Patents by Inventor Koichiro Ueda

Koichiro Ueda 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: 20170216881
    Abstract: This coated steel sheet comprises: a steel sheet; a primer coating film that is arranged on the steel sheet and contains a chromic acid-based rust preventive pigment and aggregate that serves as primary particles, while not containing porous particles; and a top coating film that is arranged on the primer coating film. The aggregate satisfies the following formula (1) and formula (2). D10?0.6T (1) D90<2.0T (2) (In the formulae, D10 represents the 10% particle diameter (?m) of the aggregate in the number-based cumulative particle size distribution; D90 represents the 90% particle diameter (?m) of the aggregate in the number-based cumulative particle size distribution; and T represents the film thickness (?m) of a portion of the primer coating film, in which the aggregate is not present.
    Type: Application
    Filed: December 16, 2014
    Publication date: August 3, 2017
    Inventors: Shinji TAKAOKA, Takahide HAYASHIDA, Koichiro UEDA, Yasunori FUJIMOTO, Naho KAWAHARA, Katsumi OWA
  • Publication number: 20170218519
    Abstract: Provided is a coated metal sheet for exterior use, having a metal sheet, and a top coat film situated on the metal sheet. The top coat film contains 0.2-15 volume percent of a gloss control agent composed of porous particles and a delustering agent composed of primary particles. The coated metal sheet satisfies the following expressions in which, in the number-size distribution of the gloss control agent and the delustering agent, R is the number-average particle diameter (?m) of the gloss control agent, D197.5 and D297.5 are 97.5% particle diameter values (?m) of the gloss control agent and the delustering agent, Ru is the upper limit particle diameter (?m) of the gloss control agent, and T is the film thickness (?m) of the top coat film. D197.5/T?0.7 Ru?1.2T R?1.0 2.0?D297.5/T?7.0 13?T?20.
    Type: Application
    Filed: December 16, 2014
    Publication date: August 3, 2017
    Inventors: Taketo HARA, Koichiro UEDA, Kenji SAKATO, Kazuhiko TAKAHASHI
  • Patent number: 9722528
    Abstract: A motor control device includes a power-consumption calculator that calculates a power loss L according to a motor current I or according to the motor current I and a motor velocity v, and calculates a motor output W from a product of the motor velocity v and a torque ? or thrust force, to determine whether a regenerative resistance is in an energized state. When the regenerative resistance is in an energized state, if a total value W+L of the power loss L and the motor output W is equal to or greater than 0 (W+L?0), the power-consumption calculator calculates a power consumption P as W+L, and if a total value W+L of the power loss L and the motor output W is less than 0 (W+L<0), the power-consumption calculator calculates the power consumption P=0.
    Type: Grant
    Filed: March 5, 2014
    Date of Patent: August 1, 2017
    Assignee: Mitsubishi Electric Corporation
    Inventor: Koichiro Ueda
  • Publication number: 20170183787
    Abstract: The present invention is to provide a photocatalyst electrode for water decomposition exhibiting a high photocurrent density and having reduced dark current. The photocatalyst electrode for water decomposition of the present invention has a photocatalyst layer and a current collector layer that is formed by a vapor deposition method and is disposed on the photocatalyst layer.
    Type: Application
    Filed: March 10, 2017
    Publication date: June 29, 2017
    Applicants: FUJIFILM Corporation, Japan Technological Research Association of Artificial Photosynthetic Chemical Process, THE UNIVERSITY OF TOKYO, TOKYO UNIVERSITY OF SCIENCE FOUNDATION
    Inventors: Chisato KATAYAMA, Kazunari DOMEN, Akihiko KUDO, Ryo NIISHIRO, Yongbo KUANG, Masaharu YAMAGUCHI, Koichiro UEDA
  • Publication number: 20170145569
    Abstract: The coated metal plate pertaining to the present invention is a coated metal plate for exterior use, and has a metal plate and a top coating film disposed on the metal plate. The top coating film contains 0.01-15 vol % of porous particles as a gloss adjusting agent, and the coated metal plate satisfies the expressions below. In the expressions below, R is the number-average particle diameter (?m), D97.5 is the diameter (?m) of 97.5% of the particles, Ru is the upper limit particle diameter (?m), and T is the film thickness (?m) of the top coating film in the number particle size distribution of the gloss adjusting agent. D97.5/T?0.7; Ru?1.2T; R?1.0; 3?T?20.
    Type: Application
    Filed: December 16, 2014
    Publication date: May 25, 2017
    Applicant: NISSHIN STEEL CO., LTD.
    Inventors: Taketo HARA, Koichiro UEDA, Kenji SAKATO, Kazuhiko TAKAHASHI
  • Publication number: 20170015837
    Abstract: A coated steel sheet comprises: a steel sheet; a primer coating film which is arranged on the steel sheet and comprises an anti-corrosive pigment and an aggregate composed of primary particles; and a top coating film which is arranged on the primer coating film. The anti-corrosive pigment comprises at least one compound selected from the group consisting of a bivalent tin salt, a trivalent vanadium salt, a tetravalent vanadium salt, a tetravalent molybdenum salt, an oxycarboxylic acid salt, an ascorbic acid, a phosphorous acid salt and a hypophosphorous acid salt.
    Type: Application
    Filed: March 24, 2014
    Publication date: January 19, 2017
    Inventors: Shinji TAKAOKA, Takahide HAYASHIDA, Koichiro UEDA, Yasunori FUJIMOTO, Naho KAWAHARA, Katsumi OWA
  • Patent number: 9535426
    Abstract: A positioning control device according to an embodiment includes an amplifier that includes a converter that rectifies and outputs an AC power supply to bus-bars; a smoothing capacitor that smoothes an output of the converter and generates a bus voltage; a regenerative resistance and a regenerative transistor; an inverter that supplies a drive current; and a command generation unit that generates a position command value for positioning control of a mechanical load in accordance with a command pattern. The inverter is connected between the bus-bars and supplies the drive current. The command generation unit acquires a regenerative-power-amount estimated value and an energy value storable in the smoothing capacitor; and on the basis of a result of a comparison between these values, it decides whether to use the position command value on the basis of the command pattern.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: January 3, 2017
    Assignee: Mitsubishi Electric Corporation
    Inventors: Koichiro Ueda, Yoshihiro Marushita
  • Publication number: 20160306369
    Abstract: A positioning control device according to an embodiment includes an amplifier that includes a converter that rectifies and outputs an AC power supply to bus-bars; a smoothing capacitor that smoothes an output of the converter and generates a bus voltage; a regenerative resistance and a regenerative transistor; an inverter that supplies a drive current; and a command generation unit that generates a position command value for positioning control of a mechanical load in accordance with a command pattern. The inverter is connected between the bus-bars and supplies the drive current. The command generation unit acquires a regenerative-power-amount estimated value and an energy value storable in the smoothing capacitor; and on the basis of a result of a comparison between these values, it decides whether to use the position command value on the basis of the command pattern.
    Type: Application
    Filed: June 26, 2014
    Publication date: October 20, 2016
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Koichiro UEDA, Yoshihiro MARUSHITA
  • Patent number: 9423777
    Abstract: A command value generating circuit determines an acceleration profile indicating changes in acceleration of a mechanical load over time. The acceleration profile is determined such that the mechanical load is accelerated from a stop at a first position to a peak velocity, and is decelerated from the peak velocity to stop at a second position, and that the absolute value of an acceleration during accelerating and decelerating the mechanical load is equal to or less than an upper limit acceleration, and that the acceleration is maintained at the upper limit acceleration for a period of time from starting to accelerate the mechanical load, and then, gradually decreased from the upper limit acceleration. The command value generating circuit determines a velocity profile indicating changes in the velocity of the mechanical load over time, according to the acceleration profile, and generates a position command value, according to the velocity profile.
    Type: Grant
    Filed: February 25, 2013
    Date of Patent: August 23, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventor: Koichiro Ueda
  • Patent number: 9260786
    Abstract: The present disclosure relates to a chemically treated zinc-based plated steel sheet that is superior in weather resistance, water resistance, blackening resistance and film adhesion. A chemical conversion film having a thickness 0.5-10 ?m is formed by coating and drying a chemical treatment solution on a surface of an aluminum-containing zinc-based alloy plated steel sheet. The chemical treatment solution contains a fluororesin containing 0.05-5% by weight of a hydrophilic functional group selected from the group consisting of a carboxyl group and a sulfonic acid group and 7-20% by weight of a fluorine atom, the fluororesin in which a number-average molecular weight is 1,000-2,000,000, and an oxoate, a fluoride, a hydroxide, an organic salt, a carbonate or a peroxygenated salt of a group 4A metal.
    Type: Grant
    Filed: June 17, 2011
    Date of Patent: February 16, 2016
    Assignee: NISSHIN STEEL CO., LTD.
    Inventors: Masanori Matsuno, Koichiro Ueda, Masaya Yamamoto, Hirofumi Taketsu
  • Publication number: 20160040297
    Abstract: The present disclosure relates to a chemically treated zinc-based plated steel sheet that is superior in weather resistance, water resistance, blackening resistance and film adhesion. A chemical conversion film having a thickness 0.5-10 ?m is formed by coating and drying a chemical treatment solution on a surface of an aluminum-containing zinc-based alloy plated steel sheet. The chemical treatment solution contains a fluororesin containing 0.05-5% by weight of a hydrophilic functional group selected from the group consisting of a carboxyl group and a sulfonic acid group and 7-20% by weight of a fluorine atom, the fluororesin in which a number-average molecular weight is 1,000-2,000,000, and an oxoate, a fluoride, a hydroxide, an organic salt, a carbonate or a peroxygenated salt of a group 4A metal.
    Type: Application
    Filed: October 26, 2015
    Publication date: February 11, 2016
    Inventors: Masanori MATSUNO, Koichiro UEDA, Masaya YAMAMOTO, Hirofumi TAKETSU
  • Publication number: 20160041533
    Abstract: A motor control device. When the motor control device executes pressure control of which a minor loop is speed control or position control, the pressure control is executed in a manner that pressurization or depressurization is performed while a control parameter of the speed control is fixed; a control parameter of the pressure control is gradually increased; an oscillation amount is successively detected and stored. If the oscillation amount exceeds an acceptable value, on the basis of the control parameter of the pressure control and the oscillation amount stored during adjustment, the control parameter of the pressure control is adjusted such that the oscillation amount is equal to or less than the acceptable value.
    Type: Application
    Filed: February 27, 2014
    Publication date: February 11, 2016
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventor: Koichiro UEDA
  • Publication number: 20160020721
    Abstract: A motor control device includes a power-consumption calculation unit that calculates a power loss L according to a motor current I or according to the motor current I and a motor velocity v, and calculates a motor output W from a product of the motor velocity v and a torque ? or thrust force, to determine whether a regenerative resistance is in an energized state. When the regenerative resistance is in an energized state, if a total value W+L of the power loss L and the motor output W is equal to or greater than 0 (W+L?0), the power-consumption calculation unit calculates a power consumption P per unit time as W+L, and if a total value W+L of the power loss L and the motor output W is less than 0 (W+L<0), the power-consumption calculation unit calculates the power consumption P=0 per unit time.
    Type: Application
    Filed: March 5, 2014
    Publication date: January 21, 2016
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventor: Koichiro UEDA
  • Publication number: 20150061564
    Abstract: A command value generating circuit determines an acceleration profile indicating changes in acceleration of a mechanical load over time. The acceleration profile is determined such that the mechanical load is accelerated from a stop at a first position to a peak velocity, and is decelerated from the peak velocity to stop at a second position, and that the absolute value of an acceleration during accelerating and decelerating the mechanical load is equal to or less than an upper limit acceleration, and that the acceleration is maintained at the upper limit acceleration for a period of time from starting to accelerate the mechanical load, and then, gradually decreased from the upper limit acceleration. The command value generating circuit determines a velocity profile indicating changes in the velocity of the mechanical load over time, according to the acceleration profile, and generates a position command value, according to the velocity profile.
    Type: Application
    Filed: February 25, 2013
    Publication date: March 5, 2015
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventor: Koichiro Ueda
  • Patent number: 8895153
    Abstract: Disclosed is a chemical conversion coated Al-plated steel sheet which has excellent weather resistance, water resistance and coating film adhesion. Specifically, a chemical conversion coating liquid is applied over and dried on the surface of an Al alloy-plated steel sheet, thereby forming a chemical conversion coating film that has a film thickness of 0.5-10 ?m. The chemical conversion coating liquid contains: a fluorine-containing olefin resin, which contains 7-20% by mass of F atoms and 0.05-5% by mass of hydrophilic functional groups that are selected from among a carboxyl group, a sulfonic acid group and salts of carboxyl group and sulfonic acid group and has a number average molecular weight within the range of 1,000-2,000,000; and an oxygen acid salt, fluoride, hydroxide, organic acid salt, carbonate or peroxygenated salt of a group 4A metal.
    Type: Grant
    Filed: June 17, 2011
    Date of Patent: November 25, 2014
    Assignee: Nisshin Steel Co., Ltd.
    Inventors: Masanori Matsuno, Koichiro Ueda, Masaya Yamamoto, Hirofumi Taketsu
  • Patent number: 8882486
    Abstract: To execute a stable pressure control, in a control device for an injection molding machine, a filling/pressure-keeping determining unit determines whether the injection molding machine is performing a pressure keeping operation, an elastic constant identifier acquires, when the filling/pressure-keeping determining unit determines that the pressure keeping operation is in progress, a pressure detection value and a position detection value as operation information of a motor and identifies an elastic constant K based on the acquired pressure detection value and the position detection value, and a pressure-control control-parameter setting unit calculates a proportional gain Ka of a pressure controller such that a product of the proportional gain Ka of the pressure controller and the elastic constant K is smaller than a speed control bandwidth ?sc of a speed controller, and sets the calculated proportional gain Ka to the pressure controller.
    Type: Grant
    Filed: August 1, 2011
    Date of Patent: November 11, 2014
    Assignee: Mitsubishi Electric Corporation
    Inventors: Koichiro Ueda, Kiyoshi Hasegawa, Hidemasa Ogi, Yukihiko Kobayashi
  • Patent number: 8878479
    Abstract: A motor control device main unit includes a pressure command signal generation module, a pressure control module, a speed control module, and a current control module. The pressure command signal generation module of the motor control device main unit generates a pressure command value so that a derivative of the pressure command value is equal to or less than a product of an elastic constant of the pressurized target and a maximum motor speed. The pressure control module carries out pressure control calculation to calculate a motor speed command value based on a deviation between the pressure command value and an actual pressure value, and generates a motor speed command signal, which is a signal of the motor speed command value.
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: November 4, 2014
    Assignee: Mitsubishi Electric Corporation
    Inventor: Koichiro Ueda
  • Patent number: 8860355
    Abstract: A motor-control-device main unit includes a pressure-command-signal generating section, a pressure control section, a speed control section, a current control section, and a parameter-adjusting section. With respect to a parameter for a control computation by the pressure control section, the parameter-adjusting section includes an information-acquiring section and a parameter-calculating section. The information-acquiring section acquires, from an exterior, each of pieces of information including an elastic constant of a pressurized target, a reaction-force constant indicating information of a reaction force, a transfer characteristic from a motor torque to a motor speed, and parameters of the speed control section. The information-acquiring section previously acquires information of a control law of the speed control unit. The parameter-calculating section calculates a parameter for the pressure control section based on the information acquired by the information-acquiring section.
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: October 14, 2014
    Assignee: Mitsubishi Electric Corporation
    Inventors: Koichiro Ueda, Hidetoshi Ikeda
  • Patent number: 8816627
    Abstract: A control signal for controlling an operation of a motion control system suitable for positioning a load is generated using determining a cost function based on a model of energy consumption of the system and a function of a tracking time; and minimizing the cost function subject to constraints to determine a trajectory of the control signal. The control signal is generated based on the trajectory and a current state of the system, wherein the steps of the method are performed by a processor.
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: August 26, 2014
    Assignees: Mitsubishi Electric Research Laboratories, Inc., Mitsubishi Electric Corporation
    Inventors: Yebin Wang, Koichiro Ueda, Scott A. Bortoff
  • Patent number: 8795896
    Abstract: A lithium/nickel/cobalt/manganese-containing composite oxide powder represented by the formula LipNixCoyMnzMqO2-aFa (wherein M is at least one element selected from the group consisting of Al, Ge, Sn, alkaline earth metal elements and transition metal elements other than Co, Mn and Ni, 0.9?p?1.1, 0.2?x?0.5, 0.2?y?0.5, 0.1?z?0.4, 0?q?0.5, 1.9?a?2.1, p+x+y+z+q=2, and 0?a?0.02), characterized in that when the powder is classified into small particle size-classified particles with an average particle size 2 ?m?D50?8 ?m and large particle size-classified particles with an average particle size of 10 ?m?D50?75 ?m, the ratio of (% by weight of the small particle size-classified particles)/(% by weight of the large particle size-classified particles) is from 15/85 to 40/60.
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: August 5, 2014
    Assignee: AGC Seimi Chemical Co., Ltd.
    Inventors: Takeshi Kawasato, Takuya Mihara, Koichiro Ueda, Yukimitsu Wakasugi, Nozomi Honda