Patents by Inventor Masaki Ando

Masaki Ando 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: 11881604
    Abstract: A fuel cell system comprising: a fuel cell, a fuel gas supplier configured to supply fuel gas to an anode of the fuel cell, an oxidant gas supplier configured to supply oxidant gas to a cathode of the fuel cell, a humidity adjuster configured to adjust a relative humidity of the fuel gas and a relative humidity of the oxidant gas, and a controller, wherein the controller detects the relative humidity of the fuel gas at an anode inlet of the fuel cell, and the controller detects the relative humidity of the oxidant gas at a cathode outlet of the fuel cell, and wherein, based on detection results, the controller controls the humidity adjuster so that the relative humidity of the fuel gas at the anode inlet is higher than the relative humidity of the oxidant gas at the cathode outlet.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: January 23, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masaki Ando, Toshihiko Yoshida, Adam Z. Weber
  • Patent number: 11843146
    Abstract: A fuel cell system comprising: a fuel cell, a fuel gas supplier configured to supply fuel gas to an anode of the fuel cell, an oxidant gas supplier configured to supply oxidant gas to a cathode of the fuel cell, a humidity adjuster configured to adjust a relative humidity of the fuel gas and a relative humidity of the oxidant gas, and a controller, wherein the controller detects the relative humidity of the fuel gas at an anode inlet of the fuel cell, and the controller detects the relative humidity of the oxidant gas at a cathode outlet of the fuel cell, and wherein, based on detection results, the controller controls the humidity adjuster so that the relative humidity of the fuel gas at the anode inlet is higher than the relative humidity of the oxidant gas at the cathode outlet.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: December 12, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masaki Ando, Toshihiko Yoshida, Adam Z. Weber
  • Patent number: 11839906
    Abstract: An ultrasonic treatment apparatus according to the present invention includes: a treatment tank capable of containing a treatment object and a treatment liquid for immersing the treatment object; and an ultrasonic application mechanism that applies ultrasonic waves to the treatment liquid, wherein the treatment tank has a long axis where cross-sectional shapes are substantially identical to each other, and a wall surface to a scheduled liquid level height line of the treatment liquid is formed by a concave surface, and the ultrasonic application mechanism is installed at a position where an angle ? formed by a normal line of an oscillation surface of ultrasonic waves and the scheduled liquid level line of the treatment liquid is 5° to 80°.
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: December 12, 2023
    Assignee: NIPPON STEEL ENGINEERING CO., LTD.
    Inventors: Eri Hoshiba, Hiromitsu Date, Shinji Tokumaru, Shintaro Obara, Yuta Ozaki, Nobuyuki Hayashi, Masaki Ando
  • Publication number: 20230343970
    Abstract: A bipolar plate-gas diffusion layer (GDL) assembly for a polymer-electrolyte-membrane fuel cell includes a flat metallic bipolar plate and a porous metal GDL adjacent to and in direct contact with the flat metallic bipolar plate. The porous metal GDL includes flow channels defined by flow channels walls with flow channel surfaces. The flow channel walls and flow channel surfaces have an average porosity generally equal to an average porosity of an interior of the porous metal GDL.
    Type: Application
    Filed: October 5, 2022
    Publication date: October 26, 2023
    Applicants: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki Kaisha
    Inventors: Gaohua Zhu, Liang Wang, Yuqing Zhou, Debasish Banerjee, Hongfei Jia, Ercan Mehmet Dede, Hiroyuki Kawai, Masaki Ando
  • Publication number: 20230271874
    Abstract: To provide a thick film resistor paste for a resistor having a smaller resistance change rate and excellent surge resistance, a thick film resistor using the thick film resistor paste, and an electronic component provided with the thick film resistor. A thick film resistor paste comprises an organic vehicle and a conductive substance-containing glass powder comprising ruthenium oxide and lead ruthenate, the conductive substance-containing glass powder comprises 10 to 70 mass% of conductive substances, a glass composition of the conductive substance-containing glass powder comprises 3 to 30 mass% of silicon oxide, 30 to 90 mass% of lead oxide, 5 to 50 mass% of boron oxide relative to 100 mass% of glass components, and, a combined amount of silicon oxide, lead oxide and boron oxide by mass% is 50 mass% or more relative to 100 mass% of the glass components.
    Type: Application
    Filed: April 30, 2021
    Publication date: August 31, 2023
    Applicant: SUMITOMO METAL MINING CO., LTD.
    Inventor: Masaki Ando
  • Publication number: 20230261214
    Abstract: Provided is a fuel cell having excellent gas diffusivity and leading to suppressed pressure drop even with a porous body as a gas path. The fuel cell includes: plural stacked power generating unit cells each having a membrane assembly, an anode separator stacked on the membrane assembly on one side, and a cathode separator stacked on the membrane assembly on the other side, wherein the anode separator of any one of the power generating unit cells is stacked on the cathode separator of another one thereof that is adjacent to said any one, the cathode separator has a porous body where an oxidizing gas flows, and a path enlarging member, and the path enlarging member includes gas path enlarging portions that enlarge a path formed by the porous body, the gas path enlarging portions having wall parts inclining or orthogonal to a direction where the oxidizing gas flows.
    Type: Application
    Filed: December 30, 2022
    Publication date: August 17, 2023
    Inventors: Hiroyuki KAWAI, Masaki ANDO, Yusuke OTSU
  • Publication number: 20230170114
    Abstract: To provide a thick film resistor paste for a resistor having a smaller resistance change rate and excellent surge resistance, a thick film resistor using the thick film resistor paste, and an electronic component provided with the thick film resistor. A thick film resistor paste comprises a lead-ruthenate-containing glass powder and an organic vehicle, the lead-ruthenate-containing glass powder comprises 10 to 70 mass % of lead ruthenate, a glass composition of the lead-ruthenate-containing glass powder comprises 3 to 30 mass % of silicon oxide, 30 to 90 mass % of lead oxide. 5 to 50 mass % of boron oxide relative to 100 mass % of glass components, and, a combined amount of silicon oxide, lead oxide and boron oxide by mass % is 50 mass % or more relative to 100 mass % of the glass components.
    Type: Application
    Filed: April 30, 2021
    Publication date: June 1, 2023
    Applicant: SUMITOMO METAL MINING CO., LTD.
    Inventor: Masaki Ando
  • Publication number: 20230167011
    Abstract: The thick film resistor paste for a resistor has no abnormalities of cracks in appearance and sufficient surge resistance, especially for low resistance, while using lead borosilicate glass. The thick film resistor paste comprises a silver powder or a palladium powder, or a mixture of both of the silver powder and the palladium powder, a ruthenium-oxide-containing glass powder and an organic vehicle, the ruthenium-oxide-containing glass powder comprises 10 to 60 mass % of ruthenium oxide, a glass composition of the ruthenium-oxide-containing glass powder comprises 3 to 60 mass % of silicon oxide, 30 to 90 mass % of lead oxide, 5 to 50 mass % of boron oxide relative to 100 mass % of glass components, and, a combined amount of silicon oxide, lead oxide and boron oxide by mass % is 50 mass % or more relative to 100 mass % of the glass components.
    Type: Application
    Filed: April 30, 2021
    Publication date: June 1, 2023
    Applicant: SUMITOMO METAL MINING CO., LTD.
    Inventors: Masaki Ando, Takahito Nagano
  • Publication number: 20230037005
    Abstract: To improve propagation performance and uniformity of ultrasonic waves more easily, even when treating multiple treatment objects. An ultrasonic treatment apparatus according to the present invention includes: a treatment tank capable of containing a treatment object and a treatment liquid for immersing the treatment object; and an ultrasonic application mechanism that applies ultrasonic waves to the treatment liquid, wherein the treatment tank has a long axis where cross-sectional shapes are substantially identical to each other, and a wall surface to a scheduled liquid level height line of the treatment liquid is formed by a concave surface, and the ultrasonic application mechanism is installed at a position where an angle ? formed by a normal line of an oscillation surface of ultrasonic waves and the scheduled liquid level line of the treatment liquid is 5° to 80°.
    Type: Application
    Filed: December 17, 2020
    Publication date: February 2, 2023
    Applicant: NIPPON STEEL ENGINEERING CO., LTD.
    Inventors: Eri HOSHIBA, Hiromitsu DATE, Shinji TOKUMARU, Shintaro OBARA, Yuta OZAKI, Nobuyuki HAYASHI, Masaki ANDO
  • Publication number: 20220320556
    Abstract: [Problem] Provided is a proton-conducting membrane that exhibits high proton conductivity even in low-humidity or anhydrous environments. [Solving means] A proton-conducting membrane that comprises a crosslinked polymer and a plasticizer, wherein the crosslinked polymer contains repeating units containing proton-donating groups in an amount equal to 10 mol % or more of repeating units constituting the crosslinked polymer, and at least 60 mass % of the plasticizer is a proton-donating compound with a pKa of 2.5 or less, and, the proton-conducting membrane is a viscoelastic solid in the temperature range of from 20° C. to 125° C.
    Type: Application
    Filed: March 30, 2022
    Publication date: October 6, 2022
    Inventors: Naoki NAKAMURA, Masaki ANDO, Atsushi NORO, Takato KAJITA, Katsumi SATO
  • Publication number: 20220102744
    Abstract: A fuel cell system comprising: a fuel cell, a fuel gas supplier configured to supply fuel gas to an anode of the fuel cell, an oxidant gas supplier configured to supply oxidant gas to a cathode of the fuel cell, a humidity adjuster configured to adjust a relative humidity of the fuel gas and a relative humidity of the oxidant gas, and a controller, wherein the controller detects the relative humidity of the fuel gas at an anode inlet of the fuel cell, and the controller detects the relative humidity of the oxidant gas at a cathode outlet of the fuel cell, and wherein, based on detection results, the controller controls the humidity adjuster so that the relative humidity of the fuel gas at the anode inlet is higher than the relative humidity of the oxidant gas at the cathode outlet.
    Type: Application
    Filed: September 29, 2021
    Publication date: March 31, 2022
    Inventors: Masaki ANDO, Toshihiko YOSHIDA, Adam Z. WEBER
  • Publication number: 20200141539
    Abstract: A high pressure container has enhanced pressure resistant strength, and a method for manufacturing such high pressure container. The high pressure container includes a sealable hollow liner and a reinforcement layer including a composite carbon fiber bundle covering an outer surface of the hollow liner, wherein the reinforcement layer is wound around the outer surface of the hollow liner and fixed with a cured product of thermosetting resin, and a stress relaxation portion including the cured product of thermosetting product and a plurality of carbon nanotubes between a carbon fiber contained in one composite carbon fiber bundle and a carbon fiber contained in the other composite carbon fiber bundle.
    Type: Application
    Filed: December 5, 2019
    Publication date: May 7, 2020
    Applicants: NITTA CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiromi TERUHIRA, Takuji KOMUKAI, Maki ONIZUKA, Naoki NAKAMURA, Masaki ANDO
  • Patent number: 10113509
    Abstract: In an automotive carburetor, the time delay in the response of the engine to the change in the cross sectional area of the air passage is minimized, and a high level of freedom in selecting the communication cross section area of the air passage and the air fuel ratio for the given load of the engine. The carburetor (1) comprises a fuel passage (13) including a fuel nozzle (16) for supplying fuel to the intake passage, a first air passage (14) communicating with the fuel passage to supply air to the fuel passage, a variable communication unit (21, 41) provided in a part of the first air passage and moveable between an open position for communicating the first air passage and a closed position for shutting off the first air passage and a switch mechanism (22, 43) for moving the variable communication unit between the open position and the closed position in dependence on a load of the engine.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: October 30, 2018
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Koichi Sakurai, Masaki Ando, Eiichi Utsugi, Hitoshi Abe, Takashi Suzuki, Katsuya Tajima, Masayuki Fukuhara
  • Publication number: 20180283609
    Abstract: A high pressure container has enhanced pressure resistant strength, and a method for manufacturing such high pressure container. The high pressure container includes a sealable hollow liner and a reinforcement layer including a composite carbon fiber bundle covering an outer surface of the hollow liner, wherein the reinforcement layer is wound around the outer surface of the hollow liner and fixed with a cured product of thermosetting resin, and a stress relaxation portion including the cured product of thermosetting product and a plurality of carbon nanotubes between a carbon fiber contained in one composite carbon fiber bundle and a carbon fiber contained in the other composite carbon fiber bundle.
    Type: Application
    Filed: December 21, 2016
    Publication date: October 4, 2018
    Applicants: NITTA CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiromi TERUHIRA, Takuji KOMUKAI, Maki ONIZUKA, Naoki NAKAMURA, Masaki ANDO
  • Patent number: 9991529
    Abstract: A fuel cell system operates under at least one of the conditions of no humidity or high temperature, and an operating method thereof, are characterized in that a fuel cell has a fuel gas flow path and an oxidant gas flow path arranged such that fuel gas and oxidant gas flow in opposite directions, a determining apparatus that determines the amount of water near the oxidant gas flow path inlet, and a fuel gas control apparatus which increases the amount of water near the oxidant gas flow path inlet by increasing the fuel gas flowrate and/or reducing the fuel gas pressure if it is determined in the determining apparatus that the amount of water near the oxidant gas flow path inlet is insufficient.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: June 5, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shigeki Hasegawa, Masaki Ando, Kenichi Hamada
  • Publication number: 20180066797
    Abstract: A fiber reinforced polymer matrix composite structure includes a glass fiber layer and a carbon fiber layer in a cured resin. The glass fiber layer and the carbon fiber layer are laminated and present in a thickness direction of the structure. Two outermost layers of the fiber reinforced polymer matrix composite structure including the glass fiber layer and the carbon fiber layer are both the glass fiber layer. In the structure, a volume fraction of carbon fibers with respect to a total volume of glass fibers and carbon fibers is 0.67 or more.
    Type: Application
    Filed: September 1, 2017
    Publication date: March 8, 2018
    Inventors: Naoki Nakamura, Masaki Ando, Kimiyoshi Naito
  • Patent number: 9778401
    Abstract: An optical element in which light with a large principal ray input angle is gradually input from a center to a peripheral portion, a thickness gradually increases from the center to the peripheral portion, and 1<RD?1.085 is satisfied, when an increase ratio of a thickness to the center at an outermost peripheral portion to which light of which the principal ray input angle is maximum is input is set to RD.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: October 3, 2017
    Assignee: SONY CORPORATION
    Inventors: Akito Kuriyama, Isamu Konishiike, Kazumasa Yagi, Keisuke Ootsu, Tatsuya Nakatsuji, Takumi Tsuji, Hitoshi Nakanishi, Masaki Ando
  • Patent number: 9752534
    Abstract: An engine fuel supply apparatus includes: a fuel chamber provided in a carburetor; a first communication passage for opening the interior of the fuel chamber to the atmosphere; a second communication passage for communicating the interior of the fuel chamber with the interior of a Venturi section; and a passage switching section capable of switching between the first and second communication passages and mechanically connected to the main switch so that it can operate in response to the main switch shifting between an ignition position and a stop position. The passage switching section switches the second communication passage to the first communication passage in response to the main switch shifting from the stop position to the ignition position and switches the first communication passage to the second communication passage in response to the main switch shifting from the ignition position to the stop position.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: September 5, 2017
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Tetsuya Arai, Katsuki Honma, Masaki Ando
  • Publication number: 20170002769
    Abstract: In an automotive carburetor, the time delay in the response of the engine to the change in the cross sectional area of the air passage is minimized, and a high level of freedom in selecting the communication cross section area of the air passage and the air fuel ratio for the given load of the engine. The carburetor (1) comprises a fuel passage (13) including a fuel nozzle (16) for supplying fuel to the intake passage, a first air passage (14) communicating with the fuel passage to supply air to the fuel passage, a variable communication unit (21, 41) provided in a part of the first air passage and moveable between an open position for communicating the first air passage and a closed position for shutting off the first air passage and a switch mechanism (22, 43) for moving the variable communication unit between the open position and the closed position in dependence on a load of the engine.
    Type: Application
    Filed: June 30, 2016
    Publication date: January 5, 2017
    Inventors: Koichi Sakurai, Masaki Ando, Eiichi Utsugi, Hitoshi Abe, Takashi Suzuki, Katsuya Tajima, Masayuki Fukuhara
  • Publication number: 20160017820
    Abstract: An engine fuel supply apparatus includes: a fuel chamber provided in a carburetor; a first communication passage for opening the interior of the fuel chamber to the atmosphere; a second communication passage for communicating the interior of the fuel chamber with the interior of a Venturi section; and a passage switching section capable of switching between the first and second communication passages and mechanically connected to the main switch so that it can operate in response to the main switch shifting between an ignition position and a stop position. The passage switching section switches the second communication passage to the first communication passage in response to the main switch shifting from the stop position to the ignition position and switches the first communication passage to the second communication passage in response to the main switch shifting from the ignition position to the stop position.
    Type: Application
    Filed: June 30, 2015
    Publication date: January 21, 2016
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Tetsuya Arai, Katsuki Honma, Masaki Ando