Patents by Inventor Masahiko Morinaga
Masahiko Morinaga 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).
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Patent number: 11637299Abstract: A hydrogen leakage detection system for detecting a hydrogen leakage in a fuel cell system includes: an outer shell configured to accommodate a hydrogen flow section; a hydrogen sensor; and a porous sheet disposed to delimit at least a part of a space within the outer shell and allowing permeation of hydrogen through the porous sheet in a thickness direction thereof. The hydrogen flow section is disposed in a region below the porous sheet, and the hydrogen sensor is disposed in a region above the porous sheet.Type: GrantFiled: March 23, 2021Date of Patent: April 25, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Masahiko Morinaga
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Patent number: 11450874Abstract: A fuel cell unit includes a fuel cell stack, an electrical device, a harness connected to the electrical device, and a casing incorporating the fuel cell stack, the electrical device, and the harness. The casing includes a first accommodation portion, a second accommodation portion, and a partition wall provided with a first communication hole through which the harness passes, the first accommodation portion accommodating the fuel cell stack, the second accommodation portion accommodating the electrical device, the partition wall partitioning the first accommodation portion and the second accommodation portion, and the partition wall is provided with at least one second communication hole through which the first accommodation portion and the second accommodation portion communicate with each other, in addition to the first communication hole.Type: GrantFiled: March 26, 2018Date of Patent: September 20, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroki Sumikawa, Hiroyuki Sekine, Masahiro Katayama, Masahiko Morinaga
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Publication number: 20210362589Abstract: A hydrogen tank storage case that stores a hydrogen tank and that is loaded on a moving object includes: a housing having a box shape and having a side wall, a bottom, and a lid. The bottom and the lid have a communication portion configured to allow communication between the inside and outside of the housing. A flow resistance of the lid is lower than a flow resistance of the bottom.Type: ApplicationFiled: April 27, 2021Publication date: November 25, 2021Inventor: Masahiko MORINAGA
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Publication number: 20210344025Abstract: A hydrogen leakage detection system for detecting a hydrogen leakage in a fuel cell system includes: an outer shell configured to accommodate a hydrogen flow section; a hydrogen sensor; and a porous sheet disposed to delimit at least a part of a space within the outer shell and allowing permeation of hydrogen through the porous sheet in a thickness direction thereof. The hydrogen flow section is disposed in a region below the porous sheet, and the hydrogen sensor is disposed in a region above the porous sheet.Type: ApplicationFiled: March 23, 2021Publication date: November 4, 2021Inventor: Masahiko MORINAGA
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Publication number: 20200227771Abstract: There is provided a fuel cell module comprising a fuel cell, a fuel cell auxiliary machine, and a module case configured to place the fuel cell and the fuel cell auxiliary machine therein. The module case comprises a first space in which the fuel cell is placed and a second space in which the fuel cell auxiliary machine is placed. The first space and the second space adjoin to each other via a partition plate. The partition plate includes a communicating hole that connects the first space and the second space and that is formed in an opening shape having a side or a diameter that is smaller than a width of a gap between the fuel cell and the partition plate.Type: ApplicationFiled: March 24, 2020Publication date: July 16, 2020Inventors: Masahiko MORINAGA, Masahiro KATAYAMA
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Publication number: 20180309150Abstract: A fuel cell unit includes a fuel cell stack, an electrical device, a harness connected to the electrical device, and a casing incorporating the fuel cell stack, the electrical device, and the harness. The casing includes a first accommodation portion, a second accommodation portion, and a partition wall provided with a first communication hole through which the harness passes, the first accommodation portion accommodating the fuel cell stack, the second accommodation portion accommodating the electrical device, the partition wall partitioning the first accommodation portion and the second accommodation portion, and the partition wall is provided with at least one second communication hole through which the first accommodation portion and the second accommodation portion communicate with each other, in addition to the first communication hole.Type: ApplicationFiled: March 26, 2018Publication date: October 25, 2018Inventors: Hiroki SUMIKAWA, Hiroyuki SEKINE, Masahiro KATAYAMA, Masahiko MORINAGA
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Publication number: 20180126455Abstract: Provided are flat metal particles having an aggregate structure due to mechanochemical processing. In the present invention, a method of manufacturing flat metal particles includes mechanochemical processing performed on metal powder including metal particles having an average particle diameter of 0.1 ?m to 1000 ?m inclusive. In the mechanochemical processing, flat metal particles are formed from the metal particles by being subjected to rolling processing involving at least one from among processing for deforming the metal particles so as to be flat, processing for layering the metal particles that have been formed to be flat, and processing for flattening a mass of a plurality of the metal particles.Type: ApplicationFiled: April 13, 2016Publication date: May 10, 2018Inventors: Satoshi MOTOZUKA, Masahiko MORINAGA, Motohiro TAGAYA
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Publication number: 20180083301Abstract: There is provided a fuel cell module comprising a fuel cell, a fuel cell auxiliary machine, and a module case configured to place the fuel cell and the fuel cell auxiliary machine therein. The module case comprises a first space in which the fuel cell is placed and a second space in which the fuel cell auxiliary machine is placed. The first space and the second space adjoin to each other via a partition plate. The partition plate includes a communicating hole that connects the first space and the second space and that is formed in an opening shape having a side or a diameter that is smaller than a width of a gap between the fuel cell and the partition plate.Type: ApplicationFiled: August 16, 2017Publication date: March 22, 2018Inventors: Masahiko Morinaga, Masahiro Katayama
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Patent number: 8728199Abstract: Provided is a novel hydrogen separation membrane formed of a Nb—W—Mo-based alloy. A method for separating hydrogen using the hydrogen separation membrane and hydrogen separation conditions are selected by a particular procedure. A hydrogen separation membrane formed of the Nb—W—Mo-based alloy membrane.Type: GrantFiled: September 14, 2010Date of Patent: May 20, 2014Assignees: Tokyo Gas Co., Ltd., National University Corporation Nagoya University, Institute of National Colleges of Technology, JapanInventors: Hideto Kurokawa, Takumi Nishii, Yoshinori Shirasaki, Isamu Yasuda, Masahiko Morinaga, Hiroshi Yukawa, Tomonori Nanbu, Yoshihisa Matsumoto
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Patent number: 8293404Abstract: A catalyst structure body for a fuel cell includes an agglomerate structure in which agglomerates each formed by aggregation of a catalyst-supporting carbon in which a catalyst is supported on a surface of a carbon have gathered, and a polymer having proton conductivity. The agglomerate structure and the polymer coexist. The polymer has entered pores between the agglomerates in the agglomerate structure. The average thickness of the polymer is set at 3 to 50 nanometers.Type: GrantFiled: September 11, 2007Date of Patent: October 23, 2012Assignee: Toyota Jidosha Kabushiki KaishaInventor: Masahiko Morinaga
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Publication number: 20120192712Abstract: Provided is a novel hydrogen separation membrane formed of a Nb—W—Mo-based alloy. A method for separating hydrogen using the hydrogen separation membrane and hydrogen separation conditions are selected by a particular procedure. A hydrogen separation membrane formed of the Nb—W—Mo-based alloy membrane.Type: ApplicationFiled: September 14, 2010Publication date: August 2, 2012Applicants: TOKYO GAS CO., LTD., INSTITUTE OF NATIONAL COLLEGES OF TECHNOLOGY, JAPAN, NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITYInventors: Hideto Kurokawa, Takumi Nishii, Yoshinori Shirasaki, Isamu Yasuda, Masahiko Morinaga, Hiroshi Yukawa, Tomonori Nanbu, Yoshihisa Matsumoto
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Publication number: 20120094693Abstract: A telephone directory data sharing system includes a mobile terminal and a navigation device. The mobile terminal includes an information obtaining unit, a telephone directory data generating unit, and a telephone directory data supplying unit. The information obtaining unit obtains objective information including latitude-longitude information based on an external input. The telephone directory data generating unit generates telephone directory data in which the latitude-longitude information is inserted into a field of a name and/or a field of a telephone number. The navigation device includes a telephone directory data obtaining unit and a latitude-longitude information extracting unit. The telephone directory data obtaining unit obtains the telephone directory data supplied from the terminal device. The latitude-longitude information extracting unit extracts the latitude-longitude information from the obtained telephone directory data.Type: ApplicationFiled: June 19, 2009Publication date: April 19, 2012Applicant: PIONEER CORPORATIONInventors: Toshiyuki Murata, Masahiko Morinaga, Kentaro Yamamoto
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Publication number: 20110200916Abstract: An object according to the present invention is to provide a catalyst layer for a fuel cell, which prevents the lowering of the performance due to the lack of oxygen in a high current density region and can provide a desired power, even when containing a small amount of catalyst particles. The catalyst layer for a fuel cell has a structure including: an electroconductive carrier made of a secondary particle which is formed by agglomerating a plurality of primary particles; catalyst particles which are dispersed on and carried by the electroconductive carrier; and an ionomer which covers the electroconductive carrier and the catalyst particles, wherein the catalyst particles have the particle quantity in a range of 0.05 mg/cm2 to 0.15 mg/cm2, the electroconductive carriers have the average secondary particle size in a range of 100 nm to 180 nm, and the ionomer has the film thickness in a range of 6 nm to 16 nm.Type: ApplicationFiled: February 3, 2011Publication date: August 18, 2011Applicant: Toyota Jidosha Kabushiki KaishaInventor: Masahiko Morinaga
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Patent number: 7820098Abstract: In the thermal power system, the electricity production efficiency may be improved by providing turbine members having the improved high temperature characteristic over the corresponding prior art turbine members. Turbine members may be provided by using high resistant steels composed of any one or ones selected from the group consisting of the components, including 0.08 to 0.13% of carbon (C), 8.5 to 9.8% of chromium (Cr), 0 to 1.5% of molybdenum (Mo), 0.10 to 0.25% of vanadium (V), 0.03 to 0.08% of niobium (Nb), 0.2 to 5.0% of tungsten (W), 1.5 to 6.0% of cobalt (Co), 0.002 to 0.015% of boron (B), 0.015 to 0.025% of nitrogen (N), and optionally, 0.01 to 3.0% of rhenium (Re), 0.1 to 0.50% of silicon (Si), 0.1 to 1.0% of manganese (Mo), 0.05 to 0.8% of nickel (Ni) and 0.1 to 1.3% of cupper.Type: GrantFiled: August 16, 2001Date of Patent: October 26, 2010Assignees: The Japan Steel Works, Ltd., The Kansai Electric Power Co., Inc.Inventors: Masahiko Morinaga, Yoshinori Murata, Tsukasa Azuma, Kazuhiro Miki, Tohru Ishiguro, Ryokichi Hashizume
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Publication number: 20100233483Abstract: A sulfidation corrosion preventing method for protecting a substrate from sulfidation corrosion, a sulfidation corrosion-resistant high temperature member having excellent sulfidation corrosion resistance, and a method for repairing a heat exchanger tube having cracks are disclosed. A silicon oxide layer is formed on a surface of a substrate; a titanium-containing coating fluid containing a titanium metal or a titanium compound is coated on the silicon oxide layer, heated and oxidized to form a first titanium oxide layer; a carbon layer is formed on a surface of the first titanium oxide layer; and a titanium-containing coating fluid is coated on the carbon layer, heated and oxidized to form a second titanium oxide layer. The substrate is protected or repaired with the silicon oxide layer, the first titanium oxide layer, the carbon layer, and the second titanium oxide layer.Type: ApplicationFiled: May 12, 2008Publication date: September 16, 2010Applicant: Central Research Institute of Electric Power Indus tryInventors: Makoto Kawase, Masahiko Morinaga
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Publication number: 20100003571Abstract: A catalyst structure body for a fuel cell includes an agglomerate structure in which agglomerates each formed by aggregation of a catalyst-supporting carbon in which a catalyst is supported on a surface of a carbon have gathered, and a polymer having proton conductivity. The agglomerate structure and the polymer coexist. The polymer has entered pores between the agglomerates in the agglomerate structure. The average thickness of the polymer is set at 3 to 50 nanometers.Type: ApplicationFiled: September 11, 2007Publication date: January 7, 2010Inventor: Masahiko Morinaga
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Patent number: 7597843Abstract: Nickel based superalloys with excellent mechanical strength, corrosion resistance and oxidation resistance, which consist essentially of chromium in an amount of 3 to 7% by weight, cobalt in an amount of 3 to 15% by weight, tungsten in an amount of 4.5 to 8% by weight, rhenium in an amount of 3.3 to 6% by weight, tantalum in an amount of 4 to 8% by weight, titanium in an amount of 0.8 to 2% by weight, aluminum in an amount of 4.5 to 6.5% by weight, ruthenium in an amount of 0.1 to 6%, hafnium in an amount of 0.01 to 0.2% by weight, molybdenum in an amount of less than 0.5% by weight, carbon in an amount 0.06% by weight or less, boron in an amount of 0.01% by weight or less, zirconium in an amount of 0.01% by weight or less, oxygen in an amount of 0.005% by weight or less, nitrogen in an amount of 0.005% by weight or less and inevitable impurities and the balance being nickel.Type: GrantFiled: August 29, 2005Date of Patent: October 6, 2009Assignees: Hitachi, Ltd., The Kansai Electric Power Co., Inc.Inventors: Akira Yoshinari, Ryokichi Hashizume, Masahiko Morinaga, Yoshinori Murata
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Patent number: 7306682Abstract: An object of this invention is to provide a single-crystal nickel-based superalloy having high creep rupture strength at high temperatures and excel at corrosion resistance and oxidation resistance at high temperatures. Single-crystal nickel-based superalloys with high temperature strength, hot corrosion resistance and oxidation resistance comprising by weight, 3.0 to 7.0% Cr, 9.5 to 15.0% Co, 4.5 to 8.0% W, 3.3 to 6.0% Re, 4.0 to 8.0% Ta, 0.8 to 2.0% Ti, 4.5 to 6.5% Al, 0.01 to 0.2% Hf, less than 0.5% Mo, 0.01% or less C, 0.005% or less B, 0.01% or less Zr, 0.005% or less O, 0.005% or less N, and balance substantially Ni.Type: GrantFiled: August 10, 2004Date of Patent: December 11, 2007Assignees: Hitachi, Ltd., The Kansai Electric Power Co., Inc., Masahiko Morinaga, Yoshinori MurataInventors: Akira Yoshinari, Ryokichi Hashizume, Masahiko Morinaga, Yoshinori Murata
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Publication number: 20070235110Abstract: Nickel based superalloys with excellent mechanical strength, corrosion resistance and oxidation resistance, which consist essentially of chromium in an amount of 3 to 7% by weight, cobalt in an amount of 3 to 15% by weight, tungsten in an amount of 4.5 to 8% by weight, rhenium in an amount of 3.3 to 6% by weight, tantalum in an amount of 4 to 8% by weight, titanium in an amount of 0.8 to 2% by weight, aluminum in an amount of 4.5 to 6.5% by weight, ruthenium in an amount of 0.1 to 6%, hafnium in an amount of 0.01 to 0.2% by weight, molybdenum in an amount of less than 0.5% by weight, carbon in an amount 0.06% by weight or less, boron in an amount of 0.01% by weight or less, zirconium in an amount of 0.01% by weight or less, oxygen in an amount of 0.005% by weight or less, nitrogen in an amount of 0.005% by weight or less and inevitable impurities and the balance being nickel.Type: ApplicationFiled: August 29, 2005Publication date: October 11, 2007Inventors: Akira Yoshinari, Ryokichi Hashizume, Masahiko Morinaga, Yoshinori Murata
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Publication number: 20050091023Abstract: A fuel cell simulator is provided which helps to present guidelines for improving performance when analyzing the causes of decline in performance of a fuel cell. In order to achieve the object, the fuel cell simulator according to the present invention displays separately the activation overvoltage, the concentration overvoltage, and the resistance overvoltage, as respective components of the overvoltage. By displaying the respective components of the overvoltage separately, the amount of the loss accounted for respectively by the activation overvoltage, the concentration overvoltage and the resistance overvoltage of the overall loss can be identified readily, thereby serving to present guidelines for improving performance, when analyzing the causes of decline in performance in a fuel cell.Type: ApplicationFiled: September 15, 2004Publication date: April 28, 2005Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Makoto Fujiuchi, Atsushi Ida, Katsuhiko Kinoshita, Katsuya Matsuoka, Masahiko Morinaga