Patents by Inventor Yoshiyuki Oya
Yoshiyuki Oya 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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Publication number: 20170045316Abstract: Provided are an aluminum cladding material having excellent corrosion resistance, a production method therefor, an aluminum cladding material for heat exchangers having excellent corrosion resistance, a production method therefor, an aluminum heat exchanger using said aluminum cladding material for heat exchangers, and a production method therefor. Said aluminum cladding material comprises an aluminum alloy core material and a sacrificial anode material layer clad on at least one surface thereof. The sacrificial anode material layer comprises an aluminum alloy containing 0.10 mass % or more and less than 1.50 mass % Si, 0.10 to 2.00 mass % Mg. Present therein is 100 to 150000 pieces/mm2 of Mg—Si-based crystallized product having a circle-equivalent diameter of 0.1 to 5.0 ?m, 7 pieces/mm2 or less of Mg—Si-based crystallized product having a circle-equivalent diameter of more than 5.0 ?m and 10.0 ?m or less in the sacrificial anode material layer.Type: ApplicationFiled: April 21, 2015Publication date: February 16, 2017Applicant: UACJ CorporationInventors: Kazuko TERAYAMA, Yoshiyuki OYA, Takatoshi SHIMADA
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Patent number: 9516481Abstract: The system for using a communication terminal has a portable telephone user having a portable telephone, and a vehicle-mounted system is provided in a shared vehicle. In the portable telephone, an NFC is provided, and the vehicle-mounted system in the shared vehicle, an R/W for NFC communication is provided. When communication is performed for a first communication time between the R/W for NFC communication and the NFC by holding up the portable telephone to the R/W for NFC communication provided in the shared vehicle, door locking is performed. In addition, when communication is performed for a second communication time, a usage finishing process is performed.Type: GrantFiled: November 11, 2010Date of Patent: December 6, 2016Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ryo Takizawa, Ko Koga, Yoshiyuki Oya
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Publication number: 20160298914Abstract: A core material contains Mn: 0.3-2.0 mass % (hereinafter, abbreviated to %), Si: 1.5% or less, Fe: 0.1-1.0% and Cu: 0.05-1.0%, and comprises a remainder Al and unavoidable impurities, and the sacrificial anode material contains Fe: 0.05-1.0% and Zn: 0.5-5.0%, and comprises a remainder Al and unavoidable impurities. A potential at the joint section between the header pipe and the tube is lower by 30 mV or less than potentials at the header pipe surface and the tube surface, and the potential at the joint section is lower by 30-100 mV than a potential at a position in a depth of one quarter of the overall thickness from the header pipe surface and a potential at a position in a depth of one quarter of the overall thickness from the tube surface.Type: ApplicationFiled: October 14, 2014Publication date: October 13, 2016Inventors: Yoshimasa KANNO, Akira ICHINOSE, Yoshiyuki OYA
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Publication number: 20160167177Abstract: Problem To provide an aluminum alloy brazing sheet, featuring a good brazing property that prevents diffusion of molten filler material in a core material of the aluminum alloy brazing sheet during a brazing process and exhibiting a superior corrosion resistance to an exhaust gas condensate water after the brazing process, a method of manufacturing the aluminum alloy brazing sheet, and a high corrosion-resistant heat exchanger using the aluminum alloy brazing sheet. Resolving Means A high corrosion-resistant aluminum alloy brazing sheet comprises a core material composed of an aluminum alloy, a sacrificial anode material cladded on one surface of the core material, and a filler material composed of an Al/Si-based alloy and cladded on another surface of said core material, and is characterized in that the sacrificial anode material is composed of an aluminum alloy which contains Si falling within a range of 2.5-7.0 mass %, Zn falling a range of 1.0-5.5 mass %, Fe falling within a range of 0.05-1.Type: ApplicationFiled: July 31, 2015Publication date: June 16, 2016Inventors: Sadayuki Kamiya, Masaki Harada, Masafumi Saito, Taketoshi Toyoma, Makoto Ando, Yoshiyuki Oya, Akio Niikura, Yoichi Kojima
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Patent number: 9095934Abstract: An aluminum alloy brazing sheet having a good brazing property that prevents diffusion of molten filler material in a core material of the aluminum alloy brazing sheet during a brazing process and which has a superior corrosion resistance to an exhaust gas condensate water after the brazing process is disclosed. A method of manufacturing of the aluminum alloy brazing sheet also is disclosed. A high corrosion-resistant heat exchanger that employs the aluminum alloy brazing sheet also is disclosed.Type: GrantFiled: September 15, 2010Date of Patent: August 4, 2015Assignees: Denso Corp., Furukawa-Sky Aluminum Corp.Inventors: Sadayuki Kamiya, Masaki Harada, Masafumi Saito, Taketoshi Toyoma, Makoto Ando, Yoshiyuki Oya, Akio Niikura, Yoichi Kojima
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Patent number: 9067529Abstract: An object of the invention is to provide an electronic key system for a vehicle capable of accurately detecting that an electronic key has been taken out of a host vehicle. An electronic key system for a vehicle according to the invention which allows the start of a host vehicle when an electronic key of the host vehicle is authenticated includes electronic key information acquisition means for acquiring information relating to the position of the electronic key, taking-out detection means for detecting that the electronic key has been taken out of the host vehicle on the basis of the information relating to the position of the electronic key acquired by the electronic key information acquisition means, and alarm means for providing a warning to notify that the electronic key has been taken out of the host vehicle.Type: GrantFiled: December 24, 2010Date of Patent: June 30, 2015Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ryo Takizawa, Yoshiyuki Oya
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Publication number: 20150050520Abstract: An aluminum alloy material contains Si: 1.0 mass % to 5.0 mass % and Fe: 0.01 mass % to 2.0 mass % with balance being Al and inevitable impurities, wherein 250 pcs/mm2 or more to 7×105 pcs/mm2 or less of Si-based intermetallic compound particles having equivalent circle diameters of 0.5 to 5 ?m are present in a cross-section of the aluminum alloy material, while 100 pcs/mm2 to 7×105 pcs/mm2 of Al-based intermetallic compound particles having equivalent circle diameters of 0.5 to 5 ?m are present in a cross-section of the aluminum alloy material. An aluminum alloy structure is manufactured by bonding two or more members in vacuum or a non-oxidizing atmosphere at temperature at which a ratio of a mass of a liquid phase generated in the aluminum alloy material to a total mass of the aluminum alloy material is 5% or more and 35% or less.Type: ApplicationFiled: October 1, 2012Publication date: February 19, 2015Inventors: Akio Niikura, Kazuko Fujita, Takashi Murase, Yoshiyuki Oya, Tomohito Kurosaki
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Publication number: 20150004428Abstract: An aluminum alloy brazing sheet having high corrosion resistance is provided, which develops the sacrificial anticorrosion effect in both surfaces of the sheet, which has the brazing function in one of both the surfaces, and which prevents the occurrence of preferential corrosion. A channel forming component for a vehicular heat exchanger is also provided by utilizing the aluminum alloy brazing sheet. An aluminum alloy brazing sheet having high corrosion resistance includes an aluminum alloy core, a filler material clad on one surface of the core, and a sacrificial anode material clad on the other surface of the core, wherein the filler material, the sacrificial anode material, and the core have respective predetermined alloy compositions. A channel forming component for a vehicular heat exchanger is manufactured using the aluminum alloy brazing sheet having high corrosion resistance.Type: ApplicationFiled: January 28, 2013Publication date: January 1, 2015Applicants: DENSO CORPORATION, UACJ CORPORATIONInventors: Sadayuki Kamiya, Shota Terachi, Kenji Negura, Makoto Ando, Atsushi Fukumoto, Yoshiyuki Oya, Akio Niikura
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Publication number: 20130281067Abstract: The system for using a communication terminal has a portable telephone user having a portable telephone, and a vehicle-mounted system is provided in a shared vehicle. In the portable telephone, an NFC is provided, and the vehicle-mounted system in the shared vehicle, an R/W for NFC communication is provided. When communication is performed for a first communication time between the R/W for NFC communication and the NFC by holding up the portable telephone to the R/W for NFC communication provided in the shared vehicle, door locking is performed. In addition, when communication is performed for a second communication time, a usage finishing process is performed.Type: ApplicationFiled: November 11, 2010Publication date: October 24, 2013Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ryo Takizawa, Ko Koga, Yoshiyuki Oya
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Publication number: 20130257606Abstract: An object of the invention is to provide an electronic key system for a vehicle capable of accurately detecting that an electronic key has been taken out of a host vehicle. An electronic key system for a vehicle according to the invention which allows the start of a host vehicle when an electronic key of the host vehicle is authenticated includes electronic key information acquisition means for acquiring information relating to the position of the electronic key, taking-out detection means for detecting that the electronic key has been taken out of the host vehicle on the basis of the information relating to the position of the electronic key acquired by the electronic key information acquisition means, and alarm means for providing a warning to notify that the electronic key has been taken out of the host vehicle.Type: ApplicationFiled: December 24, 2010Publication date: October 3, 2013Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ryo Takizawa, Yoshiyuki Oya
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Publication number: 20120279694Abstract: Problem To provide an aluminum alloy brazing sheet, featuring a good brazing property that prevents diffusion of molten filler material in a core material of the aluminum alloy brazing sheet during a brazing process and exhibiting a superior corrosion resistance to an exhaust gas condensate water after the brazing process, a method of manufacturing the aluminum alloy brazing sheet, and a high corrosion-resistant heat exchanger using the aluminum alloy brazing sheet. Resolving Means A high corrosion-resistant aluminum alloy brazing sheet comprises a core material composed of an aluminum alloy, a sacrificial anode material cladded on one surface of the core material, and a filler material composed of an Al/Si-based alloy and cladded on another surface of said core material, and is characterized in that the sacrificial anode material is composed of an aluminum alloy which contains Si falling within a range of 2.5-7.0 mass %, Zn falling a range of 1.0-5.5 mass %, Fe falling within a range of 0.05-1.Type: ApplicationFiled: September 15, 2010Publication date: November 8, 2012Applicant: DENSO CORPORATIONInventors: Sadayuki Kamiya, Masaki Harada, Masafumi Saito, Taketoshi Toyoma, Makoto Ando, Yoshiyuki Oya, Akio Niikura, Yoichi Kojima
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Publication number: 20120113247Abstract: A ring shape lighting device, used for lighting the mark around the CCD camera, has a lighting device, a lighting brightness control device, a lighting height control device, a lighting color control device and a controller. The controller controls these devices and detects the marks using the CCD camera, by changing the lighting brightness at 1 percent step from 1 to 100 percent with different combinations of lighting height and lighting color. The device detects the mark contrasts using a contrast detection/determination device and detects the variance using a variance detection/determination device. The device then determines the best lighting condition based on the variance.Type: ApplicationFiled: October 13, 2011Publication date: May 10, 2012Applicant: ADTEC ENGINEERING CO., LTD.Inventors: Tugunori Tanemura, Yu Nakajima, Jun Nagoya, Yoshiyuki Oya
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Patent number: 7485374Abstract: A heat exchanger which has i) a fin material comprising a triple-layer clad material constituted of a core material composed of an aluminum alloy containing from 0.5 to 1.8% by weight of Mn and from 0.5 to 3.0% by weight of Zn and, provided on both sides of the core material, a brazing filler material composed of an Al—Si alloy containing from 6.5 to 13.0% by weight of Si and from 0.15 to 0.60% by weight of Cu and ii) an aluminum alloy tube having a Zn concentrated surface; the both having been brazed with each other; wherein, after brazing, recrystallized grains of the core material have an average length of from 100 to 1,000 ?m in the lengthwise section of a fin and the recrystallized grains of the core material are 4 or less in average number in the thickness direction of that lengthwise section. This heat exchanger is improved in the durability of fin joints and fins themselves and their strength after corrosion.Type: GrantFiled: January 20, 2006Date of Patent: February 3, 2009Assignee: Furukawa-Sky Aluminum Corp.Inventors: Yoshikazu Suzuki, Nobuyuki Kakimoto, Junji Ninomiya, Yoshiyuki Oya
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Publication number: 20060166030Abstract: A heat exchanger which has i) a fin material comprising a triple-layer clad material constituted of a core material composed of an aluminum alloy containing from 0.5 to 1.8% by weight of Mn and from 0.5 to 3.0% by weight of Zn and, provided on both sides of the core material, a brazing filler material composed of an Al—Si alloy containing from 6.5 to 13.0% by weight of Si and from 0.15 to 0.60% by weight of Cu and ii) an aluminum alloy tube having a Zn concentrated surface; the both having been brazed with each other; wherein, after brazing, recrystallized grains of the core material have an average length of from 100 to 1,000 ?m in the lengthwise section of a fin and the recrystallized grains of the core material are 4 or less in average number in the thickness direction of that lengthwise section. This heat exchanger is improved in the durability of fin joints and fins themselves and their strength after corrosion.Type: ApplicationFiled: January 20, 2006Publication date: July 27, 2006Applicant: Furukawa-Sky Aluminum Corp.Inventors: Yoshikazu Suzuki, Nobuyuki Kakimoto, Junji Ninomiya, Yoshiyuki Oya