below the inter-driving IC region, and includes a first void.
    Type: Application
    Filed: September 26, 2016
    Publication date: October 4, 2018
    Applicant: KYOCERA Corporation
    Inventors: Arata OKAYAMA, Hisatoshi TAKADA, Tatsuru SETO, Makoto WATANABE
  • Patent number: 10087529
    Abstract: Provided is a treatment solution for chromium-free tension coating that can simultaneously achieve excellent moisture absorption resistance and a high iron loss reduction effect obtained by imparting sufficient tension, by using an inexpensive Ti source instead of expensive Ti chelate. The treatment solution for chromium-free tension coating contains: one or more of phosphates of Mg, Ca, Ba, Sr, Zn, Al, and Mn; colloidal silica in an amount of 50 parts by mass to 120 parts by mass per 100 parts by mass of the phosphate in terms of solid content of SiO2; Ti source in an amount of 30 parts by mass to 50 parts by mass per 100 parts by mass of the phosphate in terms of solid content of TiO2; and H3PO4, and the number of moles of metallic elements in the phosphate and of phosphorus in the treatment solution satisfy: 0.20?([Mg]+[Ca]+[Ba]+[Sr]+[Zn]+[Mn]+1.5[Al])/[P]?0.45??(1).
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: October 2, 2018
    Assignee: JFE STEEL CORPORATION
    Inventors: Takashi Terashima, Makoto Watanabe, Masanori Uesaka, Ryuichi Suehiro, Toshito Takamiya
  • Patent number: 10074665
    Abstract: According to one embodiment, it includes a stacked body including N-number of layers (N is an integer of 2 or more) stacked on a semiconductor substrate, opening portions penetrating the stacked body in a stacking direction, columnar bodies respectively disposed in the opening portions, and a slit dividing M-number of layers (M is an integer of 1 or more and (N?2) or less) of the stacked body in a horizontal direction from above, wherein the slit is formed with lateral surfaces respectively having a spatial periodicity in a horizontal plane.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: September 11, 2018
    Assignee: TOSHIBA MEMORY CORPORATION
    Inventors: Genki Kawaguchi, Masanori Fujita, Hideki Inokuma, Osamu Matsuura, Takeshi Imamura, Hideo Wada, Makoto Watanabe, Hajime Kaneko, Kenichi Fujii, Takanobu Itoh
  • Publication number: 20180251899
    Abstract: Provided is an insulative coating processing liquid with which an insulative coating can be obtained. The insulative coating processing liquid contains: at least one phosphate selected from the group consisting of Mg, Ca, Ba, Sr, Zn, Al, and Mn; and two or more types of colloidal silicas having different mean particle diameters, wherein the total contained amount of the colloidal silicas in terms of the SiO2 solid content is 50-120 parts by mass with respect to 100 parts by mass of the solid content of the phosphate, a mean particle diameter ratio expressed as ri+1/ri is not lower than 1.5 when the mean particle diameters of the colloidal silicas are represented in an ascending order, and a mass ratio expressed as wi+1/(wi+1+wi) is 0.30-0.90 when the masses of the colloidal silicas in terms of the SiO2 solid content are represented in an ascending order of the respective mean particle diameters.
    Type: Application
    Filed: September 1, 2016
    Publication date: September 6, 2018
    Applicant: JFE STEEL CORPORATION
    Inventors: Takashi Terashima, Ryuichi Suehiro, Makoto Watanabe, Toshito Takamiya
  • Publication number: 20180230565
    Abstract: A grain-oriented electrical steel sheet has a coating on a surface thereof. The coating has a composite elastic modulus of 60 GPa to 95 GPa and a film thickness of 1.0 ?m or more, and a tension applied to the grain-oriented electrical steel sheet by the coating is 6.0 MPa or more, and an amount of iron loss degradation between before and after roll reduction when the grain-oriented electrical steel sheet is roll-reduced at a linear pressure of 68.6 N/cm is 0.010 W/kg or less in W17/50.
    Type: Application
    Filed: September 21, 2016
    Publication date: August 16, 2018
    Applicant: JFE STEEL CORPORATION
    Inventors: Makoto WATANABE, Toshito TAKAMIYA, Ryuichi SUEHIRO, Takashi TERASHIMA
  • Patent number: 10020103
    Abstract: A grain oriented electrical steel sheet reduces local exfoliation of insulating coating films and thus has excellent corrosion resistance and insulation properties. The grain oriented electrical steel sheet may be obtained by, assuming that a1 (?m) is a film thickness of the insulating coating at the floors of linear grooves and a2 (?m) is a film thickness of the insulating coating on a surface of the steel sheet at portions other than the linear grooves, controlling a1 and a2 to satisfy the following formulas (1) and (2): 0.3 ?m?a2?3.5 ?m??(1), and a1/a2?2.5??(2).
    Type: Grant
    Filed: September 28, 2011
    Date of Patent: July 10, 2018
    Assignee: JFE Steel Corporation
    Inventors: Makoto Watanabe, Seiji Okabe, Toshito Takamiya
  • Patent number: 9941589
    Abstract: There is provided a non-contact communication antenna including a first antenna pattern that is formed on one surface of a base material, and a second antenna pattern that is formed on a back surface of the one surface of the base material. The first antenna pattern includes a first coil section and a first electrode section. The second antenna pattern includes a second coil section and a second electrode section. Capacitance of the first electrode section and the second electrode section compensates a change in capacitance depending on a formation situation of the first coil section and the second coil section.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: April 10, 2018
    Assignee: Sony Corporation
    Inventors: Mitsugi Iwahashi, Jinichi Morimura, Hiroyuki Takubo, Makoto Watanabe, Hiroshi Uchida
  • Publication number: 20180087477
    Abstract: An EGR apparatus configured to circulate exhaust gas discharged from an exhaust manifold of an engine to an intake manifold of the engine includes: an EGR cooler disposed at a downstream side of the exhaust manifold and configured to cool the exhaust gas discharged from the exhaust manifold; a pair of EGR valves disposed at an upstream side from the intake manifold and configured to adjust an amount of the exhaust gas to be supplied to the intake manifold; and an exhaust gas connector that establishes communication between the EGR cooler and the exhaust manifold, in which the exhaust gas connector includes a cooling water path to which cooling water for cooling the exhaust gas flowing inside the exhaust gas connector is supplied.
    Type: Application
    Filed: September 26, 2016
    Publication date: March 29, 2018
    Inventors: Yasuhiro Kamoshida, Tatsuya Iwazaki, Makoto Watanabe, Tomohiro Horiuchi
  • Publication number: 20180087158
    Abstract: Provided are an insulation-coated oriented magnetic steel sheet having an insulating coat with excellent heat resistance; and a method for manufacturing the same. This insulation-coated oriented magnetic steel sheet has an oriented magnetic steel sheet, and an insulating coat arranged on the surface of the oriented magnetic steel sheet, the insulating coat containing Si, P, O, and Cr, and at least one element selected from the group consisting of Mg, Ca, Ba, Sr, Zn, Al, and Mn. The XPS spectrum of the outermost surface of the insulating coat has peaks observed at Cr2p1/2 and Cr2p3/2.
    Type: Application
    Filed: March 11, 2016
    Publication date: March 29, 2018
    Applicant: JFE STEEL CORPORATION
    Inventors: Takashi Terashima, Kazutoshi Hanada, Ryuichi Suehiro, Makoto Watanabe, Toshito Takamiya
  • Publication number: 20180080127
    Abstract: Provided are an insulating-coated oriented magnetic steel sheet having an insulating coating of excellent heat resistance, and a method for manufacturing the same. This insulating-coated oriented magnetic steel sheet has an oriented magnetic steel sheet, and an insulating coating arranged on the surface of the oriented magnetic steel sheet. The insulating coating contains Si, P, and O, and at least one element selected from the group consisting of Mg, Ca, Ba, Sr, Zn, Al, and Mn, the K-absorption edge of the P in the insulating coating having an XAFS spectrum that exhibits three absorption peaks from 2156 eV to 2180 eV.
    Type: Application
    Filed: March 11, 2016
    Publication date: March 22, 2018
    Applicant: JFE STEEL CORPORATION
    Inventors: TAKASHI TERASHIMA, Kazutoshi Hanada, Ryuichi Suehiro, Makoto Watanabe, Toshito Takamiya
  • Patent number: 9919722
    Abstract: A railroad vehicle includes a plurality of vehicle units, a cable, and a disconnector. In the plurality of vehicle units respective vehicles are coupled. The cable is placed astride the vehicles to connect the power supply unit of each vehicle unit. The disconnector is installed at some midpoint in the cable and electrically separates the vehicle units from one another.
    Type: Grant
    Filed: February 12, 2014
    Date of Patent: March 20, 2018
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Kenji Tsuchiya, Ayumu Morita, Makoto Watanabe, Yoshinori Shimada, Hideo Kitabayashi, Wataru Murata
  • Publication number: 20180044588
    Abstract: A flat plate-shaped phosphor member includes a plurality of granular single crystal phosphors, each of which including a YAG crystal as a mother crystal, the YAG crystal having a composition represented by a formula of Y3-x-yGdxCeyAl5O12-w (0.03?x?0.2, 0.003?y?0.2, ?0.2?w?0.2). Reduction of fluorescence intensity of the phosphor is less than 3% when an excitation light wavelength is 460 nm and a temperature is increased from 25° C. to 100° C.
    Type: Application
    Filed: October 4, 2017
    Publication date: February 15, 2018
    Inventors: Makoto WATANABE, Daisuke INOMATA, Kazuo AOKI, Kiyoshi SHIMAMURA, Encarnacion Antonia GARCIA VILLORA
  • Patent number: 9890471
    Abstract: [Object] To provide a production method capable of producing a gallium nitride crystal at a lower pressure. [Solution] Provided is a method for producing a gallium nitride crystal, the method including a step of heating metal gallium and iron nitride in a nitrogen atmosphere at least to a reaction temperature at which the metal gallium and the iron nitride react.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: February 13, 2018
    Assignee: DEXERIALS CORPORATION
    Inventors: Makoto Watanabe, Shinya Akiyama, Tatsuya Matsumoto
  • Publication number: 20180030559
    Abstract: In a grain-oriented electrical steel sheet including: a steel substrate; a ceramic base film; and an insulating coating, critical damage shear stress ? between the base film and the steel substrate is 50 MPa or more. Thus, a grain-oriented electrical steel sheet having excellent insulation property, stacking factor, and magnetic property is provided without coating damage even when magnetic domain refining treatment by thermal strain is performed.
    Type: Application
    Filed: February 12, 2016
    Publication date: February 1, 2018
    Applicant: JFE STEEL CORPORATION
    Inventors: Masanori UESAKA, Makoto WATANABE, Shigehiro TAKAJO
  • Publication number: 20180026552
    Abstract: An electrostatic induction generator includes a housing, a first board fixed to the housing, and a second board arranged in parallel to the first board to be able move relative to it, in which electrostatic induction generator, counter electrodes are placed at a first facing surface of the first board, electrically charged films are placed at every other constant interval at a second facing surface of the second board so as to face the counter electrodes, the counter electrodes are comprised of pluralities of first electrodes and second electrodes provided separated from each other at the first facing surface, first electrodes and second electrodes are alternately arranged at constant intervals in a single line, a plurality of lines of single lines of the first electrodes and second electrodes are provided at the first facing surface, and the constant intervals of the plurality of lines respectively differ in phase.
    Type: Application
    Filed: January 5, 2016
    Publication date: January 25, 2018
    Inventors: Yoichi NAGATA, Akira SHIOTA, Makoto WATANABE, Akira IZUMI, Takashi IHARA
  • Patent number: D839444
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: January 29, 2019
    Assignee: A.L.M.T. CORP.
    Inventors: Yoshitake Fukaya, Masahiro Kato, Makoto Watanabe, Kiyohide Sasaki