Patents Assigned to Osaka Gas Co., Ltd.
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Patent number: 12258284Abstract: There is provided an activated carbon having a high total trihalomethane filtration capacity, even in water treatment by passing water at a high superficial velocity (SV). In the activated carbon of the present invention, a pore volume A (cc/g) of pores with a size of 1.0 nm or less, of pore volumes calculated by the QSDFT method, is 0.300 cc/g or more, and elemental vanadium and/or a vanadium compound is contained.Type: GrantFiled: June 18, 2019Date of Patent: March 25, 2025Assignees: AD'ALL CO., LTD., UNITIKA LTD., OSAKA GAS CHEMICALS CO., LTD.Inventors: Tomoyasu Nakano, Hirokazu Shimizu, Keiji Sakai
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Patent number: 12234352Abstract: A rubbery composition is prepared by combining (A) a rubber component, (B) a cellulose, and (C) fluorene compound having a 9,9-bis(aryl)fluorene skeleton. The fluorene compound (C1) may be a compound represented by the following formula (1): wherein a ring Z represents an arene ring, R1 and R2 represent a substituent, X1 represents a heteroatom-containing functional group, k denotes an integer of 0 to 4, n denotes an integer of not less than 1, p denotes an integer of not less than 0. The rubbery composition has improved mechanical properties such as strength, elongation, and hardness.Type: GrantFiled: November 22, 2019Date of Patent: February 25, 2025Assignees: OSAKA GAS CO., LTD., OSAKA GAS CHEMICALS CO., LTD.Inventors: Masahiro Yamada, Hiroki Sakamoto, Masayuki Sugimoto, Masayuki Hirota, Yumi Hosogi, Hiroaki Murase
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Patent number: 12230847Abstract: In the electrochemical element, a plate-like support includes an internal passage through which a first gas flows, a gas-permeable portion, and an electrochemical reaction portion in which a film-like electrode layer, a film-like electrolyte layer, and a film-like counter electrode layer are stacked so as to entirely or partially cover the gas-permeable portion. The internal passage includes a plurality of auxiliary passages through which the first gas flows in a predetermined flowing direction, and a distribution portion provided on the upstream side of the plurality of auxiliary passages in the flowing direction of the first gas. The plate-like support includes a supply structure that is located between the distribution portion and the auxiliary passages in the flowing direction. The first gas is temporarily stored in the distribution portion and supply of the first gas from the distribution portion to the plurality of auxiliary passages is limited.Type: GrantFiled: March 27, 2020Date of Patent: February 18, 2025Assignee: Osaka Gas Co., Ltd.Inventors: Hisao Ohnishi, Tetsuya Mori, Mitsuaki Echigo
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Patent number: 12212026Abstract: A highly efficient fuel cell capable of reasonably and effectively utilizing an internal reforming reaction is obtained even when an anode layer provided in a fuel cell element has a thickness of several tens of micron order. A fuel cell single unit is configured to include a reducing gas supply path for supplying a gas containing hydrogen to an anode layer, a steam supply path for supplying steam generated in a fuel cell element to the reducing gas supply path, and an internal reforming catalyst layer for producing hydrogen from a raw fuel gas by a steam reforming reaction are provided in the fuel cell single unit, and at least one steam supply path is provided on an upstream side of the internal reforming catalyst layer in a flow direction of the reducing gas supplied to the anode layer.Type: GrantFiled: March 29, 2019Date of Patent: January 28, 2025Assignee: Osaka Gas Co., Ltd.Inventors: Mitsuaki Echigo, Hisao Onishi, Noritoshi Shinke, Yuji Tsuda
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Patent number: 12207363Abstract: A heat-radiating light source including a heat-radiating layer and a substrate laminated thereon for heating the heat-radiating layer is disclosed. A heat-radiating layer and a substrate for heating the heat-radiating layer are laminated. In the heat-radiating layer, there are provided a radiation control portion and a radiating transparent oxide layer, the radiation control portion having an MIM lamination portion including a pair of platinum layers juxtaposed along lamination direction and a resonating transparent oxide layer formed of a transparent oxide and disposed between the pair of platinum layers, the radiation control portion and the radiating transparent oxide layer are laminated with the radiation control portion and the radiating transparent oxide layer are disposed closer to the substrate in this order. The resonating transparent oxide layer R has a thickness providing a resonance wavelength equal to or smaller than 4 ?m.Type: GrantFiled: September 3, 2019Date of Patent: January 21, 2025Assignee: Osaka Gas Co., Ltd.Inventors: Masahiro Suemitsu, Tadashi Saito
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Patent number: 12194442Abstract: Provided are high-performance gas desulfurizing agent and desulfurizing method each of which has a high desulfurizing ability even at low temperatures and keeps its desulfurizing performance for an extended period of time. The gas desulfurizing agent includes zinc oxide, aluminum oxide, and copper, the desulfurizing agent further including nickel in an amount of 1.0% by mass to 10% by mass and rhenium in an amount of 0.1% by mass to 1.0% by mass. The gas desulfurizing method includes bringing the desulfurizing agent into contact with gas in coexistence of hydrogen to decompose a sulfur compound in the gas and remove the sulfur compound from the gas.Type: GrantFiled: January 16, 2020Date of Patent: January 14, 2025Assignee: Osaka Gas Co., Ltd.Inventors: Shimpei Norioka, Hirofumi Ohtsuka, Takenori Hirano
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Patent number: 12194723Abstract: A radiative cooling device that is in a state in which a radiative surface is colored is provided. A radiative cooling device CP includes an infrared radiative layer A that radiates infrared light IR from a radiative surface H, a light reflective layer B that is disposed on the side opposite to the radiative surface H with respect to the infrared radiative layer A, and a color portion X. The infrared radiative layer A is a resin material layer J that has a thickness adjusted so as to emit a heat radiation energy greater than an absorbed solar energy in a wavelength range from 8 ?m to 14 ?m, and the color portion X contains a colorant that absorbs light in the visible range.Type: GrantFiled: March 11, 2021Date of Patent: January 14, 2025Assignee: Osaka Gas Co., Ltd.Inventors: Masahiro Suemitsu, Masayuki Sugimoto
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Patent number: 12179165Abstract: At a center portion of a ceiling wall of a furnace body having a lateral wall between the ceiling wall and a bottom wall, there is a burner that combusts downwards. A reforming reaction tube is provided in a circumference of the burner to carry out a steam reforming treatment on a source gas. A discharging portion is an opening at an upper side portion of the lateral wall for discharging combustion gas of the burner. A cylindrical outer wall is disposed at an outer side portion of the lateral wall. In an outside space formed between the lateral wall and the outer wall, there is a steam generating heat exchanger generating steam or a mixture gas of a source gas and steam. At a lower side portion of the outer wall, there is outside discharging opening discharging the combustion gas which flows through the outside space.Type: GrantFiled: March 26, 2020Date of Patent: December 31, 2024Assignee: Osaka Gas Co., Ltd.Inventors: Hidaka Asonuma, Koichiro Ikeda
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Patent number: 12142799Abstract: An electrochemical element stack that includes a plurality of stacked electrochemical elements, each of the electrochemical elements including a plate-like support provided with an internal passage. The plate-like support includes: a gas-permeable portion through which gas passes between the internal passage located inside the plate-like support and the outside; an electrochemical reaction portion covering the gas-permeable portion; and a first penetrated portion forming a supply passage through which fuel gas flows from the outside of the plate-like support to the internal passage.Type: GrantFiled: March 29, 2019Date of Patent: November 12, 2024Assignee: Osaka Gas Co., Ltd.Inventors: Hisao Ohnishi, Mitsuaki Echigo
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Patent number: 12126064Abstract: A metal support-type fuel cell that has a configuration in which a fuel cell element is supported by a metal support, and is capable of reasonably and effectively utilizing an internal reforming reaction even when an anode layer provided in the fuel cell element has a thickness of several tens of micron order is obtained. A fuel cell element is formed in a thin layer shape on a metal support, an internal reforming catalyst layer for producing hydrogen from a raw fuel gas by a steam reforming reaction is provided in a cell unit, and an internal reformed fuel supply path for discharging steam generated by a power generation reaction from an anode layer to lead the steam to the internal reforming catalyst layer, and leading the produced hydrogen to the anode layer is provided.Type: GrantFiled: March 29, 2019Date of Patent: October 22, 2024Assignee: Osaka Gas Co., Ltd.Inventors: Mitsuaki Echigo, Hisao Onishi, Noritoshi Shinke, Yuji Tsuda
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Patent number: 12119526Abstract: A metal support for an electrochemical element has a plate shape as a whole, and is provided with a plurality of penetration spaces 1c that pass through the metal support from a front face 1a to a back face. The front face 1a is a face to be provided with an electrode layer. A region of the front face 1a provided with the penetration spaces is a hole region, and openings of the penetration spaces formed in the front face are front-side openings. An aperture ratio that is a ratio of the front-side openings to the hole region is 0.1% or more and 7.0% or less.Type: GrantFiled: March 29, 2019Date of Patent: October 15, 2024Assignee: Osaka Gas Co., Ltd.Inventors: Mitsuaki Echigo, Hisao Ohnishi, Kazuyuki Minami, Yuji Tsuda, Kyohei Manabe, Osamu Yamazaki
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Patent number: 12110598Abstract: Provided is an alloy material including a metal oxide thin layer that can be formed using a simple method at low cost and can further suppress volatilization of Cr, which causes deterioration of a fuel cell, compared with a case where conventional expensive materials are used. Disclosed is a manufacturing method for an alloy material including a coating treatment step for coating a substrate made of a Fe—Cr based alloy with Co, and an oxidation treatment step for performing oxidation treatment on the substrate in a moisture-containing atmosphere after the coating treatment step.Type: GrantFiled: August 17, 2023Date of Patent: October 8, 2024Assignee: Osaka Gas Co., Ltd.Inventors: Mitsuaki Echigo, Hisao Ohnishi
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Patent number: 12071344Abstract: When a product gas producing operation is stopped, a purge operation is executed in which steam purge processing and product gas purge processing are sequentially performed. The steam purge is supplying, instead of a source gas, a product gas from a product gas tank to a reformer using a compressor, and supplying a reformed gas from a reforming processing unit to a plurality of adsorption towers, which perform a pressure swing adsorption operation, while the reformer is heated by a heating burner and steam is supplied to the reformer. The product gas purge is supplying the product gas from the product gas tank to the reformer using the compressor, and supplying the product gas from the reforming processing unit to the plurality of adsorption towers, which perform the pressure swing adsorption operation, while the supply of the steam is stopped and the heating of the reformer is maintained.Type: GrantFiled: March 27, 2020Date of Patent: August 27, 2024Assignee: Osaka Gas Co., Ltd.Inventors: Hinako Matsuo, Hidaka Asonuma, Koichiro Ikeda
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Patent number: 11996592Abstract: An electrochemical module including: a stack obtained by stacking, in a predetermined stacking direction, a plurality of electrochemical elements having a configuration in which an electrode layer, an electrolyte layer, and a counter electrode layer are formed along a substrate, via an annular sealing portion through which first gas that is one of reducing component gas and oxidative component gas flows; a container that includes an upper cover for pressing a first flat face in the stacking direction of the stack and a lower cover for pressing a second flat face on a side opposite to the first flat face, the stack being sandwiched between the upper cover and the lower cover; and a pressing mechanism that presses a portion to which the annular sealing portion is attached against the container in the stacking direction.Type: GrantFiled: March 27, 2020Date of Patent: May 28, 2024Assignee: Osaka Gas Co., Ltd.Inventors: Mitsuaki Echigo, Norihisa Shinke, Kazuyuki Minami
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Patent number: 11988465Abstract: A radiative cooling device having high flexibility that can be retrofitted to an existing outdoor facility. An infrared radiative layer for radiating infrared light from a radiative surface and a light reflective layer disposed on the side opposite to the presence side of the radiative surface of the infrared radiative layer are provided. The infrared radiative layer is a resin material layer whose thickness is adjusted to discharge a greater thermal radiation energy than absorbed solar light energy in a wavelength band ranging from 8 ?m to 14 ?m.Type: GrantFiled: March 9, 2020Date of Patent: May 21, 2024Assignee: Osaka Gas Co., Ltd.Inventors: Masahiro Suemitsu, Tadashi Saito
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Patent number: 11978937Abstract: An electrochemical element (Q) has a metal substrate (1) and multiple electrochemical reaction portions. The metal substrate (1) has gas flow allowing regions that allow the flowing of a gas between the upper side (4) and the lower side (5) of the metal substrate (1). The electrochemical reaction portions each have at least an electrode layer (A), an electrolyte layer (B), and a counter electrode layer (C), and are arranged on the upper side (4) of the metal substrate (1). The electrolyte layer (B) is arranged between the electrode layer (A) and the counter electrode layer (C), and the gas flowing through the gas flow allowing regions is supplied to the electrode layer (A).Type: GrantFiled: March 16, 2017Date of Patent: May 7, 2024Assignee: Osaka Gas Co., Ltd.Inventors: Mitsuaki Echigo, Hisao Ohnishi, Osamu Yamazaki
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Patent number: 11971381Abstract: Provided is a gas detection device used in a humid environment such as a kitchen or a cooking room, which is excellent in moisture resistance and also excellent in sensitivity. In a gas detection device which includes a thin film type gas sensor including a heater portion, a gas detection portion, and a catalyst portion on a substrate, energizes the heater portion to heat the gas detection portion and the catalyst portion, and detects the detection target gas, the gas sensor configured by supporting a catalyst metal containing platinum as a main component on a support containing a transition metal oxide as a main component is adopted.Type: GrantFiled: September 5, 2018Date of Patent: April 30, 2024Assignee: Osaka Gas Co., Ltd.Inventors: Susumu Takami, Atsushi Nonaka, Hisao Onishi
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Patent number: 11973253Abstract: A small-size and light-weight electrochemical module in which, when a stack expands the stack can be clamped appropriately. The electrochemical module includes: an electrochemical element stack obtained by stacking, in a predetermined stacking direction, a plurality of electrochemical elements having a configuration in which an electrolyte layer, and a first electrode and a second electrode that are respectively arranged on two sides of the electrolyte layer, are formed along a substrate; an elastic plate-like member arranged along at least one of a first flat face and a second flat face of the electrochemical element stack; and a clamp that includes a first clamping portion extending along the first flat face and a second clamping portion extending along the second flat face and clamps the electrochemical element stack via the plate-like member.Type: GrantFiled: March 29, 2019Date of Patent: April 30, 2024Assignee: Osaka Gas Co., Ltd.Inventors: Norihisa Shinke, Mitsuaki Echigo
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Patent number: 11967740Abstract: An electrochemical element including a plate-like support provided with an internal passage therein. The plate-like support includes a gas-permeable portion through which gas is permeable between the internal passage and the outside of the plate-like support and an electrochemical reaction portion that is formed by stacking at least a film-like electrode layer, a film-like electrolyte layer, and a film-like counter electrode layer in the stated order in a predetermined stacking direction on an outer face of the plate-like support so as to entirely or partially cover the gas-permeable portion. A first gas, that is one of reducing component gas and oxidative component gas, flows through the internal passage, and the internal passage is provided with a turbulence forming body that forms a turbulence state of the first gas.Type: GrantFiled: March 27, 2020Date of Patent: April 23, 2024Assignee: Osaka Gas Co., Ltd.Inventors: Mitsuaki Echigo, Hisao Ohnishi, Norihisa Shinke, Tadayuki Sogi, Kazuyuki Minami
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Patent number: 11951710Abstract: A radiative cooling device that can cool a cooling target appropriately with cost reduction of its light reflective layer. An infrared radiative layer for radiating infrared light from a radiative surface and a light reflective layer located on the opposite side of the presence side of the radiative surface of the infrared radiative layer are provided in a mutually stacked manner. The light reflective layer is arranged such that a first layer made of silver or silver alloy and a second layer made of aluminum or aluminum alloy are stacked, with the first layer being disposed on the side close to the infrared radiative layer.Type: GrantFiled: January 17, 2019Date of Patent: April 9, 2024Assignee: Osaka Gas Co., Ltd.Inventors: Masahiro Suemitsu, Tadashi Saito