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).

  • Patent number: 10040112
    Abstract: 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: Grant
    Filed: August 28, 2013
    Date of Patent: August 7, 2018
    Assignee: JFE STEEL CORPORATION
    Inventor: Takanobu Saito
  • Patent number: 9925578
    Abstract: 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: Grant
    Filed: August 28, 2013
    Date of Patent: March 27, 2018
    Assignee: JFE STEEL CORPORATION
    Inventor: Takanobu Saito
  • Patent number: 9858714
    Abstract: 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: Grant
    Filed: November 6, 2012
    Date of Patent: January 2, 2018
    Assignee: JFE Steel Corporation
    Inventor: Takanobu Saito
  • Patent number: 9798836
    Abstract: 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: Grant
    Filed: March 1, 2013
    Date of Patent: October 24, 2017
    Assignee: JFE Steel Corporation
    Inventor: Takanobu Saito
  • Patent number: 9635463
    Abstract: 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: Grant
    Filed: April 1, 2013
    Date of Patent: April 25, 2017
    Assignees: PIONEER CORPORATION, TOHOKU PIONEER CORPORATION, MOGAMI DENKI CORPORATION
    Inventors: Kazuharu Kawata, Haruki Hoshikawa, Yoshihiro Sato, Takanobu Saito
  • Patent number: 9470180
    Abstract: 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: Grant
    Filed: February 24, 2014
    Date of Patent: October 18, 2016
    Assignee: MAHLE FILTER SYSTEMS JAPAN CORPORATION
    Inventors: Takanobu Saito, Masanori Suto, Satoshi Arakawa
  • Patent number: 9256486
    Abstract: 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: Grant
    Filed: August 21, 2012
    Date of Patent: February 9, 2016
    Assignee: NEC Corporation
    Inventor: Takanobu Saito
  • Publication number: 20160037262
    Abstract: 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: Application
    Filed: April 1, 2013
    Publication date: February 4, 2016
    Applicants: PIONEER CORPORATION, MOGAMI DENKI CORPORATION, TOHOKU PIONEER CORPORATION
    Inventors: Kazuharu KAWATA, Haruki HOSHIKAWA, Yoshihiro SATO, Takanobu SAITO
  • Publication number: 20160004793
    Abstract: 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: Application
    Filed: December 20, 2013
    Publication date: January 7, 2016
    Applicant: JFE STEEL CORPORATION
    Inventor: Takanobu Saito
  • Publication number: 20150356237
    Abstract: 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: Application
    Filed: December 18, 2013
    Publication date: December 10, 2015
    Applicant: JFE STEEL CORPORATION
    Inventor: Takanobu Saito
  • Publication number: 20150298236
    Abstract: 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: Application
    Filed: November 6, 2012
    Publication date: October 22, 2015
    Applicant: JFE STEEL CORPORATION
    Inventor: Takanobu Saito
  • Publication number: 20150302641
    Abstract: 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: Application
    Filed: November 6, 2012
    Publication date: October 22, 2015
    Applicant: JFE STEEL CORPORATION
    Inventor: Takanobu Saito
  • Publication number: 20150217356
    Abstract: 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: Application
    Filed: August 28, 2013
    Publication date: August 6, 2015
    Applicant: JFE STEEL CORPORATION
    Inventor: Takanobu Saito
  • Publication number: 20150196950
    Abstract: 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: Application
    Filed: August 28, 2013
    Publication date: July 16, 2015
    Applicant: JFE STEEL CORPORATION
    Inventor: Takanobu Saito
  • Publication number: 20150186554
    Abstract: 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: Application
    Filed: July 8, 2013
    Publication date: July 2, 2015
    Inventor: Takanobu Saito
  • Publication number: 20150154319
    Abstract: 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: Application
    Filed: March 1, 2013
    Publication date: June 4, 2015
    Inventor: Takanobu Saito
  • Publication number: 20140238331
    Abstract: 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: Application
    Filed: February 24, 2014
    Publication date: August 28, 2014
    Applicant: MAHLE FILTER SYSTEMS JAPAN CORPORATION
    Inventors: Takanobu SAITO, Masanori SUTO, Satoshi ARAKAWA
  • Publication number: 20130055031
    Abstract: 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: Application
    Filed: August 21, 2012
    Publication date: February 28, 2013
    Applicant: NEC Corporation
    Inventor: Takanobu SAITO
  • Patent number: 8123307
    Abstract: 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: Grant
    Filed: October 10, 2008
    Date of Patent: February 28, 2012
    Assignee: Hitachi, Ltd.
    Inventors: Kazuya Yamano, Takanobu Saito, Satoru Kuragaki
  • Patent number: 7975188
    Abstract: 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: Grant
    Filed: March 12, 2008
    Date of Patent: July 5, 2011
    Assignee: NEC Corporation
    Inventor: Takanobu Saito