Patents by Inventor Masato Handa
Masato Handa 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: 20220299986Abstract: A diagnostic apparatus includes circuitry that acquires a detection result of a time-varying physical quantity generated by a machine that performs a plurality of processes; generates a determination result of the processing based on the detection result; and outputs, to the machine, batch determination information in units of a plurality of same type processes performed by the machine. The batch determination information indicates whether at least one of the plurality of same type processes is determined as abnormal. Based on the batch determination information, the machine performs an action.Type: ApplicationFiled: February 4, 2022Publication date: September 22, 2022Applicant: Ricoh Company, Ltd.Inventor: Masato HANDA
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Publication number: 20210055708Abstract: An information processing apparatus includes: a first acquisition unit configured to acquire detection information output from a detection unit; a second acquisition unit configured to acquire a signal indicating a section in which the target device operates; an extraction unit configured to extract characteristic information from the detection information; a data generation unit configured to calculate a processing section of each of the processing processes in the target device based on the signal, and classifies the detection information and the characteristic information; and an output control unit configured to output at least one of the signal of a section including the processing section, the detection information, and the characteristic information, and output at least one of the signal of sections including a plurality of processing sections of which cycles are different from each other, a plurality of the detection information, and a plurality of the characteristic information.Type: ApplicationFiled: March 6, 2019Publication date: February 25, 2021Inventors: Masato HANDA, Yasuhiro ONO
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Patent number: 9653906Abstract: A current detection device for detecting an electric current flowing through an inverter, an overcurrent level generation device for generating an abnormality judgment reference value, an overcurrent detection device for generating an interruption signal to the inverter on the basis of an output of the current detection device and the abnormality judgment reference value, and an adjusting apparatus for correcting the abnormality judgment reference value of the overcurrent level generation device on the basis of the output at a time when a constant electric current is applied to the current detection device are provided. The overcurrent level generating device is provided with one or a plurality of resistance value adjusting sections, and generates the abnormality judgment reference value in correspondence to a resistance value of the resistance value adjusting section.Type: GrantFiled: July 29, 2016Date of Patent: May 16, 2017Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Kazunori Sakanobe, Koichi Arisawa, Futoshi Okawa, Masato Handa
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Patent number: 9575574Abstract: A coordinate detection system includes a coordinate input device including a panel surface, an indication tool including a tip part with a conical shape or truncated-conical shape, a first image taking device to take a first image of the indication tool, a second image taking device to take a second image of the indication tool, and an information processing device to detect a first set of two oblique lines of the conical shape or truncated-conical shape based on the first image, detect a second set of two oblique lines of the conical shape or truncated-conical shape based on the second image, and calculate coordinates of a vertex of the tip part on the panel surface based on a first point of intersection between two oblique lines included in the first set and a second point of intersection between two oblique lines included in the second set.Type: GrantFiled: January 5, 2015Date of Patent: February 21, 2017Assignee: Ricoh Company, Ltd.Inventor: Masato Handa
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Publication number: 20160336729Abstract: A current detection device for detecting an electric current flowing through an inverter, an overcurrent level generation device for generating an abnormality judgment reference value, an overcurrent detection device for generating an interruption signal to the inverter on the basis of an output of the current detection device and the abnormality judgment reference value, and an adjusting apparatus for correcting the abnormality judgment reference value of the overcurrent level generation device on the basis of the output at a time when a constant electric current is applied to the current detection device are provided. The overcurrent level generating device is provided with one or a plurality of resistance value adjusting sections, and generates the abnormality judgment reference value in correspondence to a resistance value of the resistance value adjusting section.Type: ApplicationFiled: July 29, 2016Publication date: November 17, 2016Applicant: Mitsubishi Electric CorporationInventors: Kazunori SAKANOBE, Koichi ARISAWA, Futoshi OKAWA, Masato HANDA
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Publication number: 20160188018Abstract: A system includes a first device configured to select an instruction position and a second device. The first device includes a physical quantity detection unit configured to detect a physical quantity acting on the first device at fixed time intervals; and a physical quantity transmission unit configured to send a transmission datum including the physical quantity at the fixed time intervals. The second device includes a position acquisition unit configured to acquire the instruction position, and generate information based on the instruction position; a transmission data reception unit configured to receive the transmission datum; a physical quantity extraction unit configured to extract the physical quantity at the fixed time intervals from the transmission datum; and an information display unit configured to reflect the extracted physical quantity at the fixed time intervals in the information generated based on the acquired instruction position, and to send the information to a display device.Type: ApplicationFiled: December 21, 2015Publication date: June 30, 2016Applicant: RICOH COMPANY, LTD.Inventor: Masato Handa
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Patent number: 9136757Abstract: A power converter includes step-up means for varying a voltage applied by a power supply to a predetermined voltage, commutating means for performing a commutation operation for allowing a current flowing through the step-up means to flow through a second path, smoothing means for smoothing a voltage related to outputs of the step-up means and the commutating means to produce power and supplying the power to a load side, and control means for performing control related to voltage varying, such as stepping up, by the step-up means and controlling the commutation operation of the commutating means on the basis of at least one of a voltage and a current related to the step-up means.Type: GrantFiled: November 4, 2010Date of Patent: September 15, 2015Assignee: Mitsubishi Electric CorporationInventors: Koichi Arisawa, Takuya Shimomugi, Yosuke Shinomoto, Masato Handa, Mitsuo Kashima, Shigeo Umehara, Katsuhiko Saito, Norikazu Ito, Hitoshi Tanifuji, Makoto Tanikawa, Tomomi Higashikawa
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Publication number: 20150193026Abstract: A coordinate detection system includes a coordinate input device including a panel surface, an indication tool including a tip part with a conical shape or truncated-conical shape, a first image taking device to take a first image of the indication tool, a second image taking device to take a second image of the indication tool, and an information processing device to detect a first set of two oblique lines of the conical shape or truncated-conical shape based on the first image, detect a second set of two oblique lines of the conical shape or truncated-conical shape based on the second image, and calculate coordinates of a vertex of the tip part on the panel surface based on a first point of intersection between two oblique lines included in the first set and a second point of intersection between two oblique lines included in the second set.Type: ApplicationFiled: January 5, 2015Publication date: July 9, 2015Applicant: RICOH COMPANY, LTD.Inventor: Masato HANDA
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Patent number: 8959916Abstract: A thermal power plant is proposed for achieving high reliability, low material cost, and low construction cost by devising the arrangement and structures of a boiler, steam turbines, and a flue gas treatment apparatus to reduce a usage amount of high-temperature resistance material and further to reduce a thermal elongation of piping. In a thermal power plant including a 2 pass-type boiler having a furnace for burning fuel, a rear heat recovery area for recovering heat from combustion gas exhausted from the furnace, steam turbines are arranged near the rear heat recovery area.Type: GrantFiled: October 26, 2011Date of Patent: February 24, 2015Assignee: Mitsubishi Hitachi Power Systems, Ltd.Inventors: Kenji Yamamoto, Masato Handa, Naoyuki Nagafuchi, Naohiro Kusumi, Mitsuko Fukuda, Tsuyoshi Shibata, Shinji Matsuura
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Publication number: 20130319299Abstract: In a boiler, a heat exchanger provided in one of two flow paths formed by partitioning a downstream portion of a flow path for exhaust gas discharged from a furnace has a smaller total heat transfer area than a heat exchanger provided in the other of the two flow paths; the exhaust gases discharged from the flow paths to outside the boiler are introduced, without being mixed, into an air heater downstream of the boiler; and, in the air heater, the heat of the exhaust gases is transferred to the primary air and the secondary air so as to heat combustion air.Type: ApplicationFiled: May 28, 2013Publication date: December 5, 2013Applicant: Hitachi, Ltd.Inventors: Masato HANDA, Yoshiharu HAYASHI, Tsuyoshi SHIBATA
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Patent number: 8511258Abstract: Disclosed is a coal boiler that makes it possible to reduce the height of the boiler and shorten the period of construction. The coal boiler includes a first furnace in which a combustion gas generated by burning coal and air ascends; a second furnace in which the combustion gas supplied from the first furnace flows downward; and a heat recovery area in which the combustion gas supplied from the second furnace flows upward.Type: GrantFiled: January 24, 2008Date of Patent: August 20, 2013Assignee: Hitachi, Ltd.Inventors: Kenji Yamamoto, Masato Handa, Teruyuki Okazaki, Kazumi Yasuda, Osamu Ito
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Patent number: 8508165Abstract: A rectifier connected with an AC source through a reactor, a plurality of capacitors connected in series between output terminals of the rectifier, first switching means connected between one input terminal of the rectifier and a connection point of a plurality of capacitors, second switching means connected between the other input terminal of the rectifier and the connection point of a plurality of capacitors, and a plurality of diodes connected with the plurality of capacitors in inverse-parallel are provided.Type: GrantFiled: August 1, 2008Date of Patent: August 13, 2013Assignee: Mitsubishi Electric CorporationInventors: Yosuke Shinomoto, Hideki Takahara, Masato Handa, Makoto Tanikawa, Mitsuo Kashima
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Publication number: 20130152624Abstract: A power converter includes step-up means for varying a voltage applied by a power supply to a predetermined voltage, commutating means for performing a commutation operation for allowing a current flowing through the step-up means to flow through a second path, smoothing means for smoothing a voltage related to outputs of the step-up means and the commutating means to produce power and supplying the power to a load side, and control means for performing control related to voltage varying, such as stepping up, by the step-up means and controlling the commutation operation of the commutating means on the basis of at least one of a voltage and a current related to the step-up means.Type: ApplicationFiled: November 4, 2010Publication date: June 20, 2013Applicant: MitsubishiI Electric CorporationInventors: Koichi Arisawa, Takuya Shimomugi, Yosuke Shinomoto, Masato Handa, Mitsuo Kashima, Shigeo Umehara, Katsuhiko Saito, Norikazu Ito, Hitoshi Tanifuji, Makoto Tanikawa, Tomomi Higashikawa
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Publication number: 20120102955Abstract: A thermal power plant is proposed for achieving high reliability, low material cost, and low construction cost by devising the arrangement and structures of a boiler, steam turbines, and a flue gas treatment apparatus to reduce a usage amount of high-temperature resistance material and further to reduce a thermal elongation of piping. In a thermal power plant including a 2 pass-type boiler having a furnace for burning fuel, a rear heat recovery area for recovering heat from combustion gas exhausted from the furnace, steam turbines are arranged near the rear heat recovery area.Type: ApplicationFiled: October 26, 2011Publication date: May 3, 2012Applicant: Hitachi, Ltd.Inventors: Kenji YAMAMOTO, Masato Handa, Naoyuki Nagafuchi, Naohiro Kusumi, Mitsuko Fukuda, Tsuyoshi Shibata, Shinji Matsuura
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Publication number: 20110157752Abstract: A current detection device for detecting an electric current flowing through an inverter, an overcurrent level generation device for generating an abnormality judgment reference value, an overcurrent detection device for generating an interruption signal to the inverter on the basis of an output of the current detection device and the abnormality judgment reference value, and an adjusting apparatus for correcting the abnormality judgment reference value of the overcurrent level generation device on the basis of the output at a time when a constant electric current is applied to the current detection device are provided. The overcurrent level generating device is provided with one or a plurality of resistance value adjusting sections, and generates the abnormality judgment reference value in correspondence to a resistance value of the resistance value adjusting section.Type: ApplicationFiled: September 8, 2008Publication date: June 30, 2011Applicant: Mitsubishi Electric CorporationInventors: Kazunori Sakanobe, Koichi Arisawa, Futoshi Okawa, Masato Handa
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Publication number: 20110101898Abstract: A rectifier connected with an AC source through a reactor, a plurality of capacitors connected in series between output terminals of the rectifier, first switching means connected between one input terminal of the rectifier and a connection point of a plurality of capacitors, second switching means connected between the other input terminal of the rectifier and the connection point of a plurality of capacitors, and a plurality of diodes connected with the plurality of capacitors in inverse-parallel are provided.Type: ApplicationFiled: August 1, 2008Publication date: May 5, 2011Inventors: Yosuke Shinomoto, Hideki Takahara, Masato Handa, Makoto Tanikawa, Mitsuo Kashima
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Publication number: 20080276844Abstract: Disclosed is a coal boiler that makes it possible to reduce the height of the boiler and shorten the period of construction. The coal boiler includes a first furnace in which a combustion gas generated by burning coal and air ascends; a second furnace in which the combustion gas supplied from the first furnace flows downward; and a heat recovery area in which the combustion gas supplied from the second furnace flows upward.Type: ApplicationFiled: January 24, 2008Publication date: November 13, 2008Inventors: Kenji YAMAMOTO, Masato Handa, Teruyuki Okazaki, Kazumi Yasuda, Osamu Ito