Patents by Inventor Koji Toyama
Koji Toyama 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: 20230054345Abstract: A pulse duration measuring apparatus includes a polarizing beam splitter for splitting a pulsed laser beam into a first laser beam and a second laser beam, a first mirror for reflecting the first laser beam traveling toward the polarizing beam splitter, a second mirror for reflecting the second laser beam traveling toward the polarizing beam splitter, a first quarter wavelength plate disposed between the polarizing beam splitter and the first mirror, a second quarter wavelength plate disposed between the polarizing beam splitter and the second mirror, an optical path length changing unit for moving the first mirror or the second mirror to change the length of the respective optical paths, a nonlinear crystal body for allowing a combined laser beam to pass therethrough, and a photodetector for measuring an optical intensity of the combined laser beam that has passed through the nonlinear crystal body.Type: ApplicationFiled: August 4, 2022Publication date: February 23, 2023Inventors: Koji TOYAMA, Nobuyuki KIMURA, Koichi KATAYAMA, Keiji NOMARU
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Publication number: 20200171610Abstract: A tool unit includes a rotary tool, a first holder which is connected to a first end portion of the rotary tool in an axial direction of the rotary tool, a second holder connected to a second end portion of the rotary tool in the axial direction of the rotary tool, and a third holder having a first support surface rotatably supports an outer circumferential surface of the first holder at a side of the first end portion of the rotary tool and a second support surface rotatably supports an outer circumferential surface of the second holder at a side of the second end portion of the rotary tool, the third holder being connected to the spindle housing so as not to be relatively rotatable to the spindle housing. According to this configuration, displacement of the rotary tool in the radial direction can be restricted effectively by the third unit.Type: ApplicationFiled: November 27, 2019Publication date: June 4, 2020Applicant: JTEKT CORPORATIONInventors: Hisashi OTANI, Seiji KAKAMI, Hiroyuki NAKANO, Koji TOYAMA, Yuki KONNO
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Patent number: 10591529Abstract: A wiring safety evaluation system that makes it possible to easily determine whether a plurality of electrical wires secured in redundancy belong to the same harness to evaluate wiring safety is provided. The wiring safety evaluation system according to the present invention includes a processing section that identifies, after an event ID is specified, whether a gate type of a parent ID corresponding to the event ID is an OR gate or an AND gate, and when the gate type is the OR gate, repeats a process procedure of identifying whether a gate type of a parent ID that is a parent in next generation of the parent ID is an OR gate or an AND gate to determine whether the specified event causes a top event.Type: GrantFiled: December 20, 2016Date of Patent: March 17, 2020Assignee: MITSUBISHI AIRCRAFT CORPORATIONInventors: Koji Toyama, Susumu Hirabayashi
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Patent number: 10434612Abstract: A machine tool includes a bed, a column, a rotary main spindle, a tool magazine, a tool changer, and a controller. The tool changer includes a body provided on the bed so as to be movable in a direction orthogonal to a movement direction of the column, a changing arm rotatably provided on the body, and a door provided on the body to open or close an opening formed in the body, and configured to partition an area on the column side from an area on the tool magazine side by closing the opening. The controller is configured to move the body in parallel with at least one of an operation of opening the door and an operation of closing the door.Type: GrantFiled: December 22, 2017Date of Patent: October 8, 2019Assignee: Jtekt CorporationInventors: Koji Toyama, Yoshio Ootsuka, Yuki Konno
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Patent number: 10354021Abstract: A bundle diameter calculation device calculates the number of electrical wires belonging to an electrical wire bundle constituting a part of a wire harness of which each of the plurality of electrical wires is connected via relay points with connectors, the device including: a storage unit which stores electrical wire-connector connection information in which each of the plurality of electrical wires and the connectors are associated with each other, and bundle connection information which shows a state of connection with the connectors and relay elements by the unit of the electrical wire bundle of the wire harness; and a processing unit which, when the wire harness is specified, checks the electrical wire-connector connection information and the bundle connection information against each other and calculates the bundle diameter of the electrical wire bundle.Type: GrantFiled: February 18, 2016Date of Patent: July 16, 2019Assignee: MITSUBISHI AIRCRAFT CORPORATIONInventors: Koji Toyama, Yoshihiro Nakayama
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Patent number: 10319057Abstract: A safety analysis system for wiring, including: a storage unit that stores electric wire-terminal connector correlation information in which each of a plurality of electric wires and a pair of connectors are correlated with each other, terminal connector-function correlation information in which the pair of connectors located at terminals and a function of a device to which the connectors are connected are correlated with each other, and function determination information including a combination of a plurality of functions that are not allowed to be lost at the same time; and a processing unit that matches the electric wire-terminal connector correlation information and the terminal connector-function correlation information when the wire harness is identified, and generates electric wire-function correlation information in which each of the plurality of electric wires and the function of the device are correlated with each other.Type: GrantFiled: November 1, 2017Date of Patent: June 11, 2019Assignee: MITSUBISHI AIRCRAFT CORPORATIONInventors: Koji Toyama, Satoshi Suehiro, Yoshihiro Nakayama
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Patent number: 10248629Abstract: A method for determining a wiring risk is a method for determining a first risk that electric wires connected to a plurality of terminal devices are bundled into a single harness, and a second risk that harnesses fail at the same time, wherein the first risk is determined by identifying the number of connectors to which a target harness identified from the plurality of harnesses is indirectly connected, and the second risk is determined by matching location information of the target harness to an influenced area by a hazard source, and identifying whether the target harness passes through the influenced area.Type: GrantFiled: September 20, 2013Date of Patent: April 2, 2019Assignee: MITSUBISHI AIRCRAFT CORPORATIONInventors: Koji Toyama, Satoshi Suehiro, Yoshihiro Nakayama
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Patent number: 10157697Abstract: The present invention provides a wire harness manufacturing support system including: a worktable on which a plurality of electric wires constituting a wire harness are wired; and a database that holds wiring route data corresponding to each wire of the plurality of electric wires. The wire harness manufacturing support system is configured so that wiring routes are sequentially displayed on the worktable based on the plurality of wiring route data held in the database.Type: GrantFiled: December 22, 2015Date of Patent: December 18, 2018Assignee: MITSUBISHI AIRCRAFT CORPORATIONInventors: Koji Toyama, Hitoshi Kurahashi, Yoshifumi Ikeda
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Patent number: 10101380Abstract: A device for determining an electrical wire bundle, in which, when the electrical wire bundle includes even one test electrical wire which conducts electricity to a terminal device, the electrical wire bundle is given an A-rating indicating an electrical wire bundle to be used for a test; when the electrical wire bundle includes at least one electrical wire which conducts electricity to the terminal device but is not the test electrical wire, the electrical wire bundle is given a B-rating indicating that the electrical wire bundle is not allowed to be disconnected; and when the electrical wire bundle includes only electrical wires that do not conduct electricity to the terminal device, the electrical wire bundle is given a C-rating indicating an electrical wire bundle not to be used for the test.Type: GrantFiled: February 17, 2016Date of Patent: October 16, 2018Assignee: MITSUBISHI AIRCRAFT CORPORATIONInventors: Yoshihiro Nakayama, Koji Toyama
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Patent number: 10054626Abstract: A failure rate calculation device calculates the failure rate of a wire harness of which each of a plurality of electrical wires is connected with connectors via relay points, the device including: a storage unit which stores electrical wire-connector connection information in which each of the plurality of electrical wires and the connectors are associated with each other and in which type information on each of the electrical wires and type information on each of the connectors are associated with each other, and failure rate information in which the type information belonging to the electrical wire-connector connection information and failure rate factors, associated with the type information, are associated with each other; and a processing unit which, when the wire harness is specified, checks the electrical wire-connector connection information and the failure rate information against each other and calculates a failure rate in the wire harness.Type: GrantFiled: February 17, 2016Date of Patent: August 21, 2018Assignee: MITSUBISHI AIRCRAFT CORPORATIONInventors: Koji Toyama, Yoshihiro Nakayama
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Publication number: 20180178301Abstract: A machine tool includes a bed, a column, a rotary main spindle, a tool magazine, a tool changer, and a controller. The tool changer includes a body provided on the bed so as to be movable in a direction orthogonal to a movement direction of the column, a changing arm rotatably provided on the body, and a door provided on the body to open or close an opening formed in the body, and configured to partition an area on the column side from an area on the tool magazine side by closing the opening. The controller is configured to move the body in parallel with at least one of an operation of opening the door and an operation of closing the door.Type: ApplicationFiled: December 22, 2017Publication date: June 28, 2018Applicant: Jtekt CorporationInventors: Koji TOYAMA, Yoshio Ootsuka, Yuki Konno
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Patent number: 9909578Abstract: There is provided an integrated electric compressor that can be made small in size while reducing radio noise effectively. In an inverter of the electric compressor, a snubber circuit 21 comprising a resistor R and a capacitor C is provided between input/output terminals 20 of a power source and a switching element 18. The snubber circuit 21 is formed by surface mounting a resistive element constituting the resistor R and a capacitor element constituting the capacitor C on a power board 16. A leakage current from a motor 19 is thus restrained and radio noise is reduced. The resistive element and the capacitor element constituting the snubber circuit 21 are preferably surface mounted on the power board 16 on the side opposite to the side on which a control circuit board is arranged.Type: GrantFiled: September 28, 2007Date of Patent: March 6, 2018Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Shigeo Kasai, Koji Nakano, Koji Toyama, Makoto Hattori, Kazuki Niwa
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Publication number: 20180053278Abstract: A safety analysis system for wiring, including: a storage unit that stores electric wire-terminal connector correlation information in which each of a plurality of electric wires and a pair of connectors are correlated with each other, terminal connector-function correlation information in which the pair of connectors located at terminals and a function of a device to which the connectors are connected are correlated with each other, and function determination information including a combination of a plurality of functions that are not allowed to be lost at the same time; and a processing unit that matches the electric wire-terminal connector correlation information and the terminal connector-function correlation information when the wire harness is identified, and generates electric wire-function correlation information in which each of the plurality of electric wires and the function of the device are correlated with each other.Type: ApplicationFiled: November 1, 2017Publication date: February 22, 2018Inventors: Koji TOYAMA, Satoshi SUEHIRO, Yoshihiro NAKAYAMA
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Publication number: 20170184654Abstract: A wiring safety evaluation system that makes it possible to easily determine whether a plurality of electrical wires secured in redundancy belong to the same harness to evaluate wiring safety is provided. The wiring safety evaluation system according to the present invention includes a processing section that identifies, after an event ID is specified, whether a gate type of a parent ID corresponding to the event ID is an OR gate or an AND gate, and when the gate type is the OR gate, repeats a process procedure of identifying whether a gate type of a parent ID that is a parent in next generation of the parent ID is an OR gate or an AND gate to determine whether the specified event causes a top event.Type: ApplicationFiled: December 20, 2016Publication date: June 29, 2017Inventors: Koji Toyama, Susumu Hirabayashi
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Patent number: 9556187Abstract: This disclosure relates to novel tricyclic pyrimidine compounds and tricyclic pyridine compounds having JAK inhibitory activities. A tricyclic heterocyclic compound represented by the formula (Ib), wherein the rings Ab and Bb, Xb, Yb, R1b, R2b, R3b, L1b, L2b, L3b and nb are as defined in the specification.Type: GrantFiled: October 2, 2015Date of Patent: January 31, 2017Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Keishi Hayashi, Tsuneo Watanabe, Koji Toyama, Junji Kamon, Masataka Minami, Miyuki Uni, Mariko Nasu
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Patent number: 9494149Abstract: In an inverter-integrated electric compressor (1) provided with an inverter accommodating section (9) on the periphery of a housing (2) and an inverter (20) provided therein, the inverter accommodating section (9) is divided into a first accommodating section (9) accommodating an inverter module (21) equipped with a power system board on which semiconductor switching devices etc. are mounted and a CPU board on which a control and communication circuit etc. are mounted, and a second accommodating section (40) accommodating high-voltage-system components (30), such as a common-mode coil (35), a normal-mode coil (36), and a smoothing capacitor (37), provided on a high-voltage line (34) for supplying DC power from a high-voltage power supply to the inverter module (21), the accommodating sections (9) and (40) being separately provided on the periphery of the housing (2).Type: GrantFiled: May 13, 2009Date of Patent: November 15, 2016Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Takayuki Watanabe, Takeshi Hirano, Makoto Hattori, Kazuki Niwa, Takashi Nakagami, Koji Toyama
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Publication number: 20160282401Abstract: A failure rate calculation device calculates the failure rate of a wire harness of which each of a plurality of electrical wires is connected with connectors via relay points, the device including: a storage unit which stores electrical wire-connector connection information in which each of the plurality of electrical wires and the connectors are associated with each other and in which type information on each of the electrical wires and type information on each of the connectors are associated with each other, and failure rate information in which the type information belonging to the electrical wire-connector connection information and failure rate factors, associated with the type information, are associated with each other; and a processing unit which, when the wire harness is specified, checks the electrical wire-connector connection information and the failure rate information against each other and calculates a failure rate in the wire harness.Type: ApplicationFiled: February 17, 2016Publication date: September 29, 2016Inventors: Koji Toyama, Yoshihiro Nakayama
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Publication number: 20160283612Abstract: A bundle diameter calculation device calculates the number of electrical wires belonging to an electrical wire bundle constituting a part of a wire harness of which each of the plurality of electrical wires is connected via relay points with connectors, the device including: a storage unit which stores electrical wire-connector connection information in which each of the plurality of electrical wires and the connectors are associated with each other, and bundle connection information which shows a state of connection with the connectors and relay elements by the unit of the electrical wire bundle of the wire harness; and a processing unit which, when the wire harness is specified, checks the electrical wire-connector connection information and the bundle connection information against each other and calculates the bundle diameter of the electrical wire bundle.Type: ApplicationFiled: February 18, 2016Publication date: September 29, 2016Inventors: Koji Toyama, Yoshihiro Nakayama
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Publication number: 20160274165Abstract: A device for determining an electrical wire bundle, in which, when the electrical wire bundle includes even one test electrical wire which conducts electricity to a terminal device, the electrical wire bundle is given an A-rating indicating an electrical wire bundle to be used for a test; when the electrical wire bundle includes at least one electrical wire which conducts electricity to the terminal device but is not the test electrical wire, the electrical wire bundle is given a B-rating indicating that the electrical wire bundle is not allowed to be disconnected; and when the electrical wire bundle includes only electrical wires that do not conduct electricity to the terminal device, the electrical wire bundle is given a C-rating indicating an electrical wire bundle not to be used for the test.Type: ApplicationFiled: February 17, 2016Publication date: September 22, 2016Inventors: Yoshihiro Nakayama, Koji Toyama
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Publication number: 20160221138Abstract: A feed apparatus includes a base, a moving member that is movable in a predetermined axial direction with respect to the base, a first screw shaft provided on the base so as to be parallel to the axial direction, a second screw shaft provided separately from the first screw shaft on the base so as to be parallel to the predetermined axial direction, a first motor mounted on the base to rotate the first screw shaft, a second motor mounted on the base to rotate the second screw shaft, a first nut provided on the moving member and moving in the predetermined axial direction in conjunction with rotation of the first screw shaft, and a second nut provided on the moving member and moving in the predetermined axial direction in conjunction with rotation of the second screw shaft. The first nut and the second nut are disposed at different positions in the predetermined axial direction.Type: ApplicationFiled: January 29, 2016Publication date: August 4, 2016Applicant: JTEKT CORPORATIONInventor: Koji TOYAMA