Patents by Inventor Minoru Koga
Minoru Koga 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: 11809154Abstract: A multi-axis control adjustment apparatus includes adjustment axis selection circuitry configured to select a plurality of target axes among a plurality of axes each of which represents a combination of a motor and a motor control device configured to control the motor according to a control parameter of the motor control device, adjustment operation execution circuitry configured to perform adjustment operations in each of which the control parameter is adjusted with respect to each of the plurality of target axes, and first control parameter setting circuitry configured to change, according to the adjustment operations, timing at which the control parameter is set with respect to each of the plurality of target axes.Type: GrantFiled: November 17, 2021Date of Patent: November 7, 2023Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Minoru Koga, Isamu Matsumura, Junichi Watanabe, Toshinobu Kira, Tetsuya Asai
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Publication number: 20230106184Abstract: An abnormality determination system includes first data acquisition circuitry configured to acquire time-series data relating to an operation of a device, sample data creation circuitry configured to create sample data based on abnormality time-series data which the first data acquisition circuitry acquires while an abnormality occurs in the operation of the device, and first abnormality determination circuitry configured to determine the abnormality in the operation of the device based on the time-series data and the sample data.Type: ApplicationFiled: August 29, 2022Publication date: April 6, 2023Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Tadashi OKUBO, Toshinobu KIRA, Junya HISAMATSU, Minoru KOGA
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Publication number: 20220411236Abstract: A gantry drive system includes: a first motor configured to drive a driving object along a first axis; a second motor configured to drive the driving object along a second axis parallel with the first axis; and a motor control system configured to control the first and second motors. The motor control system includes a mode switch that performs a switching between a first control mode in which a position of the driving object on each of the first and second axes is individually controlled while reducing an inter-axis positional deviation between the first and second axes, and a second control mode in which a rotational state of the driving object is controlled while controlling a position of the driving object, based on detected positions of the driving object on the first and second axes.Type: ApplicationFiled: July 15, 2022Publication date: December 29, 2022Inventors: Minoru KOGA, Shota KAWAHARA, Junichi ITO
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Publication number: 20220197240Abstract: A multi-axis control adjustment apparatus includes adjustment axis selection circuitry configured to select a plurality of target axes among a plurality of axes each of which represents a combination of a motor and a motor control device configured to control the motor according to a control parameter of the motor control device, adjustment operation execution circuitry configured to perform adjustment operations in each of which the control parameter is adjusted with respect to each of the plurality of target axes, and first control parameter setting circuitry configured to change, according to the adjustment operations, timing at which the control parameter is set with respect to each of the plurality of target axes.Type: ApplicationFiled: November 17, 2021Publication date: June 23, 2022Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Minoru KOGA, Isamu MATSUMURA, Junichi WATANABE, Toshinobu KIRA, Tetsuya ASAI
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Publication number: 20220146989Abstract: Provided is an extension module which is an extension module which is to be connected to an external terminal of an industrial equipment, and includes at least a processor and a memory. The memory stores a machine learning model for estimating at least one of a parameter of the industrial equipment and an internal state of a device controlled by the industrial equipment, and the processor performs learning of the machine learning model with information obtained from the industrial equipment as teacher data.Type: ApplicationFiled: January 20, 2022Publication date: May 12, 2022Inventors: Yasufumi YOSHIURA, Minoru KOGA, Toshinobu KIRA
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Patent number: 11277388Abstract: A communication system, comprising a plurality of industrial machines configured to perform synchronous communication, wherein each of the plurality of industrial machines configured to: encrypt transmission data; transmit the encrypted transmission data to another industrial machine; receive encrypted reception data from the another industrial machine; and decrypt the encrypted reception data.Type: GrantFiled: April 22, 2020Date of Patent: March 15, 2022Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Yasufumi Yoshiura, Hirotaka Niimi, Minoru Koga, Toshinobu Kira
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Publication number: 20210155421Abstract: A conveying system includes a guide constituting a conveying path, a carrier configured to move along the conveying path, a magnetic member provided on one of the guide and the carrier so as to be arranged along the conveying path, a plurality of coils provided on the other one of the guide and the carrier and configured to generate thrust along the conveying path by generating a moving magnetic field acting on the magnetic member in accordance with supply of power, a magnetic sensor configured to detect magnetism varying with a movement of the carrier, and a controller which is configured to execute position detection of a first method of obtaining a position of the carrier based on inductance variation of the coil and execute position detection of a second method of obtaining a position of the carrier based on an output of the magnetic sensor.Type: ApplicationFiled: February 3, 2021Publication date: May 27, 2021Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Minoru KOGA, Hiromitsu AKAE, Yuki HONDA, Mina ORII, Go YAMAGUCHI, Sohei OGA, Hidenori HARA
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Patent number: 10947066Abstract: A conveying system includes a plurality of carriers and circuitry. The plurality of carriers has a power source generating thrust in accordance with supply of power and moves along a conveying path. The circuitry is configured to execute detection of a collision between the carriers based on an increase in the thrust in the carriers.Type: GrantFiled: June 28, 2019Date of Patent: March 16, 2021Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Minoru Koga, Hiromitsu Akae, Yuki Honda, Mina Orii, Go Yamaguchi, Sohei Oga, Hidenori Hara
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Publication number: 20200344216Abstract: A communication system, comprising a plurality of industrial machines configured to perform synchronous communication, wherein each of the plurality of industrial machines configured to: encrypt transmission data; transmit the encrypted transmission data to another industrial machine; receive encrypted reception data from the another industrial machine; and decrypt the encrypted reception data.Type: ApplicationFiled: April 22, 2020Publication date: October 29, 2020Inventors: Yasufumi YOSHIURA, Hirotaka NIIMI, Minoru KOGA, Toshinobu KIRA
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Publication number: 20190315580Abstract: A conveying system includes a plurality of carriers and circuitry. The plurality of carriers has a power source generating thrust in accordance with supply of power and moves along a conveying path. The circuitry is configured to execute detection of a collision between the carriers based on an increase in the thrust in the carriers.Type: ApplicationFiled: June 28, 2019Publication date: October 17, 2019Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Minoru KOGA, Hiromitsu Akae, Yuki Honda, Mina Orii, Go Yamaguchi, Sohei Oga, Hidenori Hara
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Patent number: 10336559Abstract: A conveying system includes at least one guide unit and a carrier. The guide unit includes a traveling surface, at least one guide rail, and a magnetic member formed of a soft magnetic material and including a plurality of salient poles aligned along a conveying path. The carrier includes at least one roller coming in contact with the guide rail from a side direction, at least one wheel coming in contact with the traveling surface, and a plurality of coils provided to overlap with the magnetic member in plan view, and configured to generate thrust along the conveying path and attraction toward the magnetic member by generating a moving magnetic field acting on the magnetic member in accordance with supply of power.Type: GrantFiled: November 28, 2017Date of Patent: July 2, 2019Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Minoru Koga, Hiromitsu Akae, Yuki Honda, Mina Orii, Go Yamaguchi, Sohei Oga, Hidenori Hara
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Publication number: 20180079605Abstract: A conveying system includes at least one guide unit and a carrier. The guide unit includes a traveling surface, at least one guide rail, and a magnetic member formed of a soft magnetic material and including a plurality of salient poles aligned along a conveying path. The carrier includes at least one roller coming in contact with the guide rail from a side direction, at least one wheel coming in contact with the traveling surface, and a plurality of coils provided to overlap with the magnetic member in plan view, and configured to generate thrust along the conveying path and attraction toward the magnetic member by generating a moving magnetic field acting on the magnetic member in accordance with supply of power.Type: ApplicationFiled: November 28, 2017Publication date: March 22, 2018Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Minoru KOGA, Hiromitsu AKAE, Yuki HONDA, Mina ORII, Go YAMAGUCHI, Sohei OGA, Hidenori HARA
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Patent number: 9379649Abstract: A linear motor system includes a stator, a mover, and a controller. The stator includes a plurality of armature coil units arranged so as to be spaced apart from one another at certain intervals. The mover includes a permanent magnet. The controller is configured to sequentially select, as a power-feeding target, an armature coil unit opposing the mover from among the plurality of armature coil units, perform, for the power-feeding target, computation for power-feeding control on the basis of a speed command, and sequentially feed power to the armature coil unit. The controller includes a power-feeding-switching compensation function of performing switching compensation when the power-feeding target is switched to a next armature coil unit.Type: GrantFiled: March 25, 2014Date of Patent: June 28, 2016Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Yoshiyasu Takase, Shinya Morimoto, Toru Shikayama, Minoru Koga, Nobuhiro Umeda
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Publication number: 20150212518Abstract: An equipment selection device for selecting peripheral equipment including servo motors and motor control devices in a multi-axis drive system includes circuitry which receives, for each operation axis, a selection of a speed pattern from available speed patterns determined in advance, receives, for each operation axis, a selection of a driven mechanism from available driven mechanisms determined in advance, extracts, for each operation axis, in response to receiving the selection of the driven mechanism and from servo motors and motor control devices determined in advance, one or more servo motors and motor control devices matching variation of a load mass borne by the selected mechanism when operating in conjunction with other mechanisms and matching the selected pattern, generates a list from the extracted servo motor or motors and motor control device or devices, displays the list, and receives selection from the list.Type: ApplicationFiled: April 3, 2015Publication date: July 30, 2015Applicant: Kabushiki Kaisha Yaskawa DenkiInventors: Nobuhiro UMEDA, Minoru KOGA, Yoshihisa MUTA, Takeshi NAGATA, Takehiko KOMIYA
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Publication number: 20150035458Abstract: A linear motor system includes a stator, a mover, and a controller. The stator includes a plurality of armature coil units arranged so as to be spaced apart from one another at certain intervals. The mover includes a permanent magnet. The controller is configured to sequentially select, as a power-feeding target, an armature coil unit opposing the mover from among the plurality of armature coil units, perform, for the power-feeding target, computation for power-feeding control on the basis of a speed command, and sequentially feed power to the armature coil unit. The controller includes a power-feeding-switching compensation function of performing switching compensation when the power-feeding target is switched to a next armature coil unit.Type: ApplicationFiled: March 25, 2014Publication date: February 5, 2015Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Yoshiyasu TAKASE, Shinya MORIMOTO, Toru SHIKAYAMA, Minoru KOGA, Nobuhiro UMEDA
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Publication number: 20050061360Abstract: In a photovoltaic solar cell module assembly of the present invention, a plurality of photovoltaic solar cell modules that receive light irradiation and generate a predetermined power output are connected in series, and each of positive and negative electrodes located on both ends of a row of the series-connected photovoltaic solar cell modules is bifurcated.Type: ApplicationFiled: September 30, 2004Publication date: March 24, 2005Inventors: Tatsuji Horioka, Minoru Koga, Kazuhiko Ogawa, Nobuki Oka
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Patent number: 6033634Abstract: A hydrogen manufacturing apparatus is equipped with a plate type high-temperature shift converter (II) which has a shift reaction chamber (7) which is filled with a high-temperature shift catalyst (8) and into which a reformed gas is introduced, a cooling chamber (9) which is filled with a filler (10) for promoting heat transfer and into which a cooling gas is introduced, and a partition (6) for separating the shift reaction chamber and the cooling chamber. The shift reaction chamber has a hydrogen gas chamber (11) separated by a plate type partition (12), and the partition is composed of a porous plate (14) and a hydrogen permeable film (13) which is coated or plated thereon and which lets only hydrogen gas permeate therethrough. Thus only hydrogen generated in the shift reaction chamber permeates the hydrogen permeable film into the hydrogen gas chamber.Type: GrantFiled: March 24, 1998Date of Patent: March 7, 2000Assignee: Ishikawajima-Harima Heavy Industries Co., Ltd.Inventor: Minoru Koga
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Patent number: 5670269Abstract: A plate reformer has a pair of combustion chambers, a reforming chamber in between the combustion chambers, and heat transfer plates sandwiched between the reforming chamber and the combustion chambers. The reforming chamber includes an inlet end for introduction of reforming gas and an outlet end for emission of reformed gas. The combustion chamber includes an inlet end for introduction of air and fuel and an outlet end for emission of combusted gas. A gas permeable partition wall is provided in the reforming chamber to partition it into a reforming reaction section having the inlet end and a heat exchange section having the outlet end. A gas permeable partition wall is provided in each combustion chamber to partition each into a combustion reaction section having the inlet end and a heat exchange section having the outlet end.Type: GrantFiled: November 27, 1996Date of Patent: September 23, 1997Assignee: Ishikawajima-Harima Heavy Industries, Co., Ltd.Inventors: Kouki Hamada, Minoru Mizusawa, Minoru Koga
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Patent number: 5609834Abstract: A plate reformer has a pair of combustion chambers, a reforming chamber in between the combustion chambers, and heat transfer plates sandwiched between the reforming chamber and the combustion chambers. The reforming chamber includes an inlet end for introduction of reforming gas and an outlet end for emission of reformed gas. The combustion chamber includes an inlet end for introduction of air and fuel and an outlet end for emission of combusted gas. A gas permeable partition wall is provided in the reforming chamber to partition it into a reforming reaction section having the inlet end and a heat exchange section having the outlet end. A gas permeable partition wall is provided in each combustion chamber to partition each into a combustion reaction section having the inlet end and a heat exchange section having the outlet end.Type: GrantFiled: June 30, 1995Date of Patent: March 11, 1997Assignee: Ishikawajima-Harima Heavy Industries Co., Ltd.Inventors: Kouki Hamada, Minoru Mizusawa, Minoru Koga
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Patent number: 5270127Abstract: A plate type shift converter comprises a stack of alternately piled shift reactor plates and cooling plates and various gas intake and exhaust manifolds mounted on lateral faces of the stack. Each shift reactor plate includes a plate member, a masking frame provided along the periphery of the plate member, a gas entrance formed in the masking frame, a gas exit formed at a location opposite the gas entrance in the masking frame and a shift catalyst located in the masking frame. Each cooling plate includes a plate member, a masking frame provided along the periphery of the plate member, a gas entrance formed in the masking frame, a gas exit formed at a location opposite the second gas entrance in the masking frame and a fin plate located in the masking frame. When gases are introduced to the shift reactor plate, the gases undergo the CO shift reaction (exothermic reaction) as they flow contacting the shift catalyst.Type: GrantFiled: July 9, 1992Date of Patent: December 14, 1993Assignee: Ishikawajima-Harima Heavy Industries Co., Ltd.Inventors: Minoru Koga, Souichirou Kawakami, Minoru Mizusawa