Patents by Inventor Takanobu Saito
Takanobu Saito 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: 10040112Abstract: A springback-reduced part formed by performing a springback reduction on a press-formed part that is formed by a press forming of a blank sheet made of a metal sheet. The springback-reduced part is formed by setting each element of an analytic model of the press-formed part to a stressed state that causes a springback, performing an optimization analysis for shape to detect a portion of the press-formed part that highly contributes to the rigidity thereof, applying a rigidity improving means on a specific portion of the press-formed part on the basis of the detected portion, and performing the press forming.Type: GrantFiled: August 28, 2013Date of Patent: August 7, 2018Assignee: JFE STEEL CORPORATIONInventor: Takanobu Saito
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Patent number: 9925578Abstract: A method for reducing springback in a press-formed part according to the present invention includes an analytic model forming step including forming an analytic model of the part from plane elements and/or solid elements; a stressed-state setting step including setting each of the elements of the analytic model to a stressed state that causes a springback; a rigidity-contributable-portion detecting step including performing an optimization analysis for shape on the analytic model with the elements set to the stressed state in the stressed-state setting step to detect a portion of the part that highly contributes to the rigidity of the part; and a rigidity improving step including applying a rigidity improving means to the part on a basis of the portion detected in the rigidity-contributable-portion detecting step.Type: GrantFiled: August 28, 2013Date of Patent: March 27, 2018Assignee: JFE STEEL CORPORATIONInventor: Takanobu Saito
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Patent number: 9858714Abstract: Shape optimization analyzing methods according to aspects of the present invention are analysis methods for optimizing part of a structure model using plane elements or three-dimensional elements. The methods include a design-space defining step of defining a portion of the structure model that is to be optimized as a design space, an optimization-block-model generating step of generating an optimization block model in the defined design space, the optimization block model being formed of three-dimensional elements and analyzed for optimization, a coupling step of coupling the generated optimization block model with the structure model, and an analyzing step of performing analysis in accordance with input of an analytic condition to calculate an optimal shape of the optimization block model.Type: GrantFiled: November 6, 2012Date of Patent: January 2, 2018Assignee: JFE Steel CorporationInventor: Takanobu Saito
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Patent number: 9798836Abstract: An optimization analyzing apparatus, configured of a computer, includes: a part shape pattern setting device that divides a part of a structural body including a two-dimensional element and/or a three-dimensional element into a plurality of segments in an axis direction, changes a height or width of a cross section of each of the segments divided, and sets a part shape pattern; a rigidity analyzing device that performs plural kinds of rigidity analyses of the structural body; a multivariate analyzing device that obtains a multiple regression coefficient, and a coefficient of determination or an adjusted R-square; a rigidity analysis selection device that selects any having strong correlation from among the rigidity analyses of the plural kinds; and a cross-sectional shape determination device that determines a cross-sectional shape of each of the segments divided.Type: GrantFiled: March 1, 2013Date of Patent: October 24, 2017Assignee: JFE Steel CorporationInventor: Takanobu Saito
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Patent number: 9635463Abstract: Provided are a vibrating body for speaker device which prevents interlayer from peeling in advance and includes a large effective vibration area, and a speaker device including this vibrating body for speaker device. The vibrating body for speaker device includes a first interlaced fiber member, and a second interlaced fiber member which overlaps with the first interlaced fiber member, and one of the first interlaced fiber member and the second interlaced fiber member includes polyvinyl alcohol fibers containing boron, and an outer circumferential portion of the first interlaced fiber member is larger than an outer circumferential portion of the second interlaced fiber member.Type: GrantFiled: April 1, 2013Date of Patent: April 25, 2017Assignees: PIONEER CORPORATION, TOHOKU PIONEER CORPORATION, MOGAMI DENKI CORPORATIONInventors: Kazuharu Kawata, Haruki Hoshikawa, Yoshihiro Sato, Takanobu Saito
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Patent number: 9470180Abstract: A resin-made molded cylinder head cover, which is light in weight and relatively thin particularly at a flange part thereof comprises a cover part that is rectangular in shape and has a plurality of plug holes aligned in a longitudinally extending center area of the cover part; a flange part that is integral with and extends around a periphery of the cover part, so that the cylinder head cover is shaped like a rectangular shallow dish; and thicker elongate bead portions that are integral with the cover part and extend respectively along laterally opposed sides of the longitudinally extending center area, each bead portion being thicker than a general area of the cover part.Type: GrantFiled: February 24, 2014Date of Patent: October 18, 2016Assignee: MAHLE FILTER SYSTEMS JAPAN CORPORATIONInventors: Takanobu Saito, Masanori Suto, Satoshi Arakawa
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Patent number: 9256486Abstract: A synchronization controller has a synchronization determiner for determining a synchronization deviation in a CPU, an abnormality sign related information obtainer for obtaining abnormality sign related information on the basis of transaction monitoring information, and an abnormality determiner, when there is a synchronization deviation, for determining the presence/absence of a sign of abnormality in the CPU on the basis of the abnormality sign related information.Type: GrantFiled: August 21, 2012Date of Patent: February 9, 2016Assignee: NEC CorporationInventor: Takanobu Saito
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Publication number: 20160037262Abstract: Provided are a vibrating body for speaker device which prevents interlayer from peeling in advance and includes a large effective vibration area, and a speaker device including this vibrating body for speaker device. The vibrating body for speaker device includes a first interlaced fiber member, and a second interlaced fiber member which overlaps with the first interlaced fiber member, and one of the first interlaced fiber member and the second interlaced fiber member includes polyvinyl alcohol fibers containing boron, and an outer circumferential portion of the first interlaced fiber member is larger than an outer circumferential portion of the second interlaced fiber member.Type: ApplicationFiled: April 1, 2013Publication date: February 4, 2016Applicants: PIONEER CORPORATION, MOGAMI DENKI CORPORATION, TOHOKU PIONEER CORPORATIONInventors: Kazuharu KAWATA, Haruki HOSHIKAWA, Yoshihiro SATO, Takanobu SAITO
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Publication number: 20160004793Abstract: A method for analysis of shape optimization includes: setting, as a design space, a portion to be optimized in a movable portion; generating, in the set design space, an optimization block model formed of three-dimensional elements and is to be subjected to analysis processing of optimization; connecting the generated optimization block model with a structural body model; setting a material property for the optimization block model; setting an optimization analysis condition for finding an optimum shape of the optimization block model; setting a multi-body dynamics analysis condition for performing multi-body dynamics analysis on the structural body model with which the optimization block model has been connected; and executing, based on the set optimization analysis condition and multi-body dynamics analysis condition, the multi-body dynamics analysis on the optimization block model and finding the optimum shape of the optimization block model.Type: ApplicationFiled: December 20, 2013Publication date: January 7, 2016Applicant: JFE STEEL CORPORATIONInventor: Takanobu Saito
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Publication number: 20150356237Abstract: A method for analysis of shape optimization includes: a design space setting step of setting a design space; an optimization block model generating step of generating an optimization block mode in the set design space; a connection processing step of connecting the generated optimization block model with a structural body model; a material property setting step of setting a material property for the optimization block model; a crashworthy optimum shaping condition setting step of setting a crashworthy optimum shaping condition for the optimization block model; a crashworthiness analysis condition setting step of setting a crashworthiness analysis condition for the structural body model; a three-dimensional element necessity calculation step of executing a crashworthiness analysis on the optimization block model, and calculating information related to necessity of each of three-dimensional elements of the optimization block model; and an optimum shape determining step of determining an optimum shape.Type: ApplicationFiled: December 18, 2013Publication date: December 10, 2015Applicant: JFE STEEL CORPORATIONInventor: Takanobu Saito
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Publication number: 20150298236Abstract: A welding-position optimization analyzing method according to the present invention is a welding-position optimization analyzing method for optimizing spot welding or continuous welding used to weld a plurality of components constituting a structure model formed of plane elements and/or three-dimensional elements.Type: ApplicationFiled: November 6, 2012Publication date: October 22, 2015Applicant: JFE STEEL CORPORATIONInventor: Takanobu Saito
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Publication number: 20150302641Abstract: A shape optimization analyzing method according to the present invention is an analysis method for optimizing part of a structure model using plane elements or three-dimensional elements. The method includes a design-space defining step of defining a portion of the structure model that is to be optimized as a design space, an optimization-block-model generating step of generating an optimization block model in the defined design space, the optimization block model being formed of three-dimensional elements and analyzed for optimization, a coupling step of coupling the generated optimization block model with the structure model, and an analyzing step of performing analysis in accordance with input of an analytic condition to calculate an optimal shape of the optimization block model.Type: ApplicationFiled: November 6, 2012Publication date: October 22, 2015Applicant: JFE STEEL CORPORATIONInventor: Takanobu Saito
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Publication number: 20150217356Abstract: A method for reducing springback in a press-formed part according to the present invention includes an analytic model forming step including forming an analytic model of the part from plane elements and/or solid elements; a stressed-state setting step including setting each of the elements of the analytic model to a stressed state that causes a springback; a rigidity-contributable-portion detecting step including performing an optimization analysis for shape on the analytic model with the elements set to the stressed state in the stressed-state setting step to detect a portion of the part that highly contributes to the rigidity of the part; and a rigidity improving step including applying a rigidity improving means to the part on a basis of the portion detected in the rigidity-contributable-portion detecting step.Type: ApplicationFiled: August 28, 2013Publication date: August 6, 2015Applicant: JFE STEEL CORPORATIONInventor: Takanobu Saito
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Publication number: 20150196950Abstract: A springback-reduced part formed by performing a springback reduction on a press-formed part that is formed by a press forming of a blank sheet made of a metal sheet. The springback-reduced part is formed by setting each element of an analytic model of the press-formed part to a stressed state that causes a springback, performing an optimization analysis for shape to detect a portion of the press-formed part that highly contributes to the rigidity thereof, applying a rigidity improving means on a specific portion of the press-formed part on the basis of the detected portion, and performing the press forming.Type: ApplicationFiled: August 28, 2013Publication date: July 16, 2015Applicant: JFE STEEL CORPORATIONInventor: Takanobu Saito
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Publication number: 20150186554Abstract: A method of setting metal sheet anisotropy information and sheet thickness information for an analysis model of a press-formed panel includes spreading the analysis model of the press-formed panel into a blank shape by analysis of reverse press-forming; acquiring sheet thickness information obtained by the analysis of reverse press-forming; based on a spread-blank-shape and a panel-taking blank shape, acquiring a reference direction of the spread-blank-shape; calculating an angle formed between the reference direction of the spread-blank-shape and each element in the spread-blank-shape, and setting the reference direction for each element of the analysis model of the press-formed panel based on the calculated angle; and setting the sheet thickness information acquired in the sheet-thickness-information acquiring step for each element of the analysis model of the press-formed panel.Type: ApplicationFiled: July 8, 2013Publication date: July 2, 2015Inventor: Takanobu Saito
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Publication number: 20150154319Abstract: An optimization analyzing apparatus, configured of a computer, includes: a part shape pattern setting device that divides a part of a structural body including a two-dimensional element and/or a three-dimensional element into a plurality of segments in an axis direction, changes a height or width of a cross section of each of the segments divided, and sets a part shape pattern; a rigidity analyzing device that performs plural kinds of rigidity analyses of the structural body; a multivariate analyzing device that obtains a multiple regression coefficient, and a coefficient of determination or an adjusted R-square; a rigidity analysis selection device that selects any having strong correlation from among the rigidity analyses of the plural kinds; and a cross-sectional shape determination device that determines a cross-sectional shape of each of the segments divided.Type: ApplicationFiled: March 1, 2013Publication date: June 4, 2015Inventor: Takanobu Saito
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Publication number: 20140238331Abstract: A resin-made molded cylinder head cover, which is light in weight and relatively thin particularly at a flange part thereof comprises a cover part that is rectangular in shape and has a plurality of plug holes aligned in a longitudinally extending center area of the cover part; a flange part that is integral with and extends around a periphery of the cover part, so that the cylinder head cover is shaped like a rectangular shallow dish; and thicker elongate bead portions that are integral with the cover part and extend respectively along laterally opposed sides of the longitudinally extending center area, each bead portion being thicker than a general area of the cover part.Type: ApplicationFiled: February 24, 2014Publication date: August 28, 2014Applicant: MAHLE FILTER SYSTEMS JAPAN CORPORATIONInventors: Takanobu SAITO, Masanori SUTO, Satoshi ARAKAWA
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Publication number: 20130055031Abstract: A synchronization controller has a synchronization determiner for determining a synchronization deviation in a CPU, an abnormality sign related information obtainer for obtaining abnormality sign related information on the basis of transaction monitoring information, and an abnormality determiner, when there is a synchronization deviation, for determining the presence/absence of a sign of abnormality in the CPU on the basis of the abnormality sign related information.Type: ApplicationFiled: August 21, 2012Publication date: February 28, 2013Applicant: NEC CorporationInventor: Takanobu SAITO
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Patent number: 8123307Abstract: A brake boost control apparatus has a brake operation member, a master cylinder, a wheel cylinder, a hydraulic pump, a master cylinder pressure detection section detecting a pressure of the brake fluid, a brake stroke amount detection section detecting a stroke amount of the brake operation member, a hydraulic pressure control section that controls a pressure of the wheel cylinder, a boost section which boosts the pressure of the brake fluid and increases the wheel cylinder pressure, and a control unit. The control unit controls at least one of the hydraulic pump and the hydraulic pressure control section so that the stroke amount detected by the brake stroke amount detection section under a boost operation by the boost section and the pressure detected by the master cylinder pressure detection section are maintained at a predetermined relationship.Type: GrantFiled: October 10, 2008Date of Patent: February 28, 2012Assignee: Hitachi, Ltd.Inventors: Kazuya Yamano, Takanobu Saito, Satoru Kuragaki
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Patent number: 7975188Abstract: A restoration device for restoring a system when the BIOS falls in a stall failure includes a first watchdog timer and a second watchdog timer, a setter for setting timer values respectively in the first watchdog timer and in the second watchdog timer, a suspender for suspending the decrement of the timer value of the first watchdog timer when the BIOS is started and also execution of a BIOS process is started, a switch for switching the BIOS data region for starting when the timer value of the first watchdog timer becomes equal to 0 or a prescribed number, a resetter for resetting the system when the timer value of the first watchdog timer becomes equal to 0 or a prescribed number, a suspender for suspending the decrement of the timer value of the second watchdog timer when the BIOS of the system starts and a resetter for resetting the system when the timer value of the second watchdog timer becomes equal to 0 or a prescribed number.Type: GrantFiled: March 12, 2008Date of Patent: July 5, 2011Assignee: NEC CorporationInventor: Takanobu Saito