Patents by Inventor Yuji Kawano
Yuji Kawano 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: 11609133Abstract: An object is to reduce the influence of noise due to electric conduction carriers trapped between the surface of a silicon substrate and an oxide and thus achieve strain detection with a high S/N ratio. This semiconductor strain detection element includes: a silicon substrate; and a first impurity diffusion layer having a conduction type different from the silicon substrate, the first impurity diffusion layer being formed inside under a surface of the silicon substrate, wherein an amount of strain in the silicon substrate is detected on the basis of change in a resistance of the first impurity diffusion layer.Type: GrantFiled: February 24, 2020Date of Patent: March 21, 2023Assignee: Mitsubishi Electric CorporationInventors: Takaki Sugino, Koji Tanimoto, Yuji Kawano
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Patent number: 11512188Abstract: A sealing member includes a sliding portion made of a vulcanized rubber composition. The rubber composition includes a carboxyl-containing acrylic rubber, a silica, and a glass fiber. A content of the silica is 25 to 100 parts by weight per 100 parts by weight of the carboxyl-containing acrylic rubber.Type: GrantFiled: June 8, 2020Date of Patent: November 29, 2022Assignee: JTEKT CORPORATIONInventor: Yuji Kawano
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Patent number: 11215510Abstract: In a thermal infrared detector having trench structures, at least one sensor element is provided between the trench structures, an etching hole through which the sensor element is hollowed out and thereby thermally insulated is provided in a substrate rear surface or on the periphery of a pixel area, and an opening portion is provided below the pixel area.Type: GrantFiled: November 8, 2016Date of Patent: January 4, 2022Assignee: Mitsubishi Electric CorporationInventors: Satoi Kobayashi, Takaki Sugino, Takafumi Hara, Yuji Kawano
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Patent number: 10989579Abstract: In order to achieve at least one of size reduction and high accuracy by maintaining the reliability of the thermal detection sensor in the thermal detection sensor in the flow state of the fluid to be detected, based on a heat transfer amount from the heating resistor element to the fluid to be detected by heat exchange between the fluid to be detected and the heating resistor element via the flattened film, the thermal type detection sensor for detecting a flow state of the fluid to be detected, and wherein a sidewall covering a sidewall of the heating resistor element and blocking physical contact between the heating resistor element and the flattened film is provided between the heating resistor element and the flattened film, and the sidewall suppresses fluctuation in electric resistance of the heating resistor element due to silicidation of the heating resistor element.Type: GrantFiled: January 29, 2019Date of Patent: April 27, 2021Assignee: Mitsubishi Electric CorporationInventors: Yui Nakaoka, Takaki Sugino, Shinichi Hosomi, Yuji Kawano
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Publication number: 20200399451Abstract: A sealing member includes a sliding portion made of a vulcanized rubber composition. The rubber composition includes a carboxyl-containing acrylic rubber, a silica, and a glass fiber. A content of the silica is 25 to 100 parts by weight per 100 parts by weight of the carboxyl-containing acrylic rubber.Type: ApplicationFiled: June 8, 2020Publication date: December 24, 2020Applicant: JTEKT CORPORATIONInventor: Yuji KAWANO
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Publication number: 20200378848Abstract: An object is to reduce the influence of noise due to electric conduction carriers trapped between the surface of a silicon substrate and an oxide and thus achieve strain detection with a high S/N ratio. This semiconductor strain detection element includes: a silicon substrate; and a first impurity diffusion layer having a conduction type different from the silicon substrate, the first impurity diffusion layer being formed inside under a surface of the silicon substrate, wherein an amount of strain in the silicon substrate is detected on the basis of change in a resistance of the first impurity diffusion layer.Type: ApplicationFiled: February 24, 2020Publication date: December 3, 2020Applicant: Mitsubishi Electric CorporationInventors: Takaki Sugino, Koji Tanimoto, Yuji Kawano
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Patent number: 10690150Abstract: The purpose of the present invention is to provide a pump device that has a function to separate foreign matter from a working fluid in which foreign matter is mixed and that is capable of supporting a large working fluid flow rate. The present invention includes a first pump that is provided above a working fluid reservoir, and a second pump that has a rotary shaft that is concentric with a rotary shaft of the first pump and that is provided further down than an inlet of the first pump. A centrifuge filtration device having functionality to separate foreign matter from the working fluid is provided in an area below the inlet of the first pump and above the second pump, and the centrifuge filtration device is disposed so that the inner diameter on the second pump side is large and the inner diameter on the first pump side is small.Type: GrantFiled: July 11, 2014Date of Patent: June 23, 2020Assignee: NIPPON OIL PUMP CO., LTD.Inventors: Yuji Kawano, Makoto Yoshida
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Patent number: 10525393Abstract: The present invention is a filter mechanism provided in a pump or the like, and the purpose thereof is to provide a filter mechanism that can eliminate foreign matter adhering to the surface of a filter and thereby can prevent clogging of filters because of foreign matter. According to the present invention, an area toward the inside in the direction of the radius of the filter is linked to an intake opening (235) of the pump (for example, a trochoid pump (22)) and, via the pump (22) to a pump ejection opening (trochoid pump ejection opening (215)), and an area between a filter (5) and (an inside wall surface (3i) of) a first casing (3) is linked to a low-pressure ejection opening (discharge opening (237)) for a working fluid.Type: GrantFiled: April 11, 2018Date of Patent: January 7, 2020Assignee: NIPPON OIL PUMP CO., LTD.Inventor: Yuji Kawano
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Publication number: 20190265089Abstract: In order to achieve at least one of size reduction and high accuracy by maintaining the reliability of the thermal detection sensor in the thermal detection sensor in the flow state of the fluid to be detected, based on a heat transfer amount from the heating resistor element to the fluid to be detected by heat exchange between the fluid to be detected and the heating resistor element via the flattened film, the thermal type detection sensor for detecting a flow state of the fluid to be detected, and wherein a sidewall covering a sidewall of the heating resistor element and blocking physical contact between the heating resistor element and the flattened film is provided between the heating resistor element and the flattened film, and the sidewall suppresses fluctuation in electric resistance of the heating resistor element due to silicidation of the heating resistor element.Type: ApplicationFiled: January 29, 2019Publication date: August 29, 2019Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Yui NAKAOKA, Takaki SUGINO, Shinichi HOSOMI, Yuji KAWANO
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Patent number: 10378560Abstract: A hydraulic system for a work machine includes a first switch valve and a first return circuit. The first switch valve is switchable between a confluent position and an isolation position. The first switch valve is switched to the confluent position such that a first operation fluid tube is connected to a second operation fluid tube and a first transmission fluid tube is connected to a second transmission fluid tube. The first switch valve is switched to the isolation position such that the first operation fluid tube is disconnected from the second operation fluid tube and the first operation fluid tube is disconnected from the second operation fluid tube.Type: GrantFiled: December 27, 2016Date of Patent: August 13, 2019Assignees: KUBOTA CORPORATION, KYB CORPORATIONInventors: Yoshimitsu Tanaka, Kunihiko Bito, Tsukasa Haraguchi, Toshiaki Otani, Yuji Kawano, Masaru Kumatani, Junki Maeda, Shoichi Kawano, Hitoshi Iwamura, Teruo Kunizawa, Takehiro Wakasugi, Akio Matsuura
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Patent number: 10211173Abstract: A pad electrode such that a conductive film is used as the pad electrode in a semiconductor device has an object of preventing Al corrosion and improving Au bonding wire durability. A semiconductor device according to the invention includes a conductive film of Al or having Al as a main component on which a signal processing circuit and a pad electrode portion are formed, a metal film formed on the conductive film, and a protective film formed on the metal film, wherein a metal film region in which atoms derived from the metal film are implanted is formed on a surface of the conductive film exposed by an opening formed in one portion of the protective film and the metal film, and adopted as the pad electrode.Type: GrantFiled: February 21, 2018Date of Patent: February 19, 2019Assignee: Mitsubishi Electric CorporationInventors: Yui Nakaoka, Hirobumi Matsui, Shinichi Hosomi, Yuji Kawano
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Patent number: 10186550Abstract: A sensor device module comprises: a substrate having a sensor element covered with a protective film, an integrated circuit formed on the substrate, and a bonding pad part formed on the substrate; wherein the integrated circuit and the sensor element are connected at a contact part, and the sensor element and the contact part have a metal thin film layer which consists of first metal layers and second metal layers, an insulating film which is formed on the metal thin film layer and made from the same material as the protective film, and an exfoliation sacrifice layer which is formed on the insulating film and in contact with the protective film, further wherein an upper most film or a lower most film of the exfoliation sacrifice layer is made from the same material as an upper most film of the metal thin film layer.Type: GrantFiled: May 10, 2017Date of Patent: January 22, 2019Assignee: Mitsubishi Electric CorporationInventors: Hirobumi Matsui, Yuji Kawano, Shinichi Hosomi
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Patent number: 10106958Abstract: A working machine includes a machine body, an operation fluid tank mounted on the machine body, a hydraulic device to be operated by an operation fluid supplied from the operation fluid tank. A valve unit includes a plurality of control valves to control the hydraulic device. The control valves are arranged along a horizontal direction. A switch valve is to be connected to the control valves. A first tube member includes a first fluid tube to connect the control valve and the switch valve to each other and supports the switch valve above the control valve.Type: GrantFiled: January 5, 2016Date of Patent: October 23, 2018Assignee: KUBOTA CORPORATIONInventors: Daisuke Matsumiya, Kiyoshi Matsui, Teruo Kunizawa, Fukusui Rin, Shigeru Kobayashi, Koji Nagahama, Yuji Kawano, Tsukasa Haraguchi
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Publication number: 20180229172Abstract: The present invention is a filter mechanism provided in a pump or the like, and the purpose thereof is to provide a filter mechanism that can eliminate foreign matter adhering to the surface of a filter and thereby can prevent clogging of filters because of foreign matter. According to the present invention, an area toward the inside in the direction of the radius of the filter is linked to an intake opening (235) of the pump (for example, a trochoid pump (22)) and, via the pump (22) to a pump ejection opening (trochoid pump ejection opening (215)), and an area between a filter (5) and (an inside wall surface (3i) of) a first casing (3) is linked to a low-pressure ejection opening (discharge opening (237)) for a working fluid.Type: ApplicationFiled: April 11, 2018Publication date: August 16, 2018Applicant: Nippon Oil Pump Co., Ltd.Inventor: Yuji KAWANO
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Patent number: 10040013Abstract: The present invention is a filter mechanism provided in a pump or the like, and the purpose thereof is to provide a filter mechanism that can eliminate foreign matter adhering to the surface of a filter and thereby can prevent clogging of filters because of foreign matter. According to the present invention, an area toward the inside in the direction of the radius of the filter is linked to an intake opening (235) of the pump (for example, a trochoid pump (22)) and, via the pump (22) to a pump ejection opening (trochoid pump ejection opening (215)), and an area between a filter (5) and (an inside wall surface (3i) of) a first casing (3) is linked to a low-pressure ejection opening (discharge opening (237)) for a working fluid.Type: GrantFiled: May 2, 2011Date of Patent: August 7, 2018Assignee: NIPPON OIL PUMP CO., LTD.Inventor: Yuji Kawano
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Publication number: 20180145111Abstract: A sensor device module comprises: a substrate having a sensor element covered with a protective film, an integrated circuit formed on the substrate, and a bonding pad part formed on the substrate; wherein the integrated circuit and the sensor element are connected at a contact part, and the sensor element and the contact part have a metal thin film layer which consists of first metal layers and second metal layers, an insulating film which is formed on the metal thin film layer and made from the same material as the protective film, and an exfoliation sacrifice layer which is formed on the insulating film and in contact with the protective film, further wherein an upper most film or a lower most film of the exfoliation sacrifice layer is made from the same material as an upper most film of the metal thin film layer.Type: ApplicationFiled: May 10, 2017Publication date: May 24, 2018Applicant: Mitsubishi Electric CorporationInventors: Hirobumi MATSUI, Yuji KAWANO, Shinichi HOSOMI
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Publication number: 20170328778Abstract: In a thermal infrared detector having trench structures, at least one sensor element is provided between the trench structures, an etching hole through which the sensor element is hollowed out and thereby thermally insulated is provided in a substrate rear surface or on the periphery of a pixel area, and an opening portion is provided below the pixel area.Type: ApplicationFiled: November 8, 2016Publication date: November 16, 2017Applicant: Mitsubishi Electric CorporationInventors: Satoi KOBAYASHI, Takaki SUGINO, Takafumi HARA, Yuji KAWANO
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Publication number: 20170284425Abstract: A hydraulic system for a work machine includes a first switch valve and a first return circuit. The first switch valve is switchable between a confluent position and an isolation position. The first switch valve is switched to the confluent position such that a first operation fluid tube is connected to a second operation fluid tube and a first transmission fluid tube is connected to a second transmission fluid tube. The first switch valve is switched to the isolation position such that the first operation fluid tube is disconnected from the second operation fluid tube and the first operation fluid tube is disconnected from the second operation fluid tube.Type: ApplicationFiled: December 27, 2016Publication date: October 5, 2017Applicant: KUBOTA CORPORATIONInventors: Yoshimitsu TANAKA, Kunihiko BITO, Tsukasa HARAGUCHI, Toshiaki OTANI, Yuji KAWANO, Masaru KUMATANI, Junki MAEDA, Shoichi KAWANO, Hitoshi IWAMURA, Teruo KUNIZAWA, Takehiro WAKASUGI
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Patent number: 9766095Abstract: A magnetized scale (1a) in which magnetic pole pairs each formed of a first magnetic portion (11a) and a second magnetic portion (12a) having different magnetic properties are arranged with a period of a magnetic pole pair width 2?, and a magnetosensitive device (2) in which n magnetosensitive elements (21a to 21e) are arranged with a magnetosensitive element pitch P so that ?=nP may be established are arranged so as to be opposed to each other with a predetermined air gap therebetween. Output values output from the n magnetosensitive elements (21a to 21e) in parallel are analyzed to calculate a relative position between the magnetosensitive device (2) and the magnetized scale (1a) as a position detection resolution of ?/n.Type: GrantFiled: April 23, 2013Date of Patent: September 19, 2017Assignee: Mitsubishi Electric CorporationInventors: Takafumi Hara, Yuji Kawano
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Patent number: 9631259Abstract: A method allowing production of high-purity perrhenic acid from rhenium sulfide by applying pyrometallurgical process is provided.Type: GrantFiled: May 24, 2013Date of Patent: April 25, 2017Assignee: PAN PACIFIC COPPER CO., LTD.Inventors: Ikunobu Sumida, Yuji Kawano, Makoto Hamamoto