Patents by Inventor Taizo Miyazaki
Taizo Miyazaki 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: 11967458Abstract: A superconducting coil includes: a winding member 12 that has a side surface 18 along a coil radial direction and is formed by laminating a superconducting tape wire 20 in the coil radial direction by winding; and a bypass 19 that is provided on the side surface 18 of the winding member 12 and electrically connects the superconducting tape wire 20 in the coil radial direction.Type: GrantFiled: June 30, 2023Date of Patent: April 23, 2024Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Energy Systems & Solutions CorporationInventors: Sadanori Iwai, Taizo Tosaka, Hiroshi Miyazaki, Kenji Tasaki
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Patent number: 9487747Abstract: Disclosed is a cell culture vessel of the present invention, which is composed of a space enclosed by a housing that supports a medium and a cell attachment part, disposed on the bottom surface of the space, that attaches and supports the cells, the cell attachment part having a cell immobilizing mechanism that guides the cells in the space to the cell attachment part to immobilize there and a cell detachment mechanism that detaches the cells attached in the cell attachment part, the cell immobilizing mechanism having a step of applying a voltage to an electrode disposed in the cell attachment part to generate a heterogeneous electric field in the space, and the cell detachment mechanism having a step of applying a voltage to an electrode disposed in the cell attachment part to induce electrolyte in the space.Type: GrantFiled: June 5, 2012Date of Patent: November 8, 2016Assignee: HITACHI, LTD.Inventors: Guangbin Zhou, Taizo Miyazaki, Ryota Nakajima, Toyoshige Kobayashi, Shizu Matsuoka
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Publication number: 20150349588Abstract: Provided is a bearing electrolytic corrosion countermeasure technology achieving excellent reliability without increasing the number of components.Type: ApplicationFiled: January 24, 2014Publication date: December 3, 2015Inventors: Hirooki TOKOI, Yuji ENOMOTO, Kenta DEGUCHI, Taizo MIYAZAKI, Koji OBATA
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Publication number: 20140186941Abstract: Disclosed is a cell culture vessel of the present invention, which is composed of a space enclosed by a housing that supports a medium and a cell attachment part, disposed on the bottom surface of the space, that attaches and supports the cells, the cell attachment part having a cell immobilizing mechanism that guides the cells in the space to the cell attachment part to immobilize there and a cell detachment mechanism that detaches the cells attached in the cell attachment part, the cell immobilizing mechanism having a step of applying a voltage to an electrode disposed in the cell attachment part to generate a heterogeneous electric field in the space, and the cell detachment mechanism having a step of applying a voltage to an electrode disposed in the cell attachment part to induce electrolyte in the space.Type: ApplicationFiled: June 5, 2012Publication date: July 3, 2014Inventors: Guangbin Zhou, Taizo Miyazaki, Ryota Nakajima, Toyoshige Kobayashi, Shizu Matsuoka
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Patent number: 8347282Abstract: An embedded controller development tool which generates an interface means for preserving and outputting a control data calculated by the control operation means based on a specific computational procedure, and providing said control data to a plurality of control operation means including said control operation means; wherein the control operation means is described as a function in the source code of the program, the reference data used for calculation by said control operation is an argument of the function, said control data calculated by said control operation means is the argument of the function which points the return value or the address of said function.Type: GrantFiled: August 20, 2008Date of Patent: January 1, 2013Assignee: Hitachi, Ltd.Inventors: Kentaro Yoshimura, Taizo Miyazaki, Takanori Yokoyama
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Publication number: 20100252341Abstract: The electric rotary machine comprises a stator and a rotor. The rotor is incorporated rotatablly inside the stator keeping an air gap between the rotor and the stator, the rotor being divided into at least two of a first rotor and a second rotor in a direction of a rotating shaft thereof, and each of the first and second rotors having field magnets with different polarities disposed alternatively in a rotating direction of the rotor. A magnetic flux control mechanism controls effective magnetic fluxes by varying positions of the field magnets of the second rotor relatively with respect to that of the first rotor in at least the rotating direction of the rotor. The stator core is provided with a magnetoresistive layer that is interposed in the path of the effective magnetic fluxes in the stator core.Type: ApplicationFiled: March 1, 2010Publication date: October 7, 2010Inventors: Kohin SHU, Taizo Miyazaki, Akiyoshi Komura, Noriaki Hino
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Publication number: 20100164422Abstract: An electric rotary machine is disclosed which can adjust relative angles of sub-rotors continuously and regardless of torque direction without generating an attractive force between the field magnets of the sub-rotors. The electric rotary machine includes: a stator having a winding; a dual rotor which is rotatably disposed with a gap from the stator and divided axially along a shaft into a first rotor and a second rotor each having field magnets with different polarities arranged alternately in a rotation direction; a mechanism for varying the axial position of the second rotor relative to the first rotor continuously; and a non-magnetic member located between the first rotor and the second rotor.Type: ApplicationFiled: December 23, 2009Publication date: July 1, 2010Inventors: Kohin SHU, Taizo MIYAZAKI, Houng Joong KIM, Satoru OKABE
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Publication number: 20090192013Abstract: An object of the present invention is to provide a hybrid vehicle having a simple system configuration. The hybrid vehicle comprises an engine 10; a continuously variable transmission 20 connected to an output shaft of the engine 10; and a rotating electric machine 100 operating as a motor or a generator. The rotating electric machine 100 is the permanent magnet field type having field-generating permanent magnets 124 in a rotor. The rotating electric machine 100 is also the variable flux type having a first rotor 120A and a second rotor 120B rotatably provided on the inner circumference of a stator 110 so that the amount of effective magnetic flux can be varied through means for adjusting the relative phase angle by changing a magnetic pole position by permanent magnets of the second rotor 120B relative to a magnetic pole position by permanent magnets of the first rotor 120A.Type: ApplicationFiled: November 24, 2008Publication date: July 30, 2009Applicant: HITACHI, LTD.Inventors: Houng Joong Kim, Taizo Miyazaki
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Publication number: 20080313614Abstract: An embedded controller development tool which generates an interface means for preserving and outputting a control data calculated by the control operation means based on a specific computational procedure, and providing said control data to a plurality of control operation means including said control operation means; wherein the control operation means is described as a function in the source code of the program, the reference data used for calculation by said control operation is an argument of the function, said control data calculated by said control operation means is the argument of the function which points the return value or the address of said function.Type: ApplicationFiled: August 20, 2008Publication date: December 18, 2008Applicant: HITACHI, LTD.Inventors: Kentaro YOSHIMURA, Taizo Miyazaki, Takanori Yokoyama
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Patent number: 7444985Abstract: A transient correction of an ignition timing is precisely executed even in a transient state. The ignition timing at a stationary time is computed on the basis of an operating state detected by an operating state detecting means, and the ignition timing at the stationary time is corrected by a transient time ignition timing correcting means defined by a transfer function G(s).Type: GrantFiled: December 18, 2006Date of Patent: November 4, 2008Assignee: Hitachi, Ltd.Inventors: Kunihiko Suzuki, Taizo Miyazaki, Mamoru Nemoto
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Patent number: 7290529Abstract: A spark advance controller capable of controlling spark advance in an internal combustion engine with high accuracy without requiring a larger number of data maps and performing laborious optimization tests using an actual engine. In the spark advance controller, map data for controlling the spark advance is computed by a numerical simulator simulating an internal combustion engine, and the map data for spark advance control is approximated with a regression model. The spark advance is computed by using the regression model depending on the detected operating conditions.Type: GrantFiled: January 18, 2006Date of Patent: November 6, 2007Assignee: Hitachi, Ltd.Inventors: Kunihiko Suzuki, Taizo Miyazaki, Mamoru Nemoto, Takuya Shiraishi
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Publication number: 20070137618Abstract: A transient correction of an ignition timing is precisely executed even in a transient state. The ignition timing at a stationary time is computed on the basis of an operating state detected by an operating state detecting means, and the ignition timing at the stationary time is corrected by a transient time ignition timing correcting means defined by a transfer function G(s).Type: ApplicationFiled: December 18, 2006Publication date: June 21, 2007Applicant: Hitachi, Ltd.Inventors: Kunihiko Suzuki, Taizo Miyazaki, Mamoru Nemoto
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Publication number: 20070136015Abstract: A diagnosis apparatus for diagnosing state of equipment includes an interval estimation unit which receives time series information from diagnosis object equipment and detects a change point of the time series information, a state estimation unit which receives the time series information from the diagnosis object equipment and change point information from the interval estimation unit, divides the time series information temporally with the change point as a boundary, and estimates a state of the equipment from before and after relation of an interval or relation with another time series information per divided interval, and an equipment diagnosis unit which diagnoses the equipment according to an estimated state.Type: ApplicationFiled: November 29, 2006Publication date: June 14, 2007Applicant: Hitachi, Ltd.Inventors: Hideaki Suzuki, Taizo Miyazaki, Koichiro Tanikoshi
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Patent number: 7105964Abstract: An electric rotating machine has a rotor, a stator and a casing. A planetary roller mechanism constituted by a sun roller, a planet roller, a ring roller and a carrier is provided within the rotor so as to transmit the driving force of the rotor to the outside from a power shaft. Oil is sealed within the rotor or the casing. The planetary roller mechanism may be provided within the casing or at the outside of the rotor and, in this case, oil is sealed within the casing.Type: GrantFiled: August 28, 2002Date of Patent: September 12, 2006Assignees: Hitachi, Ltd., Sumitomo Heavy Industries, Ltd.Inventors: Taizo Miyazaki, Yasuo Morooka, Kiyoji Minegishi, Jun Tamenaga
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Publication number: 20060157029Abstract: A spark advance controller capable of controlling spark advance in an internal combustion engine with high accuracy without requiring a larger number of data maps and performing laborious optimization tests using an actual engine. In the spark advance controller, map data for controlling the spark advance is computed by a numerical simulator simulating an internal combustion engine, and the map data for spark advance control is approximated with a regression model. The spark advance is computed by using the regression model depending on the detected operating conditions.Type: ApplicationFiled: January 18, 2006Publication date: July 20, 2006Applicant: Hitachi, Ltd.Inventors: Kunihiko Suzuki, Taizo Miyazaki, Mamoru Nemoto, Takuya Shiraishi
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Patent number: 6995480Abstract: Power supply equipment for a motor vehicle, includes a motor generator, an inverter for driving the motor generator, a battery and a capacitor of an electrical double layer, wherein the capacitor is directly connected to a DC side of the inverter and the battery is connected in parallel with the capacitor via a first switching unit. When an engine is started up, the power stored in the capacitor is used, and the switching units are turned off to separate the battery from the start-up of the engine.Type: GrantFiled: December 9, 2004Date of Patent: February 7, 2006Assignee: Hitachi, Ltd.Inventors: Masahiko Amano, Yasuo Morooka, Taizo Miyazaki, Tomoyuki Hanyu
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Publication number: 20050093370Abstract: Power supply equipment for a motor vehicle, comprising a motor generator, an inverter for driving said motor generator, a battery and a capacitor of an electrical double layer, wherein the capacitor is directly connected to a DC side of the inverter and the battery is connected in parallel with the capacitor via a first switching unit. When an engine is started up, the power stored in the capacitor is used, and the switching units are turned off to separate the battery from the start-up of the engine.Type: ApplicationFiled: December 9, 2004Publication date: May 5, 2005Applicant: Hitachi, Ltd.Inventors: Masahiko Amano, Yasuo Morooka, Taizo Miyazaki, Tomoyuki Hanyu
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Patent number: 6861767Abstract: Power supply equipment for a motor vehicle, includes a motor generator, an inverter for driving the motor generator, a battery and a capacitor of an electrical double layer. The capacitor is directly connected to a DC side of the inverter and the battery is connected in parallel with the capacitor via a first switching unit. When an engine is started up, the power stored in the capacitor is used, and the switching units are turned off to separate the battery from the start-up of the engine.Type: GrantFiled: August 30, 2001Date of Patent: March 1, 2005Assignee: Hitachi, Ltd.Inventors: Masahiko Amano, Yasuo Morooka, Taizo Miyazaki, Tomoyuki Hanyu
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Patent number: 6833646Abstract: A hybrid drive type vehicle having a permanent magnet type synchronous motor can provide high torque characteristics in low revolution speed range of the engine and high power generation characteristics at high revolution speed range of the engine. The hybrid drive type vehicle includes an electric rotary machine being formed with a stator and a rotor. A field magnet of the rotor include a first field magnet and a second field magnet. The first and second field magnets are opposing with a magnetic pole of the stator and having a mechanism for varying a phase of a magnetic pole resulting from combination of the first and second field magnets relative to the magnetic pole of the first field magnet depending upon direction of a torque of the rotor.Type: GrantFiled: January 8, 2004Date of Patent: December 21, 2004Assignees: Hitachi, Ltd., Hitachi Car Engineering Co., Ltd.Inventors: Kim Houng Joong, Kazuo Tahara, Kou Ajima, Koki Ueta, Toshiyuki Innami, Noriaki Hino, Taizo Miyazaki, Tomoyuki Hanyu, Kousaku Ohno
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Patent number: 6808468Abstract: A composite power transmission mechanism 10, comprising the combination of a planetary gear unit 15 and a differential planetary gear mechanism 16, wherein a planetary gear is connected with a drive shaft of a vehicle, while other three gears let the shafts of the motor 12, a motor 13 and an engine 11 rotate respectively. The drive shaft of the vehicle is made to rotate by means of the planetary gear of the composite power transmission mechanism; since the rotation of different sources of a driving force, i.e., those of the motor 12, the motor 13 and the engine 11, can be transmitted to one another by only one meshing of the gears, the mechanical loss that is dependent on the number of times of the meshing of the gears can be reduced to a minimum.Type: GrantFiled: September 26, 2002Date of Patent: October 26, 2004Assignee: Hitachi, Ltd.Inventors: Taizo Miyazaki, Tomoyuki Haniu, Ryoso Masaki, Masahiko Amano, Yasuo Morooka