Patents by Inventor Kazuhiro Kawai
Kazuhiro Kawai 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: 20240125264Abstract: The control device of an exhaust sensor includes a processor. The processor is configured to control supply of power to the heater. The processor is configured to start the supply of power to the heater at a predetermined timing before a starter for cranking the internal combustion engine is turned on and increase power supplied to the heater when the starter is turned on.Type: ApplicationFiled: August 14, 2023Publication date: April 18, 2024Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Kazuhiro WAKAO, Mie KATO, Daisuke KAWAI
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Patent number: 11960938Abstract: Disclosed system specifies, based on measurement results of communication times taken for accessing a plurality of external databases, relation between the communication times taken for accessing the plurality of external databases, calculates, when accepting an instruction to execute processing using at least one of the plurality of external databases, a processing load when accessing the at least one of the external databases, based on the relation between the communication times, and controls an access to data included in the at least one of the external databases according to the calculated processing load.Type: GrantFiled: April 29, 2021Date of Patent: April 16, 2024Assignee: FUJITSU LIMITEDInventors: Takuma Maeda, Kazuhiro Taniguchi, Junji Kawai
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Publication number: 20240068380Abstract: There is provided a pit initiation evaluation system or the like capable of predicting pit initiation effectively and at low cost. In a pit initiation evaluation system of an embodiment, a pit initiation evaluation unit creates and retains, based on a dry-wet alternate time data, a deposit impurity concentration data, and a pit initiation data on pitting corrosion initiated in each of a plurality of turbine stages when an operation is actually performed in the steam turbine, a pit initiation evaluation table presenting a relationship between a dry-wet alternate time, a deposit impurity concentration, and pit initiation. Further, the pit initiation evaluation unit is configured to evaluate, by using the pit initiation evaluation table, pitting corrosion to be initiated in each of the plurality of turbine stages in an operation planned for the steam turbine.Type: ApplicationFiled: November 2, 2022Publication date: February 29, 2024Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Yuka TSUKADA, Kazuhiro SAITO, Yusuke SUZUKI, Yoshikazu NINOMIYA, Osamu TANAKA, Yasuteru KAWAI, Shinichi TERADA, Makoto SASAKI
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Publication number: 20240058850Abstract: A waste treatment system 100 for performing a hydrothermal treatment of wastes includes a hydrothermal treatment device 10 for performing the hydrothermal treatment by bringing steam into contact with the wastes, a storage facility 8, 9 for storing a fuel produced from a reactant of the hydrothermal treatment, and a heat recovery steam generator 18 for generating the steam to be supplied to the hydrothermal treatment device 10. The heat recovery steam generator 18 is configured to generate the steam by using a combustion energy generated by combustion of the fuel stored in the storage facility 8, 9.Type: ApplicationFiled: November 1, 2023Publication date: February 22, 2024Inventors: Atsuhiro YUKUMOTO, Akira Noma, Yoshio Seiki, Yasumichi Aoki, Nobuyuki Ukai, Kazuhiro Kawai, Jun Satou, Susumu Okino
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Publication number: 20230406746Abstract: A waste treatment system, includes: at least one reformer for hydrolyzing waste; a microbial reactor for microbially degrading a reformed material containing at least a solid of the waste hydrolyzed by the at least one reformer; a microbial reaction detection device for detecting a state of degradation of the reformed material in the microbial reactor; and an adjustment device for adjusting amount and timing of supply of the reformed material to the microbial reactor, based on a detected value of the microbial reaction detection device.Type: ApplicationFiled: September 21, 2021Publication date: December 21, 2023Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Akira Noma, Kazuhiro Kawai, Keiji Fujikawa, Susumu Okino, Shinichi Okamoto, Shinji Nakamura, Kouetsu Shizukuishi, Nobuyuki Ukai, Yuuji Nakajima, Keiichi Nakagawa, Haruka Adachi, Takashi Ike, Yosuke Nakagawa
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Patent number: 11839909Abstract: A waste treatment system 100 for performing a hydrothermal treatment of wastes includes a hydrothermal treatment device 10 for performing the hydrothermal treatment by bringing steam into contact with the wastes, a storage facility 8, 9 for storing a fuel produced from a reactant of the hydrothermal treatment, and a heat recovery steam generator 18 for generating the steam to be supplied to the hydrothermal treatment device 10. The heat recovery steam generator 18 is configured to generate the steam by using a combustion energy generated by combustion of the fuel stored in the storage facility 8, 9.Type: GrantFiled: April 11, 2019Date of Patent: December 12, 2023Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Atsuhiro Yukumoto, Akira Noma, Yoshio Seiki, Yasumichi Aoki, Nobuyuki Ukai, Kazuhiro Kawai, Jun Satou, Susumu Okino
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Publication number: 20230356275Abstract: A waste treatment system includes: at least one reformer for hydrolyzing waste with steam; a microbial reactor for microbially degrading a reformed material containing at least a solid of the waste hydrolyzed by the at least one reformer; and at least one steam generation device for generating the steam by using only combustion energy of a gas produced in the microbial reactor.Type: ApplicationFiled: September 21, 2021Publication date: November 9, 2023Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Kazuhiro Kawai, Akira Noma, Keiji Fujikawa, Susumu Okino
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Publication number: 20230257783Abstract: A waste treatment system includes: at least one reformer for hydrolyzing waste; and a microbial reactor for microbially degrading a reformed material containing at least a solid among the waste hydrolyzed in the at least one reformer.Type: ApplicationFiled: June 30, 2021Publication date: August 17, 2023Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Akira Noma, Kazuhiro Kawai, Keiji Fujikawa, Susumu Okino, Yosuke Nakagawa, Koichi Fukunaga, Keiichi Nakagawa, Haruka Adachi, Takashi Ike, Ryo Kamito, Masahiro Yamada
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Publication number: 20210146410Abstract: A waste treatment system 100 for performing a hydrothermal treatment of wastes includes a hydrothermal treatment device 10 for performing the hydrothermal treatment by bringing steam into contact with the wastes, a storage facility 8, 9 for storing a fuel produced from a reactant of the hydrothermal treatment, and a heat recovery steam generator 18 for generating the steam to be supplied to the hydrothermal treatment device 10. The heat recovery steam generator 18 is configured to generate the steam by using a combustion energy generated by combustion of the fuel stored in the storage facility 8, 9.Type: ApplicationFiled: April 11, 2019Publication date: May 20, 2021Inventors: Atsuhiro YUKUMOTO, Akira NOMA, Yoshio SEIKI, Yasumichi AOKI, Nobuyuki UKAI, Kazuhiro KAWAI, Jun SATOU, Susumu OKINO
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Patent number: 10889381Abstract: An anti-icing system according to the present invention blows heated air to a curved inner surface of a main wing of an aircraft. The anti-icing system includes: a piccolo tube that includes a flow path through which the heated air flows in a longitudinal direction from a rear end to a front end, and a plurality of ejection holes provided along the longitudinal direction to make the flow path communicate with an outside; and an engine that supplies the heated air toward the piccolo tube. The heated air ejected from the ejection holes of the piccolo tube is ejected toward an upper limit position and a lower limit position of an outside airflow stagnation point that are virtually formed on the main wing.Type: GrantFiled: January 31, 2017Date of Patent: January 12, 2021Assignee: MITSUBISHI AIRCRAFT CORPORATIONInventors: Gento Ichikawa, Yoichi Uefuji, Toshiyuki Ishida, Masatoshi Morishita, Kazuhiro Kawai
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Patent number: 10589866Abstract: An anti-icing system according to the present invention includes: a piccolo tube that includes a flow path through which heated gas flows in the longitudinal direction from a rear end to a front end, and a plurality of ejection holes provided along the longitudinal direction to make the flow path communicate with an outside; and an engine serving as a supply source that supplies the heated gas toward the piccolo tube. The piccolo tube is decreased in an area of the flow path in a stepwise manner or in a continuous manner in the longitudinal direction, and has a continuous side surface provided with the ejection holes.Type: GrantFiled: December 27, 2016Date of Patent: March 17, 2020Assignee: MITSUBISHI AIRCRAFT CORPORATIONInventors: Masatoshi Morishita, Masanori Tsujita, Satoshi Watanabe, Yoichi Uefuji, Kazuhiro Kawai, Toshiyuki Ishida, Gento Ichikawa, Go Fujita
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Patent number: 10377497Abstract: There is provided an anti-icing system that has a simple structure and makes it possible to exert anti-icing performance by dealing with displacement of a stagnation point without increasing air resistance. The anti-icing system according to the present invention blows heated gas to an inner surface of a wing of an aircraft, and includes: a piccolo tube that includes a flow path through which the heated gas flows in a longitudinal direction from a rear end to a front end, and a plurality of ejection holes provided along the longitudinal direction to make the flow path communicate with an outside; and a supply source that supplies the heated gas toward the piccolo tube. The piccolo tube is held to cause positions of the respective ejection holes to be fixed in a gravity direction.Type: GrantFiled: January 20, 2017Date of Patent: August 13, 2019Assignee: MITSUBISHI AIRCRAFT CORPORATIONInventors: Toshiyuki Ishida, Gento Ichikawa, Yoichi Uefuji, Masatoshi Morishita, Kazuhiro Kawai, Satoshi Watanabe, Go Fujita
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Patent number: 10076004Abstract: A microwave oven includes: heating chamber (11) for accommodating a heating object; magnetron (12) for heating the heating object accommodated in heating chamber (11); blower (13) for cooling magnetron (12); temperature detection device (17) for detecting a temperature of magnetron (12); and a control device for controlling an output power of magnetron (12) on the basis of temperature information output from temperature detection device (17), wherein temperature detection device (17) is disposed inside cooling fin (19) of magnetron (12), and the control device controls magnetron (12) on the basis of the temperature information obtained before cooking is started, thereby reducing a temperature transfer loss of abnormal heat generated from magnetron (12) and efficiently transferring the heat.Type: GrantFiled: February 17, 2010Date of Patent: September 11, 2018Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Kouji Kanzaki, Kazuhiro Kawai, Hisahiro Nishitani
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Publication number: 20170233084Abstract: An anti-icing system according to the present invention blows heated air to a curved inner surface of a main wing of an aircraft. The anti-icing system includes: a piccolo tube that includes a flow path through which the heated air flows in a longitudinal direction from a rear end to a front end, and a plurality of ejection holes provided along the longitudinal direction to make the flow path communicate with an outside; and an engine that supplies the heated air toward the piccolo tube. The heated air ejected from the ejection holes of the piccolo tube is ejected toward an upper limit position and a lower limit position of an outside airflow stagnation point that are virtually formed on the main wing.Type: ApplicationFiled: January 31, 2017Publication date: August 17, 2017Inventors: Gento Ichikawa, Yoichi Uefuji, Toshiyuki Ishida, Masatoshi Morishita, Kazuhiro Kawai
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Publication number: 20170217593Abstract: There is provided an anti-icing system that has a simple structure and makes it possible to exert anti-icing performance by dealing with displacement of a stagnation point without increasing air resistance. The anti-icing system according to the present invention blows heated gas to an inner surface of a wing of an aircraft, and includes: a piccolo tube that includes a flow path through which the heated gas flows in a longitudinal direction from a rear end to a front end, and a plurality of ejection holes provided along the longitudinal direction to make the flow path communicate with an outside; and a supply source that supplies the heated gas toward the piccolo tube. The piccolo tube is held to cause positions of the respective ejection holes to be fixed in a gravity direction.Type: ApplicationFiled: January 20, 2017Publication date: August 3, 2017Inventors: Toshiyuki Ishida, Gento Ichikawa, Yoichi Uefuji, Masatoshi Morishita, Kazuhiro Kawai, Satoshi Watanabe, Go Fujita
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Publication number: 20170210476Abstract: An anti-icing system according to the present invention includes: a piccolo tube that includes a flow path through which heated gas flows in the longitudinal direction from a rear end to a front end, and a plurality of ejection holes provided along the longitudinal direction to make the flow path communicate with an outside; and an engine serving as a supply source that supplies the heated gas toward the piccolo tube. The piccolo tube is decreased in an area of the flow path in a stepwise manner or in a continuous manner in the longitudinal direction, and has a continuous side surface provided with the ejection holes.Type: ApplicationFiled: December 27, 2016Publication date: July 27, 2017Inventors: Masatoshi Morishita, Masanori Tsujita, Satoshi Watanabe, Yoichi Uefuji, Kazuhiro Kawai, Toshiyuki Ishida, Gento Ichikawa, Go Fujita
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Publication number: 20120043316Abstract: A high-frequency heating equipment includes temperature sensor (21) that is mounted with mounting bracket (22) such that temperature sensor (21) can be pressed by a lateral face of cooling fins and an end of temperature sensor (21) points to an anode of magnetron (3). This structure allows positively preventing magnetron (3) from falling into a thermal runaway which invites a breakdown of magnetron (3), and allows determining in a reliable manner whether the operation is a no-load running or a light-load running. The high-frequency heating equipment thus achieves stable performance.Type: ApplicationFiled: March 3, 2010Publication date: February 23, 2012Applicant: PANASONIC CORPORATIONInventors: Kazuhiro Kawai, Kouji Kanzaki, Hisahiro Nishitani
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Publication number: 20110284528Abstract: A microwave oven includes: heating chamber (11) for accommodating a heating object; magnetron (12) for heating the heating object accommodated in heating chamber (11); blower (13) for cooling magnetron (12); temperature detection device (17) for detecting a temperature of magnetron (12); and a control device for controlling an output power of magnetron (12) on the basis of temperature information output from temperature detection device (17), wherein temperature detection device (17) is disposed inside cooling fin (19) of magnetron (12), and the control device controls magnetron (12) on the basis of the temperature information obtained before cooking is started, thereby reducing a temperature transfer loss of abnormal heat generated from magnetron (12) and efficiently transferring the heat.Type: ApplicationFiled: February 17, 2010Publication date: November 24, 2011Applicant: PANASONIC CORPORATIONInventors: Kouji Kanzaki, Kazuhiro Kawai, Hisahiro Nishitani
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Publication number: 20110119371Abstract: [Problems] To provide a device data management system which monitors connection with an external device other than user computers constituting a network. [Means for Solving Problems] The system (10) includes: networks (16A-16D) formed by a plurality of user computers (11A-11C, 14A-14C) and device monitoring servers (15A-15D); data relay servers (17A, 17B) which receive various data associated with the computers (11A-11C, 14A-14C) from the servers (15A-15D); and a data management computer (18) which obtains various data from the servers (17A, 17B). The device monitoring servers (15A-15D) have transmission means used when an unregistered computer in which an operation data management application is not installed is connected to the networks (16A-16D), so as to transmit the unregistered computer connection data on the computer to the data relay servers (17A, 17B).Type: ApplicationFiled: August 11, 2008Publication date: May 19, 2011Inventors: Yasufumi Toshima, Kazuhiro Kawai
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Publication number: 20110093587Abstract: [Problems] To provide a device data management system which can know and monitor use of user computers constituting a network and respective operation states. [Means for Solving Problems] A device data management system (10) includes a plurality of networks (16) formed by computers (11-14) and a device monitoring server (15) which monitors them in time series; a data relay server (17) which temporarily stores various information transmitted from the server (15); and a data management computer (18) which acquires various information from the server (17). The server (15) has: use history information collection means which collects application use history information from the computers (11-14) in time series; and use history information transmission means which transmits the collected use history information to the server (17).Type: ApplicationFiled: August 11, 2008Publication date: April 21, 2011Inventors: Yasufumi Toshima, Kazuhiro Kawai