Patents by Inventor Tetsuya Nakamura
Tetsuya Nakamura 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: 20220328260Abstract: A DC high-voltage relay with at least one contact pair including a movable contact and a fixed contact, the contact pair having a contact force and/or an opening force of 100 gf or more, having a rated voltage of 48 V or more, the movable contact and/or the fixed contact includes a Ag oxide-based contact material. Metal components contain at least one metal M essentially containing Zn, and a balance being Ag and inevitable impurity metals, and the contact material has a content of the metal M of 0.2% by mass or more and 8% by mass or less based on a total mass. The contact material has a material structure in which one or more oxides of the metal M having an average particle size of 0.01 ?m or more and 0.4 ?m or less are dispersed in a matrix including Ag or a Ag alloy.Type: ApplicationFiled: September 8, 2020Publication date: October 13, 2022Applicant: TANAKA KIKINZOKU KOGYO K.K.Inventors: Sachihiro NISHIDE, Tetsuya NAKAMURA, Nobuhito YANAGIHARA
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Patent number: 11462370Abstract: The push switch 1 includes a case 2, a pair of contacts 3 and 4, a movable contact 5, a cap 7 covering the case 2 from the upper side, and a cover 8 pressing the cap 7 from the upper side. The cover 8 includes a top plate 81 and a pair of extending portions 83 extending downward from opposite sides of the top plate 81. Each of the extending portions 83 of the cover 8 has a pair of leg portions 831 extending downward and a bridge portion 832 connecting the pair of leg portions 831. The bridge portion 832 has a pair of inclined portions 8321 formed at the lower end portion of the bridge portion 832 and inclined outward, and a cutout portion 8322 formed between the pair of inclined portions 8321.Type: GrantFiled: August 19, 2021Date of Patent: October 4, 2022Assignee: MITSUMI ELECTRIC CO., LTD.Inventor: Tetsuya Nakamura
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Publication number: 20220292257Abstract: An extraction unit extracts candidates including predictive candidates, as candidates corresponding to an input character string. A control vocabulary storage unit stores a control vocabulary to be learned with teaching material. A determination unit determines whether a usage mode is a first mode or a second mode. An output control unit outputs the candidates in an arrangement order according to priority. When the usage mode is the first mode, the output control unit excludes, from the candidates to be output, any words in the control vocabulary extracted as predictive candidates. Also, when the usage mode is the second mode, the output control unit increases the priority of any words in the control vocabulary extracted by the extraction unit as predictive candidates, among the candidates to be output.Type: ApplicationFiled: February 23, 2022Publication date: September 15, 2022Applicant: OMRON CorporationInventors: Kei ICHIKAWA, Yosuke HIGUCHI, Mieko YAMAUCHI, Tetsuya NAKAMURA
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Publication number: 20220251260Abstract: A propylene-ethylene-?-olefin copolymer satisfying: (I) a content of a propylene-derived constituent unit (i) is 50 to 92 mol %, a content of an ethylene-derived constituent unit (ii) is 5 to 20 mol %, and a content of a C4-20 ?-olefin-derived constituent unit (iii) is 3 to 30 mol %, provided that (i) to (iii) total 100 mol %; (II) an mm fraction calculated by 13C-NMR is 85% or more; (III) 0.9?MOE/(2MO×ME)?1.5 wherein MOE represents a mole fraction of chains of propylene and ethylene and chains of the C4-20 ?-olefin and ethylene in total to the total dyad, MO represents mole fractions of propylene and the C4-20 ?-olefin in total, and ME represents a mole fraction of ethylene; (IV) an MFR is 1 to 3 g/10 minutes; and (V) a melting point measured by DSC is less than 100° C., or no melting peak is observed.Type: ApplicationFiled: May 28, 2020Publication date: August 11, 2022Applicant: MITSUI CHEMICALS, INC.Inventors: Takahiro MIZUMA, Tatsuya OKU, Nozomi KAMIYA, Kiminori NODA, Tetsuya NAKAMURA, Makoto EGAWA, Yuki KAI, Hiroshi HOYA
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Publication number: 20220252646Abstract: An analysis system includes inference processer circuitry configured to infer a corresponding classification by inputting part of frequency spectrum data corresponding to reference measurement data to a learned model having learned a relation between part of frequency spectrum data corresponding to sample measurement data and a classification related to noise corresponding to the part, causal component identification processer circuitry configured to identify causal component data of noise from a component data list based on the inferred classification, and a presentation information generator configured to generate presentation information for a user based on the causal component data.Type: ApplicationFiled: December 16, 2021Publication date: August 11, 2022Applicant: TOYO CorporationInventors: Congbing LI, Kazu KITAGAWA, Nozomu MIURA, Tetsuya NAKAMURA, Naoki AZUMA
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Publication number: 20220166836Abstract: Provided is a measurement system in which a measurement instrument and a terminal are configured so as to be communicatable. The measurement instrument is provided with: a measurement unit configured to execute measurement processing for measuring a physical quantity of a measurement target; a detection unit configured to detect execution of the measurement processing; and a transmission permission unit configured to permit transmission of a measurement result to the terminal, the permission being triggered by detection of the execution of the measurement processing by the detection unit. The terminal is provided with: a result reception unit configured to receive the measurement result from the measurement instrument; and an execution unit configured to execute a predetermined processing based on the measurement result received.Type: ApplicationFiled: November 24, 2021Publication date: May 26, 2022Applicant: HIOKI E.E. CORPORATIONInventor: Tetsuya NAKAMURA
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Patent number: 11309141Abstract: A DC high-voltage relay including at least one contact pair including a movable contact and a fixed contact, having a contact force and/or opening force of 100 gf or more, the DC high-voltage relay of 48 V or more. The movable contact and/or the fixed contact includes Ag oxide-based contact material. Metal components in the contact material includes at least one metal M essentially containing Sn, and a balance including Ag and inevitable impurity metals. The content of the metal M is 0.2% by mass or more and 8% by mass or less based on the total mass of all metal components in the contact material. The contact material has a material structure in which one or more oxides of the metal M are dispersed in a matrix including Ag or a Ag alloy. As metal M, In, Bi, Ni and Te can be added.Type: GrantFiled: March 12, 2019Date of Patent: April 19, 2022Assignee: TANAKA KIKINZOKU KOGYO K.K.Inventors: Sachihiro Nishide, Tetsuya Nakamura, Hiroyuki Itakura, Nobuhito Yanagihara
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Publication number: 20220107348Abstract: A related interference wave presentation device includes a class specifying processer circuitry configured to specify a class to which a reference interference wave, which is a referenced interference wave, belongs, using a learned model generated by machine learning of sample data including interference waves to specify a class to which an interference wave belongs based on feature values of the interference wave, a related interference wave information generator configured to retrieve the sample data based on the class to which the reference interference wave belongs and generate related interference wave information which is information about a related interference wave; and a presentation controller configured to perform control to present the related interference wave information in part or in whole.Type: ApplicationFiled: December 16, 2021Publication date: April 7, 2022Applicant: TOYO CorporationInventors: Kentaro SUETSUGU, Congbing LI, Tetsuya NAKAMURA
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Patent number: 11283200Abstract: An electric wire with a terminal, includes an insulated wire which includes a core wire and an insulating layer covering the core wire, a seal member which is disposed in one end portion of the insulated wire and covers the insulating layer, a metal terminal which extends from the end portion of the insulated wire and is connected to the core wire and a waterproof resin portion which covers from a seal member covering part of the insulated wire to an electrical connection part of the metal terminal. The insulating layer contains an olefin resin. The waterproof resin portion contains a polyester, a polyamide, an ethylene-vinyl acetate copolymer, or a mixed resin thereof. The seal member includes an inner layer containing an ethylene resin and an outer layer laminated on the inner layer and containing a polyester, a polyamide, an ethylene-vinyl acetate copolymer, or a mixed resin thereof.Type: GrantFiled: December 20, 2017Date of Patent: March 22, 2022Assignees: Sumitomo Electric Industies, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd.Inventors: Shigeyuki Tanaka, Taro Fujita, Shinya Nishikawa, Kazuo Nakashima, Tetsuya Nakamura
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Publication number: 20220076902Abstract: The push switch 1 includes a case 2, a pair of contacts 3 and 4, a movable contact 5, a cap 7 covering the case 2 from the upper side, and a cover 8 pressing the cap 7 from the upper side. The cover 8 includes a top plate 81 and a pair of extending portions 83 extending downward from opposite sides of the top plate 81. Each of the extending portions 83 of the cover 8 has a pair of leg portions 831 extending downward and a bridge portion 832 connecting the pair of leg portions 831. The bridge portion 832 has a pair of inclined portions 8321 formed at the lower end portion of the bridge portion 832 and inclined outward, and a cutout portion 8322 formed between the pair of inclined portions 8321.Type: ApplicationFiled: August 19, 2021Publication date: March 10, 2022Applicant: MITSUMI ELECTRIC CO., LTD.Inventor: Tetsuya NAKAMURA
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Patent number: 11268857Abstract: Provided is a spectrum analysis method including: accumulating n spectrums obtained by consecutively fast Fourier transforming an input signal n times; receiving a threshold; identifying, in the n spectrums accumulated in the accumulating, frequently occurring data that includes data whose number of occurrences exceeds the threshold received in the receiving, the number of occurrences being defined as a total number of items of data at a same frequency point that indicate levels that are close to each other, to within a predetermined range; selecting a maximum level at each of the frequency points from among only the identified frequently occurring data; and outputting a spectrum indicating the maximum levels selected at the frequency points.Type: GrantFiled: May 25, 2018Date of Patent: March 8, 2022Assignee: TOYO CORPORATIONInventors: Tetsuya Nakamura, Naoki Tsuboi
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Publication number: 20220069830Abstract: A digital PLL circuitry, according to the present embodiment, includes: a phase difference arithmetic circuitry configured to arithmetically operate and output a phase difference between an input clock signal and an output clock signal; a first control code generation circuitry configured to generate a first control code for controlling an oscillation frequency based on the phase difference and a frequency control input being a control target frequency relating to the output clock signal, and output the first control code; a second control code generation circuitry configured to generate and output a second control code for controlling the oscillation frequency according to a sequence; a selection circuitry configured to select and output one of the first control code and the second control code as a selection control code; and a digitally controlled oscillator configured to output the output clock signal of the oscillation frequency according to the selection control code.Type: ApplicationFiled: February 12, 2021Publication date: March 3, 2022Inventor: Tetsuya NAKAMURA
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Patent number: 11264996Abstract: A digital PLL circuitry, according to the present embodiment, includes: a phase difference arithmetic circuitry configured to arithmetically operate and output a phase difference between an input clock signal and an output clock signal; a first control code generation circuitry configured to generate a first control code for controlling an oscillation frequency based on the phase difference and a frequency control input being a control target frequency relating to the output clock signal, and output the first control code; a second control code generation circuitry configured to generate and output a second control code for controlling the oscillation frequency according to a sequence; a selection circuitry configured to select and output one of the first control code and the second control code as a selection control code; and a digitally controlled oscillator configured to output the output clock signal of the oscillation frequency according to the selection control code.Type: GrantFiled: February 12, 2021Date of Patent: March 1, 2022Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATIONInventor: Tetsuya Nakamura
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Publication number: 20220001505Abstract: [Problems to be solved] To discharge a fluid such as coolant to an optimum position without spending time for nozzle adjustment at the time of tool change by automating the adjustment of the orientation of a plurality of nozzles.Type: ApplicationFiled: September 18, 2019Publication date: January 6, 2022Applicant: Mitsuiseiki Kogyo Kabushiki KaishaInventors: Atsuhiro SEKINE, Tetsuya NAKAMURA, Masahiro YAJIMA
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Patent number: 11215643Abstract: A clamped object is reliably clamped. A clamp sensor includes a pair of clamp arms that are formed so as to be substantially arc-shaped in plan view, that are configured so that at least one of the clamp arms is rotatable so that respective front ends of the clamp arms open and close, and that form a ring-shaped body in a state where the front ends are closed. Front end portions of the clamp arms have a pair of facing surfaces that construct the outer circumferential surface and the inner circumferential surface of the ring-shaped body, a pair of facing surfaces that construct two side surfaces of the ring-shaped body, a pair of facing surfaces that are inclined to the facing surfaces, and a pair of facing surfaces that are inclined to the facing surfaces.Type: GrantFiled: February 1, 2019Date of Patent: January 4, 2022Assignee: HIOKI E.E. CORPORATIONInventors: Kentaro Nakajima, Tetsuya Nakamura, Takeaki Miyazawa, Yusuke Abe
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Publication number: 20210376500Abstract: A terminal-attached electric wire includes: an insulated electric wire which includes a core wire and an insulating material covering the periphery of the core wire; a terminal fitting electrically connected to the core wire at the end of the insulated electric wire; and an adhesive tube covering the end of the insulating material. The terminal-attached electric wire includes a molding portion formed to cover a region extending from a core wire-connected portion of the terminal fitting which is connected to the core wire to a middle portion in an axial direction of the adhesive tube. The outer peripheral surface of the adhesive tube is adhered to the inner peripheral surface of the molding portion. The inner peripheral surface of the adhesive tube is adhered to the outer peripheral surface of the insulating material.Type: ApplicationFiled: November 9, 2018Publication date: December 2, 2021Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Mitsuru HIROSE, Koji FUKUMOTO, Daisuke HASHIMOTO, Tetsuya NAKAMURA, Kazuo NAKASHIMA, Shigeyuki TANAKA, Taro FUJITA, Shinya NISHIKAWA
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Patent number: 11175327Abstract: A radiated emission measurement method includes a prescan measurement step of performing broadband measurement including detection of a peak and detection of a quasi-peak by one fast Fourier transform in a target measurement frequency range; a calculation step of calculating a difference in level between the peak and the quasi-peak obtained for a measurement frequency to be a candidate for a result of measurement; a determination step of determining whether the obtained difference is less than a reference value; and an output step of outputting a result obtained as an interference level of the radiated emission in the broadband measurement when it is determined that the difference is less than reference value, and performing narrowband measurement and outputting the obtained result as the interference level of the radiated emission, when it is determined that the difference is equal to or higher than the reference value.Type: GrantFiled: April 20, 2018Date of Patent: November 16, 2021Assignee: TOYO CORPORATIONInventors: Tetsuya Nakamura, Naoki Tsuboi
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Publication number: 20210325247Abstract: Provided is a spectrum analysis method including: accumulating n spectrums obtained by consecutively fast Fourier transforming an input signal n times; receiving a threshold; identifying, in the n spectrums accumulated in the accumulating, frequently occurring data that includes data whose number of occurrences exceeds the threshold received in the receiving, the number of occurrences being defined as a total number of items of data at a same frequency point that indicate levels that are close to each other, to within a predetermined range; selecting a maximum level at each of the frequency points from among only the identified frequently occurring data; and outputting a spectrum indicating the maximum levels selected at the frequency points.Type: ApplicationFiled: May 25, 2018Publication date: October 21, 2021Inventors: Tetsuya NAKAMURA, Naoki TSUBOI
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Publication number: 20210325438Abstract: A radiated emission measurement method includes a prescan measurement step of performing broadband measurement including detection of a peak and detection of a quasi-peak by one fast Fourier transform in a target measurement frequency range; a calculation step of calculating a difference in level between the peak and the quasi-peak obtained for a measurement frequency to be a candidate for a result of measurement; a determination step of determining whether the obtained difference is less than a reference value; and an output step of outputting a result obtained as an interference level of the radiated emission in the broadband measurement when it is determined that the difference is less than reference value, and performing narrowband measurement and outputting the obtained result as the interference level of the radiated emission, when it is determined that the difference is equal to or higher than the reference value.Type: ApplicationFiled: April 20, 2018Publication date: October 21, 2021Inventors: Tetsuya NAKAMURA, Naoki TSUBOI
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Patent number: 11152720Abstract: A terminal-equipped wire in which a terminal fitting and a wire obtained by covering an outer periphery of a conductor with an insulating covering are electrically connected to each other at an electric connection, the terminal-equipped wire including a resin covering that is made of a resin material, and covers the electric connection, wherein: the resin covering includes, in a region that covers at least part of the terminal fitting, a first covering layer that is in contact with a surface of the terminal fitting and a second covering layer that covers at least part of the first covering layer, and the first covering layer has a recess, and the recess is covered by the second covering layer.Type: GrantFiled: October 18, 2018Date of Patent: October 19, 2021Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Takuya Yamashita, Tetsuya Nakamura, Yoshiaki Yamano, Takaaki Ito, Junichi Ono