Patents by Inventor Jun Tamura

Jun Tamura 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: 20220387832
    Abstract: A radiant heat protection device, a radiant heat protection method, and a service vehicle include a radiant heat reflector (51) having a reflective surface (51a) that reflects radiant heat (H), a coolant retainer (52) disposed on a back surface (51b) of the reflective surface (51a) of the radiant heat reflector (51) and capable of retaining coolant (C), and a coolant feed device (53) configured to feed the coolant (C) to the coolant retainer (52).
    Type: Application
    Filed: October 16, 2020
    Publication date: December 8, 2022
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Jun Fujita, Hisanori Amano, Yoshihiro Tamura
  • Publication number: 20220380916
    Abstract: An electrochemical reaction device in an embodiment includes: a reaction unit including a first accommodation part to accommodate carbon dioxide and a second accommodation part to accommodate an electrolytic solution containing water; a reduction electrode to reduce the carbon dioxide; an oxidation electrode to oxidize the water; a power supply to pass current between the reduction electrode and the oxidation electrode; a pressure regulator to regulate a pressure in the first accommodation part; a reaction product detector to detect at least one of an amount and a kind of a substance produced at the reduction electrode; and a controller to control the pressure regulator based on a detection signal of the reaction product detector.
    Type: Application
    Filed: August 4, 2022
    Publication date: December 1, 2022
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ryota KITAGAWA, Asahi MOTOSHIGE, Yoshitsune SUGANO, Masakazu YAMAGIWA, Jun TAMURA, Yuki KUDO, Akihiko ONO, Satoshi MIKOSHIBA
  • Publication number: 20220311123
    Abstract: A back door including an opening, includes: a resinous outer panel; a resinous inner panel; a metallic reinforce disposed between the outer panel and the inner panel; and a rear window glass covering the opening. The rear window glass includes: a defogger including a first bus bar that extends in an upper-lower direction, a second bus bar that is disposed apart from the first bus bar in a horizontal direction and extends in the upper-lower direction, and a plurality of heating wires that connect the first bus bar to the second bus bar; an auxiliary element connected to the defogger; and an antenna disposed so as to be surrounded by the defogger and the auxiliary element.
    Type: Application
    Filed: March 15, 2022
    Publication date: September 29, 2022
    Applicant: AGC Inc.
    Inventors: Akio MAMURO, Naohito TORIUMI, Jiro TAMURA, Jun NODA
  • Publication number: 20220298651
    Abstract: A carbon dioxide electrolytic device according to an embodiment includes: an electrolysis cell including a reduction electrode, an oxidation electrode, a gas flow path supplying gas containing CO2 to the reduction electrode, a liquid flow path supplying an electrolytic solution containing water to the oxidation electrode, and a diaphragm separating the reduction electrode from the oxidation electrode; a first supply path connected to the gas flow path; a first discharge path connected to the gas flow path; a first moisture content detecting unit installed in the first discharge path to detect a moisture content in the gas flowing in the first discharge path; a moisture content adjusting unit configured to adjust a moisture content supplied to the reduction electrode; and a control unit configured to control the moisture content adjusting unit based on a detection signal of the first moisture content detecting unit.
    Type: Application
    Filed: August 18, 2021
    Publication date: September 22, 2022
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ryota KITAGAWA, Yusuke KOFUJI, Akihiko ONO, Yuki KUDO, Jun TAMURA, Satoshi MIKOSHIBA
  • Publication number: 20220298655
    Abstract: A carbon dioxide electrolysis device, includes: an anode configured to oxidize water or a hydroxide ion and thus generate oxygen; an anode solution flow path configured to supply an anode solution to the anode; a cathode configured to reduce carbon dioxide to generate a carbon compound; a gas flow path configured to supply a gas to the cathode, the gas containing carbon dioxide; a diaphragm provided between the anode and the cathode and including a porous film with a hydrophilic polymer supported thereon; and a protective member provided between the anode and the diaphragm and protecting the diaphragm.
    Type: Application
    Filed: August 31, 2021
    Publication date: September 22, 2022
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yusuke KOFUJI, Akihiko ONO, Yuki KUDO, Ryota KITAGAWA, Masakazu YAMAGIWA, Jun TAMURA, Satoshi MIKOSHIBA
  • Patent number: 11434575
    Abstract: A reduction electrode of an embodiment includes a metal base material and a plurality of metal nanowires provided on the metal base material. The plurality of metal nanowires include metal nanowires whose average height of contour curve of surface is 20 nm or less for 50% or more in a number ratio. The plurality of metal nanowires are formed by reducing a plurality of metal oxides each having a nanowire shape formed on the metal base material by an electrochemical reduction method. A reduction process of the metal oxides includes a first process of passing a current under a constant current condition where an absolute value is 5 mA/cm2 or more through the plurality of metal oxides, and a second process of passing a current under a constant potential condition through the plurality of metal oxides.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: September 6, 2022
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yuki Kudo, Satoshi Mikoshiba, Akihiko Ono, Jun Tamura, Ryota Kitagawa, Masakazu Yamagiwa, Yoshitsune Sugano
  • Patent number: 11415078
    Abstract: In the present invention, a coal gasification combined power generation facility comprises: a feed water supply line (72); a condensate pump (39) and an intermediate-pressure feed water pump (40); a turbine bypass line (32) that bypasses a steam turbine and supplies steam to the condenser (73); and a spray water line (76) that supplies the feed water to the turbine bypass line (32). The coal gasification combined power generation facility has a normal operation mode and a bypass operation mode, and in the bypass operation mode, a control device (80) supplies the feed water to the turbine bypass line (32) and performs a first opening degree control to control the opening degree of the supply adjustment valve so that the amount of feed water supplied to the exhaust heat recovery boiler becomes less than that in the normal operation mode.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: August 16, 2022
    Assignee: MITSUBISHI POWER, LTD.
    Inventors: Tomoya Hayashi, Jun Taguchi, Satoru Matsuo, Kei Moriyama, Ken Tamura, Kentaro Nakamura, Yuji Ohta
  • Patent number: 11388635
    Abstract: When detecting occurrence of an event for transmitting a measurement report of a radio condition of a cell at a frequency set for a base station apparatus, to the base station apparatus (3) communicating with a terminal apparatus (2), the terminal apparatus (2) in a wireless communication system (1) creates a measurement report including information indicating radio conditions of cells at a frequency at which the event occurred and at another different frequency. The base station apparatus (3) controls whether or not to perform handover of the terminal apparatus (2) to another cell, on the basis of the measurement report transmitted from the terminal apparatus (2). Thereby, there is provided a wireless communication system in which a base station apparatus and the terminal apparatus are communicable with each other using multiple frequencies, the wireless communication system being capable of shortening time required for handover.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: July 12, 2022
    Assignee: Sun Patent Trust
    Inventors: Takashi Tamura, Takahisa Aoyama, Jun Hirano
  • Patent number: 11339482
    Abstract: A reduction catalyst body for carbon dioxide of an embodiment includes a metal layer, and a projection provided on the metal layer. The projection is constituted of an aggregate of fine metal particles, and possesses a polyhedral structure having surfaces of three faces or more of a polygon. The projection has a site of reducing carbon dioxide, as at least a part of the surfaces.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: May 24, 2022
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yoshitsune Sugano, Akihiko Ono, Jun Tamura, Ryota Kitagawa, Asahi Motoshige, Yuki Kudo, Masakazu Yamagiwa, Takayuki Tsukagoshi, Satoshi Mikoshiba
  • Patent number: 11286573
    Abstract: A carbon dioxide electrolytic device comprises: an electrolysis cell including a first electrode having a first catalyst to reduce carbon dioxide, a second electrode having a second catalyst to oxidize water or hydroxide ions, a first electrode flow path facing the first electrode, a second electrode flow path facing the second electrode, and a separator separating the first and second electrodes; a power controller; a first flow path through which the carbon dioxide flows; a second flow path through which the carbon compound flows; a third flow path through which an electrolytic solution containing the water flows; a fourth flow path through which the oxygen flows; a first valve to connect the first electrode flow path and the first flow path; a second valve to connect the first electrode flow path and the second flow path; a tank connected to the first electrode flow path and configured to store a rinse solution; and a controller programmed to control opening and closing of the first and second valves in ac
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: March 29, 2022
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Akihiko Ono, Yuki Kudo, Ryota Kitagawa, Masakazu Yamagiwa, Jun Tamura, Satoshi Mikoshiba, Yoshitsune Sugano, Asahi Motoshige, Takayuki Tsukagoshi
  • Patent number: 11255020
    Abstract: A carbon dioxide reduction system comprises: an electrolytic unit including an electrolysis cell having a cathode to reduce a first substance containing carbon dioxide and thus produce a first product containing a carbon compound, and an anode to oxidize a second substance containing water or hydroxide ions and thus produce a second product containing oxygen, a detection unit to acquire data defining operation states of the electrolysis cell, and an electrolytic regulator to regulate electrolysis conditions of the electrolysis cell; a compression unit including a compressor to compress the first product, and a compressor regulator to regulate compression conditions of the first product by the compressor; and a controller programmed to predict a flow rate of the carbon compound discharged from the electrolysis cell in accordance with the data to control regulation of the compression conditions in accordance with the predicted flow rate.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: February 22, 2022
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Akihiko Ono, Yuki Kudo, Ryota Kitagawa, Masakazu Yamagiwa, Jun Tamura, Satoshi Mikoshiba, Yoshitsune Sugano, Asahi Motoshige, Takayuki Tsukagoshi
  • Patent number: 11230772
    Abstract: A carbon dioxide electrolytic device includes: an electrolysis cell; a sensor acquiring data indicating a concentration of a first product containing a carbon compound in an anode flow path of the electrolysis cell; a power controller to apply a voltage between an anode and a cathode of the electrolysis cell; a refresh material source including a gas source to supply a gaseous substance to at least one selected from the group consisting of the anode and cathode flow paths, and a solution supply source to supply a rinse solution to at least one selected from the group consisting of the anode and cathode flow paths; and a controller programmed to stop supply of carbon dioxide and an electrolytic solution, and supply the rinse solution to at least one selected from the group consisting of the anode and cathode flow paths from the refresh material source, in accordance with the data.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: January 25, 2022
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Akihiko Ono, Yuki Kudo, Ryota Kitagawa, Masakazu Yamagiwa, Jun Tamura, Satoshi Mikoshiba, Yoshitsune Sugano, Asahi Motoshige
  • Publication number: 20210395902
    Abstract: An ammonia manufacturing apparatus includes: an electrochemical reaction unit including a first electrolytic bath for accommodating a first electrolytic solution, an oxidation electrode disposed in the first electrolytic bath, a second electrolytic bath for accommodating a second electrolytic solution containing nitrogen, an ammonia producing catalyst, and a reducing agent, a reduction electrode disposed in the second electrolytic bath, and a diaphragm, and configured to reduce nitrogen by the ammonia producing catalyst and the reducing agent in the second electrolytic bath to produce ammonia, and reduce the reducing agent oxidized due to the production of ammonia, at the reduction electrode by connecting the oxidation electrode and the reduction electrode to a power supply; a nitrogen supply unit including a nitrogen supply part for dissolving nitrogen in the second electrolytic solution; and an ammonia separation unit including a separation part configured to separate ammonia from the second electrolytic so
    Type: Application
    Filed: September 3, 2021
    Publication date: December 23, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Jun TAMURA, Satoshi MIKOSHIBA, Ryota KITAGAWA, Yoshitsune SUGANO, Koji MIZUGUCHI
  • Patent number: 11130723
    Abstract: A carbon dioxide electrolytic device of an embodiment includes: an anode part including an anode which oxidizes water or hydroxide ions to produce oxygen; a cathode part including a cathode which reduces carbon dioxide to produce a carbon compound, a cathode solution flow path which supplies a cathode solution to the cathode, and a gas flow path which supplies carbon dioxide to the cathode; a separator which separates the anode part and the cathode part; and a differential pressure control unit which controls a differential pressure between a pressure of the cathode solution and a pressure of the carbon dioxide so as to adjust a production amount of the carbon dioxide produced by a reduction reaction in the cathode part.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: September 28, 2021
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yuki Kudo, Akihiko Ono, Masakazu Yamagiwa, Eishi Tsutsumi, Yoshitsune Sugano, Ryota Kitagawa, Jun Tamura, Satoshi Mikoshiba
  • Publication number: 20210292921
    Abstract: The embodiments provide an electrode catalyst layer for reduction of carbon dioxide, a carbon dioxide reduction electrode, and a carbon dioxide electrolysis apparatus. The catalyst layer is made to exhibit high partial current density and to endure a long-term operation by controlling the wettability. The catalyst layer comprises a metallic catalyst supported on carbon material, an ion-conductive material, and a hydrophilic polymer; and is characterized in that a BET specific surface area (AN2) of said catalyst layer determined by nitrogen gas-adsorption and a BET specific surface area (AH2O) of said catalyst layer determined by water vapor-adsorption are in a ratio (AH2O/AN2) of 0.08 or less.
    Type: Application
    Filed: September 8, 2020
    Publication date: September 23, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yusuke KOFUJI, Akihiko ONO, Yuki KUDO, Ryota KITAGAWA, Asahi MOTOSHIGE, Masakazu YAMAGIWA, Jun TAMURA, Takashi YOSHIDA, Satoshi MIKOSHIBA
  • Patent number: 11111589
    Abstract: An electrolytic cell for carbon dioxide of an embodiment includes: an anode part including an anode to oxidize water or a hydroxide ion and thus produce oxygen and an anode solution flow path to supply an anode solution to the anode; a cathode part including a cathode to reduce carbon dioxide and thus produce a carbon compound, a cathode solution flow path to supply a cathode solution to the cathode, a gas flow path to supply the carbon dioxide to the cathode, and a hydrophobic porous body disposed between the cathode and the gas flow path; and a separator to separate the anode part and the cathode part from each other.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: September 7, 2021
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yuki Kudo, Akihiko Ono, Masakazu Yamagiwa, Ryota Kitagawa, Jun Tamura, Yoshitsune Sugano, Takayuki Tsukagoshi, Asahi Motoshige, Satoshi Mikoshiba
  • Patent number: 11105008
    Abstract: A cathode part of an electrochemical reaction device comprises a conductor, a porous body, a reduction catalyst, an electrolytic solution flow path, a first flow path, and a second flow path. The conductor has a conductive surface. The porous body includes a first surface, a second surface, a first porous portion, and a second porous portion. The first surface is in contact with the conductive surface. A contact angle between an inner wall of the second porous portion and water is higher than a contact angle between an inner wall of the first porous portion and the water. The reduction catalyst is supported on the second surface to reduce carbon dioxide. The electrolytic solution flow path faces the reduction catalyst. The first flow path faces the first porous portion. The second flow path faces the second porous portion.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: August 31, 2021
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masakazu Yamagiwa, Yuki Kudo, Akihiko Ono, Satoshi Mikoshiba, Jun Tamura, Ryota Kitagawa, Yoshitsune Sugano, Eishi Tsutsumi, Asahi Motoshige, Takayuki Tsukagoshi
  • Patent number: 11098409
    Abstract: An electrolytic cell for carbon dioxide of an embodiment includes: an anode part including an anode to oxidize water or a hydroxide ion and thus produce oxygen and an anode solution flow path to supply an anode solution to the anode; a cathode part including a cathode to reduce carbon dioxide and thus produce a carbon compound, a cathode solution flow path to supply a cathode solution to the cathode, and a liquid passing member disposed between the cathode and the cathode solution flow path and having a pore allowing the cathode solution to pass through while holding the cathode solution; and a separator to separate the anode part and the cathode part from each other.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: August 24, 2021
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yuki Kudo, Akihiko Ono, Masakazu Yamagiwa, Ryota Kitagawa, Jun Tamura, Yoshitsune Sugano, Asahi Motoshige, Satoshi Mikoshiba
  • Patent number: 11085124
    Abstract: An electrochemical reaction device comprises: an anode unit to oxidize water and thus generate oxygen; a cathode unit to reduce carbon dioxide and thus generate a carbon compound and hydrogen; a separator separating the anode and cathode units; and a power supply connected to the anode and cathode units, the cathode unit including: a porous member having a first surface and a second surface; a flow path plate facing the first surface; and a reduction catalyst on the second surface, and the flow path plate including: a flow path through which a target gas containing the carbon dioxide flows; and a porous film separating a first space and a second space inside the flow path and being permeated with an ionic liquid, the ionic liquid being configured to separate the carbon dioxide from the target gas.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: August 10, 2021
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masakazu Yamagiwa, Ryota Kitagawa, Yuki Kudo, Akihiko Ono, Satoshi Mikoshiba, Jun Tamura, Yoshitsune Sugano, Asahi Motoshige
  • Publication number: 20210156040
    Abstract: An electrochemical reaction device comprises: an anode to oxidize water; an electrolytic solution flow path facing on the anode and through which an electrolytic solution containing the water flows; a cathode including: a porous conductive layer having first and second surfaces; and a reduction catalyst layer having a third surface disposed on the first surface and containing a reduction catalyst to reduce carbon dioxide; a separator between the anode and the cathode; a power supply connected to the anode and the cathode; and a flow path plate including: a fourth surface on the second surface; and a flow path facing on the second surface and through which the carbon dioxide flows. A ratio of an area of an overlap of the second surface and the flow path to an area of the second surface is 0.5 or more and 0.85 or less.
    Type: Application
    Filed: February 2, 2021
    Publication date: May 27, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Akihiko ONO, Satoshi MIKOSHIBA, Yuki KUDO, Masakazu YAMAGIWA, Jun TAMURA, Yoshitsune SUGANO, Ryota KITAGAWA, Eishi TSUTSUMI, Asahi MOTOSHIGE, Takayuki TSUKAGOSHI