Patents by Inventor Takuya Nakayama
Takuya Nakayama 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: 20240128888Abstract: A power converter includes at least one arm for each phase, and each arm is formed by connecting, in series, a plurality of converter cells each having a plurality of semiconductor switching elements and a DC capacitor. A control device generates, for each arm, an arm voltage command for the plurality of convener cells, to control the power converter. The control device includes a voltage information calculation unit for calculating a voltage information value on the basis of voltage of at least one DC capacitor in the power converter, and a overall voltage control unit for changing a voltage total value of all the DC capacitors so that the voltage information value becomes close to a set lower limit value.Type: ApplicationFiled: March 31, 2021Publication date: April 18, 2024Applicant: Mitsubishi Electric CorporationInventors: Akito NAKAYAMA, Takuya KAJIYAMA
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Publication number: 20240128887Abstract: A first voltage control circuitry controls a first representative value, i.e., an average-value corresponding value of DC capacitor voltages of all converter cells to follow an overall voltage command value. A phase balance control circuitry controls second representative values, i.e., average-value corresponding values of DC capacitor voltages of the converter cells in leg circuits for respective phases to follow the first representative value. A positive-negative balance control circuitry controls deviations of third representative values, i.e., average-value corresponding values of the DC capacitor voltages of the converter cells in the positive and negative arms of the leg circuits for respective phases to become zero between the positive and negative arms. An individual balance control circuitry controls DC capacitor voltages of all the converter cells to follow the third representative values.Type: ApplicationFiled: April 5, 2021Publication date: April 18, 2024Applicant: Mitsubishi Electric CorporationInventors: Miwako TANAKA, Toshiyuki FUJII, Takuya KAJIYAMA, Akito NAKAYAMA
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Publication number: 20240128889Abstract: A controlling circuitry of a power conversion device has a first control mode for controlling circulation current circulating among leg circuits for the respective phases in a power converter so that an AC component having a frequency that is an even multiple other than a multiple of 3 with respect to the frequency of a fundamental component of AC is contained in the circulation current, and determines whether to make the first control mode active or inactive, on the basis of the voltage value of an energy storage element.Type: ApplicationFiled: March 31, 2021Publication date: April 18, 2024Applicant: Mitsubishi Electric CorporationInventors: Akito NAKAYAMA, Takuya KAJIYAMA
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Patent number: 11959742Abstract: This sensor includes: a housing 10 which houses an electronic component in the internal space; a detection unit 40 which has a coil 42 and a core 41 that houses the coil 42 and which is arranged on the end side in the internal space; a substrate 30 which is arranged more inside the internal space than the detection unit 40 and on which a circuit electrically connected to the coil 42 is provided; a first shield 451 at least one portion of which is arranged further on the end side in the internal space than the detection unit 40 and which suppresses the penetration of noise from outside of the housing 10; and a spacer 51 which is positioned between the first shield 451 and the detection unit 40 and which separates the surfaces of the first shield 451 and the detection unit 40 that face each other.Type: GrantFiled: November 7, 2019Date of Patent: April 16, 2024Assignee: OMRON CorporationInventors: Yusuke Nakayama, Takuya Okamoto
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Patent number: 11786985Abstract: A gear machining apparatus includes a rough working tool having a plurality of replaceable tool blades attached to a tool main body, such that the tool blades are arranged in a circumferential direction of the tool main body and blade tips of the tool blades are oriented outward in a radial direction of the tool main body, a finish working tool having a plurality of tool blades provided to a tool main body in a similar manner to the rough working tool, and machining controllers control to perform rough and finish machinings on the workpiece, such that the working tools are rotated on center lines in axial directions of the working tools, the workpiece is rotated on a center line in axial direction of the workpiece, and the working tools are relatively moved to the workpiece along the center line in the axial direction of the workpiece.Type: GrantFiled: January 16, 2020Date of Patent: October 17, 2023Assignee: JTEKT CORPORATIONInventors: Takuya Nakayama, Minoru Sato
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Publication number: 20230312906Abstract: Provided is a binder composition for an electrical storage device, which enables the production of an electrical storage device electrode excellent in repeated charge-discharge characteristic through a reduction in internal resistance and also excellent in charge-discharge durability characteristic under high temperature through an improvement in adhesiveness. The binder composition for an electrical storage device includes: a polymer (A); and a liquid medium (B), wherein, with respect to 100 mass % in total of repeating units contained in the polymer (A), the polymer (A) contains: 15 mass % to 60 mass % of a repeating unit (a1) derived from a conjugated diene compound; and 1 mass % to 10 mass % of a repeating unit (a2) derived from an unsaturated carboxylic acid, wherein tan ? (loss elastic modulus/storage elastic modulus) in dynamic viscoelasticity of the polymer (A) has one peak top in a range of from ?40° C. or more to less than 50° C., and has one peak top in a range of from 50° C. or more to 150° C.Type: ApplicationFiled: July 30, 2021Publication date: October 5, 2023Applicant: ENEOS Materials CorporationInventors: Takuya NAKAYAMA, Kana MASUDA, Sadatoshi HEIGUCHI, Yingcheng LIN
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Publication number: 20230275231Abstract: A binder composition for an electrical storage device, may enable production of an electrical storage device electrode excellent in charge-discharge durability characteristic under high temperature by improving adhesiveness under high temperature and reducing internal resistance. Such a composition may include: a polymer (A) and a liquid medium (B), wherein, with respect to 100 parts by mass of total repeating units in the polymer (A), the polymer (A) contains: 15 to 60 parts by mass of repeating unit (a1) derived from a conjugated diene; 35 to 75 parts by mass of repeating unit (a2) derived from an aromatic vinyl compound; and 1 to 10 parts by mass of a repeating unit (a3) derived from an unsaturated carboxylic acid, and wherein, when, in dynamic viscoelasticity measurement of the polymer (A), a peak top of tan? (loss/storage elastic modulus) is tan8(Tp), and tan? at 100° C. is tan8(100° C.Type: ApplicationFiled: March 31, 2021Publication date: August 31, 2023Applicant: ENEOS Materials CorporationInventors: Takuya NAKAYAMA, Yoshiharu OTSUKA, Shodai KUROSUMI, Maki MAEGAWA
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Publication number: 20220302455Abstract: An electrical storage device may allow producing an electrical storage device electrode excellent in adhesiveness and with satisfactory charge-discharge durability characteristics. Such compositions for an electrical storage device may include: polymer particles (A); a polymer (B); and a liquid medium (C), wherein the polymer particles (A) each contain, with respect to 100 parts by mass in total of repeating units in the polymer particle (A), 20 to 65 parts by mass of a repeating unit (a1) derived from a conjugated diene compound, and 1 to 40 parts by mass of a repeating unit (a2) derived from an ?,?-unsaturated nitrile compound, and wherein the polymer (B) contains, with respect to 100 parts by mass in total of repeating units contained in the polymer (B), 5 to 95 parts by mass of a repeating unit (b1) derived from an unsaturated carboxylic acid, and 5 to 95 parts by mass of a repeating unit (b2) derived from (meth)acrylamide.Type: ApplicationFiled: August 11, 2020Publication date: September 22, 2022Applicant: ENEOS MATERIALS CORPORATIONInventors: Takuya NAKAYAMA, Tatsuya TONERI, Kana MASUDA
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Publication number: 20220278330Abstract: A binder composition for an electrical storage device, may allow producing an electrical storage device electrode excellent in flexibility and adhesiveness, and show satisfactory charge-discharge durability. Such binder compositions may include: a polymer (A); and a liquid medium (B), wherein, with respect to 100 parts by mass in total of repeating units contained in the polymer (A), the polymer (A) contains: 20 parts by mass to 60 parts by mass of a repeating unit (a1) derived from a conjugated diene compound; 35 parts by mass to 75 parts by mass of a repeating unit (a2) derived from an aromatic vinyl compound; and 1 part by mass to 10 parts by mass of a repeating unit (a3) derived from an unsaturated carboxylic acid, and wherein a THF-soluble component of the polymer (A) has a weight average molecular weight of from 100,000 to 600,000.Type: ApplicationFiled: August 18, 2020Publication date: September 1, 2022Applicant: ENEOS MATERIALS CORPORATIONInventors: Takuya NAKAYAMA, Yoshiharu OTSUKA, Souichi SAIJO
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Patent number: 11420671Abstract: A ball screw nut has a pair of through holes and a first passage that allows the through holes to communicate with each other and that opens radially outward. In each of the through holes, a ball screw mechanism has a circulation member having a second passage in which a ball can move between a ball raceway and the first passage. The ball screw mechanism has a circulation path for communicating the two connection points set on the ball raceway by the first passage and each of the second passages. A driven pulley has a thin portion that defines a radial clearance between an inner periphery of the driven pulley and an outer periphery of the ball screw nut. The ball screw mechanism has a pressing lid that presses down each of the circulation members from the outer periphery of the ball screw nut and that covers the first passage.Type: GrantFiled: June 3, 2020Date of Patent: August 23, 2022Assignee: JTEKT CORPORATIONInventors: Hideya Kato, Takuya Nakayama, Eiji Yamazaki
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Patent number: 11387048Abstract: A solid electrolytic capacitor includes at least one capacitor element, an outer packaging resin, and a coating layer. The at least one capacitor element includes an anode body that includes a dielectric layer, and a solid electrolyte layer that at least partially covers the dielectric layer. The outer packaging resin covers the at least one capacitor element. The coating layer is disposed between the at least one capacitor element and the outer packaging resin. The coating layer contains a fluorine compound.Type: GrantFiled: November 4, 2020Date of Patent: July 12, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Takuya Nakayama, Natsuki Hatakeyama, Katsuhisa Ishizaki, Hitoshi Fukui
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Publication number: 20220174998Abstract: A solid paste composition for cooking, which has elasticity, suppresses a rubber-like texture, and has a good chewy texture. The solid paste composition satisfies containing 2.0 mass % or more of an insoluble dietary fiber in terms of dry mass, 15 mass % or more of a starch in terms of dry mass, and 5.5 mass % or more of a protein in terms of dry mass. The solid paste composition further satisfies at least either of the ratio of the number of CBB-stained sites having an area of at least 200 ?m2 and a roundness coefficient of at least 0.3, to the number of CBB-stained sites being 3% or more, and the ratio of the total area of CBB-stained sites having an area of at least 200 ?m2 and a roundness coefficient of at least 0.3, to the image area of a cross-section of the composition being 0.3% or more.Type: ApplicationFiled: February 28, 2022Publication date: June 9, 2022Applicant: MIZKAN HOLDINGS CO., LTD.Inventors: Makoto Suzuki, Kiyoshi Endo, Yusuke Tange, Naruhiro Hibi, Takuya Nakayama, Yasushi Ogasawara, Yukiko Kawamura, Junichiro Ihara
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Patent number: 11311953Abstract: A machine tool that generates internal teeth or external teeth on a cylindrical workpiece includes a workpiece holder, a column which is relatively movable to the workpiece holder, a rotary main spindle which is rotatable with respect to the column, a working tool which is held by the rotary main spindle, and a phase detecting unit which detects a phase of the working tool with respect to the rotary main spindle. The working tool includes a cutter portion which has cutters, a holder portion, and a detected portion which is formed on the holder portion. The phase detecting unit includes a detecting section which detects the detected portion, and a calculating section which calculates a phase angle of the detected portion with respect to a reference position of the rotary main spindle, based on a result detected by the detecting section.Type: GrantFiled: October 8, 2019Date of Patent: April 26, 2022Assignee: JTEKT CORPORATIONInventors: Seiichi Ohno, Minoru Sato, Takuya Nakayama, Tetsuro Furuhata
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Publication number: 20220000163Abstract: A structural strengthening agent for food products, which agent moderates both cold stimuli and persistence of sweetness and oiliness in the mouth during eating of food products such as cold desserts is provided. The structural strengthening agent for food products includes a water-insoluble long-chain cellulose having a diameter of 3.5 ?m or less and an aspect ratio of 2.0 or more, and a water-insoluble short-chain cellulose having a diameter of 5.0 ?m or more and having an aspect ratio of 32.5 or less. The water-insoluble long-chain cellulose and the water-insoluble short-chain cellulose are contained in a mass ratio of 40:60 to 4:96.Type: ApplicationFiled: September 22, 2021Publication date: January 6, 2022Applicant: MIZKAN HOLDINGS CO., LTD.Inventors: Takuya Nakayama, Hideaki Taguchi
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Patent number: 11181885Abstract: A manufacturing device monitoring system includes a plurality of manufacturing devices and a remote monitoring device. The manufacturing device includes a work unit, an equipment notifier, an error detector, and an error notifier. The error notifier determines whether or not an error detected by the error detector may be corrected by an operation from the remote monitoring device, notifies the remote monitoring device of the occurrence of the error in a case where the error can be corrected, and operates the equipment notifier to notify a first notification pattern in a case where the error cannot be corrected.Type: GrantFiled: May 22, 2018Date of Patent: November 23, 2021Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Takuya Nakayama, Tetsushi Oohori, Kenichiro Ishimoto, Atsushi Nakazono
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Publication number: 20210123006Abstract: A method of producing vinegar in which acidity in terms of acetic acid is decreased is provided. A method of producing vinegar containing fermented cellulose and acetic acid includes conducting fermentation allowing an acetic acid bacterium to mainly produce fermented cellulose under fermentation condition (A), and conducting fermentation allowing the acetic acid bacterium to mainly produce acetic acid under fermentation condition (B). Fermentation condition (A) includes acidity X in terms of acetic acid and ethanol concentration Y in a medium at the start of fermentation satisfy formula (I): 0<X+Y<4.0 (I). In the formula, X represents acidity in terms of acetic acid (% (w/v)), and Y represents ethanol concentration (% (v/v)). Fermentation condition (B) includes ethanol concentration in fermentation liquid is controlled during fermentation to be more than 0% (v/v) and less than 4% (v/v).Type: ApplicationFiled: January 4, 2021Publication date: April 29, 2021Applicant: MIZKAN HOLDINGS CO., LTD.Inventors: Naruhiro Hibi, Yasushi Ogasawara, Takuya Nakayama
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Patent number: 10957494Abstract: A solid electrolytic capacitor including: a capacitor element including an anode part provided on a first end side, and a cathode part provided on a second end side opposite the first end, so as to be adjacent to the anode part; and a cathode lead connected to the cathode part. The capacitor element has, on a surface of the cathode part, either one or both of a first protective layer and a second protective layer, the first protective layer being electrically insulating and provided on the first end side, the second protective layer being electrically insulating and provided on the second end side. The cathode part and the cathode lead are connected to each other via an electrically conductive adhesive layer.Type: GrantFiled: January 19, 2018Date of Patent: March 23, 2021Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Takuya Nakayama
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Publication number: 20210050158Abstract: A solid electrolytic capacitor includes at least one capacitor element, an outer packaging resin, and a coating layer. The at least one capacitor element includes an anode body that includes a dielectric layer, and a solid electrolyte layer that at least partially covers the dielectric layer. The outer packaging resin covers the at least one capacitor element. The coating layer is disposed between the at least one capacitor element and the outer packaging resin. The coating layer contains a fluorine compound.Type: ApplicationFiled: November 4, 2020Publication date: February 18, 2021Inventors: TAKUYA NAKAYAMA, NATSUKI HATAKEYAMA, KATSUHISA ISHIZAKI, HITOSHI FUKUI
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Patent number: 10910740Abstract: A terminal base includes a straight, strip plate-shaped bus bar having a first end and a second end, the first end having a bolt insertion hole, a bolt configured to be inserted into the bolt insertion hole for electrical connection, the bolt having a head, a housing into which the bus bar is inserted from the second end of the bus bar such that the second end extends out of the housing, an O-ring configured to be mounted on the bus bar at a middle of the bus bar to seal a gap between the bus bar and the housing and a holder configured to regulate a movement of the O-ring. The holder is provided on the bus bar. The holder includes a bolt holding portion configured to hold an outer periphery of the head of the bolt over an entire circumference of the outer periphery of the head.Type: GrantFiled: October 17, 2019Date of Patent: February 2, 2021Assignee: YAZAKI CORPORATIONInventors: Hiroki Goto, Naoki Isaka, Keisuke Ozawa, Takuya Nakayama
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Publication number: 20200385051Abstract: A ball screw nut has a pair of through holes and a first passage that allows the through holes to communicate with each other and that opens radially outward. In each of the through holes, a ball screw mechanism has a circulation member having a second passage in which a ball can move between a ball raceway and the first passage. The ball screw mechanism has a circulation path for communicating the two connection points set on the ball raceway by the first passage and each of the second passages. A driven pulley has a thin portion that defines a radial clearance between an inner periphery of the driven pulley and an outer periphery of the ball screw nut. The ball screw mechanism has a pressing lid that presses down each of the circulation members from the outer periphery of the ball screw nut and that covers the first passage.Type: ApplicationFiled: June 3, 2020Publication date: December 10, 2020Applicant: JTEKT CORPORATIONInventors: Hideya KATO, Takuya NAKAYAMA, Eiji YAMAZAKI