Patents by Inventor Masato Okamura

Masato Okamura 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: 10557970
    Abstract: A quantum dot protective film for sealing a phosphor, including: a protective layer having foreign matter, the maximum size of which is 100 to 500 ?m; and a coating layer formed on one surface of the protective layer, wherein the abundance ratio of the foreign matter with the maximum size of 100 to 500 ?m is 0.01 to 5.0 particles/m2 in the protective layer, and the haze value is 20% or higher.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: February 11, 2020
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Koji Murata, Kenji Matsumasa, Kengo Okamura, Satoshi Iwata, Masato Kurokawa
  • Publication number: 20190375367
    Abstract: An air bag device has an inflator and a bag unit configured to be deployed on a front part of a vehicle body with a gas supplied from the inflator. The bag unit includes a first bag, a second bag, and a connector, which are annularly connected to one another, and when the bag unit is deployed, the first bag and the second bag are erected on the vehicle body into a mountain-like shape in such a way that the bag unit forms a substantially triangular shape as a whole.
    Type: Application
    Filed: June 6, 2019
    Publication date: December 12, 2019
    Inventors: Takashi Aoki, Osamu Kanno, Kenyu Okamura, Masato Sasaki, Hidetoshi Nakamura, Masahiro Motoyoshi, Atsushi Nakajima
  • Publication number: 20190375366
    Abstract: An airbag system includes a bag unit which deploys on an enginehood of a vehicle body by a gas from an inflator. The bag unit is divided into bags back and forth and right and left. The bags include adjacent bags communicating with each other through communication paths. The bags include at least one upright bag to be upright on at least one fender of left and right fenders of the vehicle body. A gas flows from a front bag of the bags located at a front side of the vehicle body through communication paths to a rear bag of the bags behind the front bag and the at least one upright bag on the side of the front bag.
    Type: Application
    Filed: June 5, 2019
    Publication date: December 12, 2019
    Inventors: Osamu KANNO, Kenyu OKAMURA, Masato SASAKI, Takashi AOKI, Hidetoshi NAKAMURA
  • Publication number: 20190375368
    Abstract: A vehicle body front structure includes a pop-up hood unit disposed on a front end portion of an enginehood of a vehicle body and configured to move upward above the enginehood by using a lift-up mechanism. The pop-up hood unit is deformable due to an input of an impact upon a collision with a target for protection. The pop-up hood unit is shaped as a plate that extends in a left-right direction of the vehicle body and has a plate surface having an inclination angle that is variable relative to a horizontal plane.
    Type: Application
    Filed: June 5, 2019
    Publication date: December 12, 2019
    Inventors: Osamu KANNO, Takashi AOKI, Masato SASAKI, Kenyu OKAMURA, Hidetoshi NAKAMURA
  • Publication number: 20190366972
    Abstract: A colliding object protection apparatus inflates and deploys an airbag when the apparatus detects or predicts a collision with a pedestrian. The airbag includes a first bag to be inflated and deployed in a vehicle width direction along a front edge part of a hood of a vehicle, and a second bag to be inflated and deployed on an upper surface of the hood. The second bag is continuous with a vehicle rear side portion of the first bag. An internal space of the first bag and an internal space of the second bag communicate with each other through a first vent mechanism. The first vent mechanism is opened when an internal pressure of the first bag reaches a predetermined pressure.
    Type: Application
    Filed: June 3, 2019
    Publication date: December 5, 2019
    Inventors: Hidetoshi NAKAMURA, Kenyu OKAMURA, Masaki UMEZAWA, Osamu ITO, Masato SASAKI, Masahiro MOTOYOSHI
  • Publication number: 20190366971
    Abstract: A colliding object protection apparatus inflates and deploys an airbag when the apparatus detects or predicts a collision with a pedestrian. The airbag includes a front bag to be inflated and deployed in a vehicle width direction along an upper part of a front grille of a vehicle. The internal space of the front bag is partitioned into a plurality of expansion chambers by a plurality of partitioning walls provided in parallel in the vehicle width direction. A vent mechanism of the expansion chamber is configured to be opened when an internal pressure of the expansion chamber reaches a predetermined pressure.
    Type: Application
    Filed: June 3, 2019
    Publication date: December 5, 2019
    Inventors: Hidetoshi NAKAMURA, Kenyu OKAMURA, Masaki UMEZAWA, Osamu ITO, Masato SASAKI, Masahiro MOTOYOSHI
  • Publication number: 20190035511
    Abstract: To effectively reduce the radioactivity concentration in reactor water. In an embodiment, a method of repairing a fuel assembly in a nuclear reactor, comprising: applying a compound containing at least one substance selected from the group consisting of TiO2, TiCl4, Ti(OH)4, TiF4, TiCl3, TiN, TiC, Ti(SO4)2, Ti3O5, Ti(NO3)4, Al3O3, Al(OH)3, AlCl3, Al(NO3)3, Al2(SO4)3, WO2, WO3, WC16, WF6, (NH4)10W12O41.5H2O, H2WO4 and H4WO5 to a surface of a fuel rod of the fuel assembly.
    Type: Application
    Filed: July 25, 2018
    Publication date: January 31, 2019
    Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Energy Systems & Solutions Corporation
    Inventors: Takahiro HARA, Osamu SHIBASAKI, Masato OKAMURA, Yusuke HORAYAMA
  • Patent number: 10032531
    Abstract: A chemical solution injection system 30 of an embodiment includes: a chemical solution reservoir 31 that stores a chemical solution containing a depositing substance to deposit to a member in contact with cooling water for absorbing heat in a plant; a pipe 32 through which the chemical solution passes; a first heat exchanger and a second heat exchanger that exchange heat between the cooling water and the chemical solution; a cooling water pipe 49 which connects the heat exchangers in series and in which the cooling water passes; and a pump 34 that conveys the chemical solution. The temperature of the chemical solution in the chemical solution reservoir 31 is lower than that of the cooling water. The pipe 32 sequentially connects the chemical solution reservoir 31, the first heat exchanger, the second heat exchanger and the plant. The cooling water guided from the inside of the plant passes through the second heat exchanger and subsequently passes through the first heat exchanger.
    Type: Grant
    Filed: December 31, 2014
    Date of Patent: July 24, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masato Okamura, Tetsuo Oosato, Seiji Yamamoto, Hiroyuki Arai, Osamu Shibasaki, Koji Negishi, Hiromichi Koga
  • Patent number: 10006127
    Abstract: In a plant including a system which is provided with a steam generator 2, a turbine 3, 5, a condenser 6 and a heater 7 and in which non-deaerated water circulates, and a pipe, the steam generator 2, the heater 7 and 8 of the system which comes into contact with the non-deaerated water is deposited with a protective substance.
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: June 26, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masato Okamura, Osamu Shibasaki, Seiji Yamamoto, Hajime Hirasawa
  • Patent number: 9969889
    Abstract: The present invention provides a corrosion-resistant structure for a high-temperature water system comprising: a structural material 1; and a corrosion-resistant film 3 formed from a substance containing at least one of La and Y deposited on a surface in a side that comes in contact with a cooling water 4, of the structural material 1 which constitutes the high-temperature water system that passes a cooling water 4 of high temperature therein. Due to above construction, there can be provided the corrosion-resistant structure and a corrosion-preventing method capable of operating a plant without conducting a water chemistry control of cooling water by injecting chemicals.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: May 15, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masato Okamura, Osamu Shibasaki, Koji Negishi, Seiji Yamamoto, Hajime Hirasawa, Kenji Yamazaki, Tetsuji Kaneko
  • Patent number: 9850581
    Abstract: A coating of niobium oxide, zirconium titanate, or nickel titanate is formed on at least a part of a surface of a jet pump member constituting a jet pump serving as a reactor internal structure of a boiling water reactor. Further, a solution containing, e.g., a niobium compound is applied to at least a part of the surface of the jet pump member constituting the jet pump, and the jet pump member coated with the solution is heat-treated to form a coating of, e.g., niobium oxide. With this configuration, the jet pump member constituting the jet pump of the boiling water reactor is provided such that deposition of crud can be sufficiently suppressed on the jet pump member.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: December 26, 2017
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Akio Sayano, Norihisa Saito, Tetsuji Kaneko, Yasuo Morishima, Masato Okamura, Kenji Yamazaki, Kunihiko Kinugasa
  • Patent number: 9824782
    Abstract: A photocatalyst injection system including: a reactor primary system coolant collection section collecting a reactor primary system coolant containing a noble metal or noble metal ion from a reactor primary system; a photocatalyst addition section adding a photocatalyst to the collected reactor primary system coolant; an ultraviolet irradiation section irradiating, with ultraviolet rays, the coolant to which the photocatalyst has been added for producing, in the coolant, a noble metal-carrying photocatalyst in which the noble metal is carried on a surface of the photocatalyst; and a noble metal-carrying photocatalyst injection section injecting the coolant containing the noble metal-carrying photocatalyst into the reactor primary system.
    Type: Grant
    Filed: October 1, 2013
    Date of Patent: November 21, 2017
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masato Okamura, Osamu Shibasaki, Koji Negishi, Seiji Yamamoto, Hiroyuki Arai, Yutaka Uruma
  • Patent number: 9771482
    Abstract: The present invention provides a corrosion-resistant structure for a high-temperature water system comprising: a structural material 1; and a corrosion-resistant film 3 formed from a substance containing at least one of La and Y deposited on a surface in a side that comes in contact with a cooling water 4, of the structural material 1 which constitutes the high-temperature water system that passes a cooling water 4 of high temperature therein. Due to above construction, there can be provided the corrosion-resistant structure and a corrosion-preventing method capable of operating a plant without conducting a water chemistry control of cooling water by injecting chemicals.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: September 26, 2017
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masato Okamura, Osamu Shibasaki, Koji Negishi, Seiji Yamamoto, Hajime Hirasawa, Kenji Yamazaki, Tetsuji Kaneko
  • Patent number: 9758880
    Abstract: A method for controlling water chemistry in a power generation plant including a low-pressure feedwater heater (18), a deaerator (19), and a high-pressure feedwater heater (20) disposed sequentially along a feedwater pipe (16) from a condenser (15) to a steam generator or a boiler (11) to control the chemistry of feedwater guided to the steam generator or the boiler includes the steps of: injecting an oxidant through an oxidant injection line (31) into feedwater flowing through the feedwater pipe disposed downstream of the condenser in such a way that a dissolved oxygen concentration in the feedwater ranges from 3 to 100 ppb while the feedwater is maintained to be neutral to form an oxide film on surfaces of the feedwater pipe, the low-pressure feedwater heater, the deaerator, the high-pressure feedwater heater, and other structural members that come into contact with the feedwater; and injecting a deoxidant through a deoxidant injection line (35) into the feedwater flowing through the feedwater pipe disposed
    Type: Grant
    Filed: March 9, 2010
    Date of Patent: September 12, 2017
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Toyoaki Miyazaki, Masato Okamura, Osamu Shibasaki, Hajime Hirasawa
  • Publication number: 20160372219
    Abstract: A chemical solution injection system 30 of an embodiment includes: a chemical solution reservoir 31 that stores a chemical solution containing a depositing substance to deposit to a member in contact with cooling water for absorbing heat in a plant; a pipe 32 through which the chemical solution passes; a first heat exchanger and a second heat exchanger that exchange heat between the cooling water and the chemical solution; a cooling water pipe 49 which connects the heat exchangers in series and in which the cooling water passes; and a pump 34 that conveys the chemical solution. The temperature of the chemical solution in the chemical solution reservoir 31 is lower than that of the cooling water. The pipe 32 sequentially connects the chemical solution reservoir 31, the first heat exchanger, the second heat exchanger and the plant. The cooling water guided from the inside of the plant passes through the second heat exchanger and subsequently passes through the first heat exchanger.
    Type: Application
    Filed: December 31, 2014
    Publication date: December 22, 2016
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Masato OKAMURA, Tetsuo Oosato, Seiji Yamamoto, Hiroyuki Arai, Osamu Shibasaki, Koji Negishi, Hiromichi Koga
  • Patent number: 9410252
    Abstract: A method for injecting a corrosion inhibitor injecting an oxidant and an anticorrosive agent-pH adjusting agent complex including an anticorrosive agent and a pH adjusting agent adsorbed on a surface of the anticorrosive agent into high temperature water in contact with a surface of a metal structural material and irradiating the high temperature water with a radioactive ray or an ultraviolet ray, wherein the anticorrosive agent of the anticorrosive agent-pH adjusting agent complex has, on the surface of the anticorrosive agent, an active site where the pH adjusting agent reacts with the oxidant, and the pH adjusting agent present on the surface of the anticorrosive agent of the anticorrosive agent-pH adjusting agent complex and/or in the high temperature water is oxidized with the oxidant by the irradiation with the radioactive ray or the ultraviolet ray to change pH adjusting ability of the pH adjusting agent and shift a pH of the high temperature water to a neutral side, and thereby deposition of the antic
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: August 9, 2016
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masato Okamura, Tetsuo Oosato, Kazuo Murakami, Seiji Yamamoto, Hiroyuki Arai, Hidehiro Urata, Hajime Hirasawa, Osamu Shibasaki, Koji Negishi
  • Publication number: 20160194763
    Abstract: A coating of niobium oxide, zirconium titanate, or nickel titanate is formed on at least a part of a surface of a jet pump member constituting a jet pump serving as a reactor internal structure of a boiling water reactor. Further, a solution containing, e.g., a niobium compound is applied to at least a part of the surface of the jet pump member constituting the jet pump, and the jet pump member coated with the solution is heat-treated to form a coating of, e.g., niobium oxide. With this configuration, the jet pump member constituting the jet pump of the boiling water reactor is provided such that deposition of crud can be sufficiently suppressed on the jet pump member.
    Type: Application
    Filed: February 19, 2016
    Publication date: July 7, 2016
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Akio SAYANO, Norihisa SAITO, Tetsuji KANEKO, Yasuo MORISHIMA, Masato OKAMURA, Kenji YAMAZAKI, Kunihiko KINUGASA
  • Patent number: 9221978
    Abstract: A corrosion-resistant member has a composite titanium oxide film for reducing corrosion deposited on a surface of a construction material, where the composite titanium oxide film is represented by a molecular formula MTiO3 in which M is a transition element, and the corrosion-resistant member is preliminarily manufactured by depositing titanium oxide on the surface of the construction material, and the titanium oxide is subsequently or simultaneously subjected to high temperature treatment under existence of an ion of the transition metal.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: December 29, 2015
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masato Okamura, Osamu Shibasaki, Seiji Yamamoto, Toyoaki Miyazaki
  • Publication number: 20150299474
    Abstract: The present invention provides a corrosion-resistant structure for a high-temperature water system comprising: a structural material 1; and a corrosion-resistant film 3 formed from a substance containing at least one of La and Y deposited on a surface in a side that comes in contact with a cooling water 4, of the structural material 1 which constitutes the high-temperature water system that passes a cooling water 4 of high temperature therein. Due to above construction, there can be provided the corrosion-resistant structure and a corrosion-preventing method capable of operating a plant without conducting a water chemistry control of cooling water by injecting chemicals.
    Type: Application
    Filed: April 21, 2015
    Publication date: October 22, 2015
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masato OKAMURA, Osamu SHIBASAKI, Koji NEGISHI, Seiji YAMAMOTO, Hajime HIRASAWA, Kenji YAMAZAKI, Tetsuji KANEKO
  • Publication number: 20150299473
    Abstract: The present invention provides a corrosion-resistant structure for a high-temperature water system comprising: a structural material 1; and a corrosion-resistant film 3 formed from a substance containing at least one of La and Y deposited on a surface in a side that comes in contact with a cooling water 4, of the structural material 1 which constitutes the high-temperature water system that passes a cooling water 4 of high temperature therein. Due to above construction, there can be provided the corrosion-resistant structure and a corrosion-preventing method capable of operating a plant without conducting a water chemistry control of cooling water by injecting chemicals.
    Type: Application
    Filed: April 21, 2015
    Publication date: October 22, 2015
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masato OKAMURA, Osamu SHIBASAKI, Koji NEGISHI, Seiji YAMAMOTO, Hajime HIRASAWA, Kenji YAMAZAKI, Tetsuji KANEKO