Patents by Inventor Kenji Miyanaga
Kenji Miyanaga 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: 20230318417Abstract: There is provided a rotating electric machine stator manufacturing method for forming a resin film on coil film peeled-off portions of a rotating electric machine stator by liquid resin material, the method including: an immersion process of immersing the coil film peeled-off portions of the rotating electric machine stator in the liquid resin material; and a heat curing process of heat curing the liquid resin material after release of the immersing to form the resin film, wherein the liquid resin material has thixotropy; and the immersion process includes a process of causing the rotating electric machine stator to move in a direction other than a vertical direction at least once at least while the coil film peeled-off portions are immersed in the liquid resin material.Type: ApplicationFiled: March 7, 2023Publication date: October 5, 2023Inventors: Takayuki KOGURE, Kazuya NAGASAWA, Kenji MIYANAGA, Takafumi HEI, Satoshi SHIKATA, Hideki TANAKA
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Patent number: 11638930Abstract: Provided is a powder coating device. The powder coating device performs powder coating by inserting peeled parts at a lower end of a stator into a powder flow tank filled with a powder resin and includes: a surface height measurement part measuring a surface height of the powder resin; a peel height measurement part measuring a height of upper ends of the peeled parts; a swing part swinging the powder resin; an air supply part supplying air toward the powder flow tank via a porous body provided below an open bottom surface of the powder flow tank, and flowing the powder resin; and an adjustment part adjusting at least one of an air flow rate, a swing amount of the powder flow tank, an entry posture and an entry amount of the stator according to measurement results of the surface height measurement part and the peel height measurement part.Type: GrantFiled: March 29, 2021Date of Patent: May 2, 2023Assignee: Honda Motor Co., Ltd.Inventors: Hiroomi Shimizu, Kenji Miyanaga
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Patent number: 11480507Abstract: A flow inspection method includes: a flow step of making powder resin flow in a housing portion of a flow tank; a viscosity measurement step of measuring a viscosity of the powder resin flowing in the housing portion; and a judgment step of judging whether or not an estimate of a bulk density of the powder resin flowing in the housing portion is less than or equal to a bulk density permissible value, the estimate being obtainable from a correlation, calculated in advance, between the bulk density and a viscosity of the powder resin flowing in the housing portion, and a measured value of the viscosity obtained in the viscosity measurement step.Type: GrantFiled: March 20, 2020Date of Patent: October 25, 2022Assignee: HONDA MOTOR CO., LTD.Inventors: Kenji Miyanaga, Hiroshi Kunieda, Yosuke Suzuki, Naofumi Sugai, Takao Endo
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Patent number: 11371872Abstract: First to eighth laser measurement sections (30a) to (30h) of a laser measurement unit (30) measures a height of a surface of powder resins (15) in a coil insertion range CA for every angular degree in a circumferential direction of a stator core (2). A control unit (18) computes the number of points where the height of the surface is lower than a predetermined height among measurement results at multiple points measured by the first to eighth laser measurement sections (30a) to (30h), where the number of points is defined as an index value indicative of a dispersion of the measurement results. When it has been determined that the index value exceeds a first predetermined value, a notification is issued by outputting from a speaker (32) a sound indicative of the fact that the index value that has been computed exceeds the first predetermined value.Type: GrantFiled: March 22, 2019Date of Patent: June 28, 2022Assignee: HONDA MOTOR CO., LTD.Inventors: Hiroomi Shimizu, Hiroaki Matsumoto, Kenji Miyanaga, Junji Nakajima, Hiroshi Kunieda
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Patent number: 11192136Abstract: To provide a powder resin coating method and powder resin coating device which can maintain a powder surface as flat irrespective of changes in the average particle size of powder resin. A powder resin coating device (1) includes a powder fluidizing bed (2) storing powder resin, a vibration mechanism (5) connected to the powder fluidizing bed (2), and a control device (8) controlling the frequency of the vibration mechanism (5). The control device (8) includes an average particle size estimation unit (82) that estimates the average particle size of powder resin stored within the powder fluidizing bed (2); an optimum frequency determination unit (83) that determines an optimum frequency for causing the powder surface to flatten based on the average particle size estimated by the average particle size estimation unit (82); and a frequency control unit (84) causing the vibration mechanism (5) to vibrate at the determined optimum frequency.Type: GrantFiled: November 8, 2018Date of Patent: December 7, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Hiroshi Kunieda, Kenji Miyanaga, Junji Nakajima, Hiroomi Shimizu, Hirokazu Akiyoshi
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Publication number: 20210299698Abstract: Provided is a powder coating device. The powder coating device performs powder coating by inserting peeled parts at a lower end of a stator into a powder flow tank filled with a powder resin and includes: a surface height measurement part measuring a surface height of the powder resin; a peel height measurement part measuring a height of upper ends of the peeled parts; a swing part swinging the powder resin; an air supply part supplying air toward the powder flow tank via a porous body provided below an open bottom surface of the powder flow tank, and flowing the powder resin; and an adjustment part adjusting at least one of an air flow rate, a swing amount of the powder flow tank, an entry posture and an entry amount of the stator according to measurement results of the surface height measurement part and the peel height measurement part.Type: ApplicationFiled: March 29, 2021Publication date: September 30, 2021Applicant: Honda Motor Co., Ltd.Inventors: Hiroomi SHIMIZU, Kenji MIYANAGA
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Publication number: 20200300741Abstract: A flow inspection method includes: a flow step of making powder resin flow in a housing portion of a flow tank; a viscosity measurement step of measuring a viscosity of the powder resin flowing in the housing portion; and a judgment step of judging whether or not an estimate of a bulk density of the powder resin flowing in the housing portion is less than or equal to a bulk density permissible value, the estimate being obtainable from a correlation, calculated in advance, between the bulk density and a viscosity of the powder resin flowing in the housing portion, and a measured value of the viscosity obtained in the viscosity measurement step.Type: ApplicationFiled: March 20, 2020Publication date: September 24, 2020Inventors: Kenji Miyanaga, Hiroshi Kunieda, Yosuke Suzuki, Naofumi Sugai, Takao Endo
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Publication number: 20190301917Abstract: First to eighth laser measurement sections (30a) to (30h) of a laser measurement unit (30) measures a height of a surface of powder resins (15) in a coil insertion range CA for every angular degree in a circumferential direction of a stator core (2). A control unit (18) computes the number of points where the height of the surface is lower than a predetermined height among measurement results at multiple points measured by the first to eighth laser measurement sections (30a) to (30h), where the number of points is defined as an index value indicative of a dispersion of the measurement results. When it has been determined that the index value exceeds a first predetermined value, a notification is issued by outputting from a speaker (32) a sound indicative of the fact that the index value that has been computed exceeds the first predetermined value.Type: ApplicationFiled: March 22, 2019Publication date: October 3, 2019Inventors: Hiroomi Shimizu, Hiroaki Matsumoto, Kenji Miyanaga, Junji Nakajima, Hiroshi Kunieda
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Publication number: 20190134662Abstract: To provide a powder resin coating method and powder resin coating device which can maintain a powder surface as flat irrespective of changes in the average particle size of powder resin. A powder resin coating device (1) includes a powder fluidizing bed (2) storing powder resin, a vibration mechanism (5) connected to the powder fluidizing bed (2), and a control device (8) controlling the frequency of the vibration mechanism (5). The control device (8) includes an average particle size estimation unit (82) that estimates the average particle size of powder resin stored within the powder fluidizing bed (2); an optimum frequency determination unit (83) that determines an optimum frequency for causing the powder surface to flatten based on the average particle size estimated by the average particle size estimation unit (82); and a frequency control unit (84) causing the vibration mechanism (5) to vibrate at the determined optimum frequency.Type: ApplicationFiled: November 8, 2018Publication date: May 9, 2019Inventors: Hiroshi Kunieda, Kenji Miyanaga, Junji Nakajima, Hiroomi Shimizu, Hirokazu Akiyoshi
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Patent number: 10243640Abstract: Provided is a phased array transmission device including: a plurality of transmission branches, each being provided with a phase shift unit that applies a phase rotation to a baseband signal, a DC offset correction unit that adds a first correction value to an output signal of the phase shift unit, and a mixer that subjects an output signal of the DC offset correction unit to a frequency conversion to a high frequency band; and a correction control unit that calculates a second correction value with which a carrier leak component included in an output signal of the mixer is minimized, for each of a plurality of candidates for a phase rotation amount that is set for the phase rotation, and determines the first correction value on the basis of the second correction value.Type: GrantFiled: March 9, 2017Date of Patent: March 26, 2019Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Kenji Miyanaga, Yukio Okazaki
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Patent number: 9903908Abstract: A nonlinear distortion detection device that includes a test signal generator that generates a test signal and outputs the test signal to have the power amplifier amplify the test signal, a Fourier transformer that converts an output signal of the power amplifier to a signal in a frequency domain, and a distortion factor calculator that calculates a distortion factor of the power amplifier based on amplitude information and phase information of the signal in the frequency domain.Type: GrantFiled: February 16, 2015Date of Patent: February 27, 2018Assignee: PANASONIC CORPORATIONInventors: Kenji Miyanaga, Noriaki Saito
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Publication number: 20170288762Abstract: Provided is a phased array transmission device including: a plurality of transmission branches, each being provided with a phase shift unit that applies a phase rotation to a baseband signal, a DC offset correction unit that adds a first correction value to an output signal of the phase shift unit, and a mixer that subjects an output signal of the DC offset correction unit to a frequency conversion to a high frequency band; and a correction control unit that calculates a second correction value with which a carrier leak component included in an output signal of the mixer is minimized, for each of a plurality of candidates for a phase rotation amount that is set for the phase rotation, and determines the first correction value on the basis of the second correction value.Type: ApplicationFiled: March 9, 2017Publication date: October 5, 2017Inventors: KENJI MIYANAGA, YUKIO OKAZAKI
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Patent number: 9595925Abstract: A distortion-compensating power amplifier compensates for nonlinear distortion in a power amplifier. The distortion-compensating power amplifier includes: a predistorter that performs pre-distortion processing, the pre-distortion processing applying an inverse characteristic of a distortion characteristic that is generated in the power amplifier to an input signal; a filter that performs band limitation on the pre-distorted input signal by using a frequency characteristic that is asymmetric with respect to a center frequency of the input signal, the filter having a filter coefficient that is a complex number; a down-sampler that down-samples the band-limited input signal; and a digital-to-analog converter that converts the down-sampled input signal from a digital signal to an analog signal.Type: GrantFiled: October 14, 2015Date of Patent: March 14, 2017Assignee: PANASONIC CORPORATIONInventors: Kenji Miyanaga, Koji Takinami
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Patent number: 9525581Abstract: In signal processing of the present disclosure, an abnormal correction value as a correction value for correcting a quadrature error that occurs in quadrature modulation is output in malfunction determining processing, and a normal correction value as the correction value is output in calibration processing. The presence or absence of malfunction in the signal processing is determined on the basis of the levels of carrier leak and image leak of the quadrature modulated signal.Type: GrantFiled: February 8, 2016Date of Patent: December 20, 2016Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Noriaki Saito, Kenji Miyanaga, Shigeki Nakamura
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Publication number: 20160285669Abstract: In signal processing of the present disclosure, an abnormal correction value as a correction value for correcting a quadrature error that occurs in quadrature modulation is output in malfunction determining processing, and a normal correction value as the correction value is output in calibration processing. The presence or absence of malfunction in the signal processing is determined on the basis of the levels of carrier leak and image leak of the quadrature modulated signal.Type: ApplicationFiled: February 8, 2016Publication date: September 29, 2016Inventors: NORIAKI SAITO, KENJI MIYANAGA, SHIGEKI NAKAMURA
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Patent number: 9438301Abstract: In the stop state of a VCO and an injection locked frequency divider, an ILFD controller sets the control parameter of an injection locked frequency divider on the basis of the frequencies of a reference signal and the frequency-divided signal measured according to the control parameter of the injection locked frequency divider. While the injection locked frequency divider is operated and in the stop state of the VCO, the ILFD controller sets the control parameter of the injection locked frequency divider on the basis of the frequencies of the reference signal and the frequency-divided signal measured according to the control parameter of the injection locked frequency divider.Type: GrantFiled: March 31, 2014Date of Patent: September 6, 2016Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yoichi Nagaso, Kenji Miyanaga, Takahiro Shima
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Publication number: 20160118946Abstract: A distortion-compensating power amplifier compensates for nonlinear distortion in a power amplifier. The distortion-compensating power amplifier includes: a predistorter that performs pre-distortion processing, the pre-distortion processing applying an inverse characteristic of a distortion characteristic that is generated in the power amplifier to an input signal; a filter that performs band limitation on the pre-distorted input signal by using a frequency characteristic that is asymmetric with respect to a center frequency of the input signal, the filter having a filter coefficient that is a complex number; a down-sampler that down-samples the band-limited input signal; and a digital-to-analog converter that converts the down-sampled input signal from a digital signal to an analog signal.Type: ApplicationFiled: October 14, 2015Publication date: April 28, 2016Inventors: KENJI MIYANAGA, KOJI TAKINAMI
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Patent number: 9264913Abstract: A wireless communication device of the present disclosure has: a transmitter having a plurality of transmission circuit branches; a receiver having a plurality of reception circuit branches; a transmission phase switch; a reception phase switch; and a phase/transmission-reception controller, and has a beam-forming function. When phase switching is performed during a plurality of training packets for setting directivity, the phase/transmission-reception controller controls the transmission phase switch and the reception phase switch by setting a same phase for each of m (m being an integer of 2 or more) number of continuous training packets. In addition, the phase/transmission-reception controller performs control such that the transmission of the transmitter and the reception of the receiver are set to an OFF state in at least one or more training packets from the beginning of the m number of continuous training packets.Type: GrantFiled: February 17, 2015Date of Patent: February 16, 2016Assignee: Panasonic CorporationInventors: Takayuki Tsukizawa, Noriaki Saito, Kenji Miyanaga
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Publication number: 20160036485Abstract: In the stop state of a VCO and an injection locked frequency divider, an ILFD controller sets the control parameter of an injection locked frequency divider on the basis of the frequencies of a reference signal and the frequency-divided signal measured according to the control parameter of the injection locked frequency divider. While the injection locked frequency divider is operated and in the stop state of the VCO, the ILFD controller sets the control parameter of the injection locked frequency divider on the basis of the frequencies of the reference signal and the frequency-divided signal measured according to the control parameter of the injection locked frequency divider.Type: ApplicationFiled: March 31, 2014Publication date: February 4, 2016Inventors: Yoichi Nagaso, Kenji Miyanaga, Takahiro Shima
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Patent number: 9166859Abstract: A variable gain amplifier amplifies a baseband signal. A quadrature modulator quadrature-modulates the amplified baseband signal to generate a high-frequency signal. A power amplifier amplifies the generated high-frequency signal. An antenna transmits the amplified high-frequency signal. A detector detects the amplified high-frequency signal. A first nonvolatile memory stores the desired transmission power of the high-frequency signal to be transmitted from the antenna. A controller adjusts the gain of the variable gain amplifier depending on the output of the detector and the transmission power stored in the first nonvolatile memory.Type: GrantFiled: December 26, 2013Date of Patent: October 20, 2015Assignee: PANASONIC CORPORATIONInventors: Noriaki Saito, Kenji Miyanaga, Takayuki Tsukizawa