Patents by Inventor Yohei Kawaguchi
Yohei Kawaguchi 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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Patent number: 9964342Abstract: An outdoor unit for an air-conditioning apparatus includes a machine chamber in which a compressor serving as a vibration source and at least two refrigerant-circuit components and are provided. One of the refrigerant-circuit components and is provided with an elastic tab while an other refrigerant-circuit component or is provided with a catching portion that is engageable with the elastic tab. The refrigerant-circuit components and are brought into close contact with each other by the elastic tab and the catching portion.Type: GrantFiled: November 11, 2015Date of Patent: May 8, 2018Assignee: Mitsubishi Electric CorporationInventors: Yo Kitabatake, Shigeru Hata, Keiichi Tomita, Yohei Kawaguchi
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Patent number: 9934946Abstract: A plasma processing device performing etching processing to a sample disposed in a processing chamber disposed in a vacuum vessel by using plasma formed in the processing chamber includes a light detector, a component detector, and a determination unit. The light detector detects light intensity of a plurality of wavelengths from the inside of the processing chamber at a plurality of times during the sample processing. The component detector detects, by using a result of a principal component analysis of time-series data, a highly correlated component between the time-series data of a plurality of the wavelengths at a certain time in a plurality of the times obtained from output of the light detector. The determination unit determines an amount or an end point of the etching processing based on a change in light intensity of at least one of a plurality of the wavelengths detected by using the time-series data from which the highly correlated component is removed.Type: GrantFiled: September 27, 2016Date of Patent: April 3, 2018Assignee: Hitachi High-Technologies CorporationInventors: Yohei Kawaguchi, Tatehito Usui, Masahito Togami, Satomi Inoue, Shigeru Nakamoto
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Patent number: 9785117Abstract: A motor drive device includes a driver unit configured to be connected to a stepping motor, and a controller connected to the driver unit. The controller causes the driver unit to output a drive pulse to the stepping motor for causing the stepping motor to rotate stepwise in a prescribed rotation direction. The controller detects, through the driver unit, a current induced by a counter-electromotive force generated in the stepping motor in response to the drive pulse. The controller causes the driver unit to apply a counter pulse having the same electrical polarity as the drive pulse to the stepping motor so as to suppress an amount of the current induced by the counter-electromotive force when the stepping motor is not rotating in response to the drive pulse so that the amount of the induced current detectably differs between when the stepping motor is rotating and not rotating.Type: GrantFiled: July 20, 2016Date of Patent: October 10, 2017Assignee: CASIO COMPUTER CO., LTD.Inventors: Yohei Kawaguchi, Fumiaki Ochiai, Yuta Saito
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Patent number: 9759137Abstract: An internal combustion engine is provided with a plurality of cylinders, air intake valves provided to each of the cylinders, and a variable valve actuation mechanism for varying the valve actuation of the air intake valves. A motor drives the variable valve actuation mechanism. A motor controller controls the motor. The internal combustion engine is capable of operating in a cylinder deactivation mode, in which the air intake valves of some of the cylinders are kept shut. When the internal combustion engine is reactivated from the cylinder deactivation mode, the motor controller executes an air intake amount correction process, in which the opening duration of the air intake valves is temporarily increased, thereby increasing the amount of air taken in by operating cylinder for which the air intake valves have been opened or closed even during the cylinder deactivation mode.Type: GrantFiled: June 26, 2013Date of Patent: September 12, 2017Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Yohei Kawaguchi
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Publication number: 20170178874Abstract: A plasma processing device performing etching processing to a sample disposed in a processing chamber disposed in a vacuum vessel by using plasma formed in the processing chamber includes a light detector, a component detector, and a determination unit. The light detector detects light intensity of a plurality of wavelengths from the inside of the processing chamber at a plurality of times during the sample processing. The component detector detects, by using a result of a principal component analysis of time-series data, a highly correlated component between the time-series data of a plurality of the wavelengths at a certain time in a plurality of the times obtained from output of the light detector. The determination unit determines an amount or an end point of the etching processing based on a change in light intensity of at least one of a plurality of the wavelengths detected by using the time-series data from which the highly correlated component is removed.Type: ApplicationFiled: September 27, 2016Publication date: June 22, 2017Inventors: Yohei KAWAGUCHI, Tatehito USUI, Masahito TOGAMI, Satomi INOUE, Shigeru NAKAMOTO
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Patent number: 9623446Abstract: A sieving apparatus includes first and second sieving portions. The first sieving portion includes a sieve with a plurality of elongated holes or slits for separation of an object to be sieved based on difference in cross-sectional diameter. The second sieving portion with a sieve constituted by a porous plate includes round holes for separation of the object that has passed through the elongated holes or slits based on difference in aspect ratio. The second sieving portion is employed after sieving by the first sieving portion. A diameter of the round holes in the porous plate constituting the sieve included in the second sieving portion is longer than an opening width in a shorter direction of the elongated hole or the slit of the sieve included in the first sieving portion.Type: GrantFiled: March 8, 2016Date of Patent: April 18, 2017Assignee: NARA MACHINERY CO., LTD.Inventors: Hidetoshi Iwamatsu, Yohei Kawaguchi, Masato Shindo
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Patent number: 9601321Abstract: A measurement state in a mass spectrometer device is determined so that the measurement method for the next round of measurement can be automatically determined. The mass spectrometer device (1) is provided with: a first calculation unit (6) that calculates the total amount of ion in a mass spectrum; a second calculation unit (6) that calculates the half-value width of a representative peak selected from peaks appearing in the mass spectrum; and a control unit (7) that determines the measurement method for use in the next round of measurement on the basis of the total amount of ion and the half-value width of the representative peak.Type: GrantFiled: June 14, 2013Date of Patent: March 21, 2017Assignee: Hitachi High-Technologies CorporationInventors: Akihito Kaneko, Yohei Kawaguchi, Masuyuki Sugiyama, Kazushige Nishimura
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Publication number: 20170038736Abstract: A motor drive device includes a driver unit configured to be connected to a stepping motor, and a controller connected to the driver unit. The controller causes the driver unit to output a drive pulse to the stepping motor for causing the stepping motor to rotate stepwise in a prescribed rotation direction. The controller detects, through the driver unit, a current induced by a counter-electromotive force generated in the stepping motor in response to the drive pulse. The controller causes the driver unit to apply a counter pulse having the same electrical polarity as the drive pulse to the stepping motor so as to suppress an amount of the current induced by the counter-electromotive force when the stepping motor is not rotating in response to the drive pulse so that the amount of the induced current detectably differs between when the stepping motor is rotating and not rotating.Type: ApplicationFiled: July 20, 2016Publication date: February 9, 2017Applicant: CASIO COMPUTER CO., LTD.Inventors: Yohei KAWAGUCHI, Fumiaki OCHIAI, Yuta SAITO
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Publication number: 20170015004Abstract: The present invention enables to easily and accurately measure a joint of a robot apparatus, in particular, a lost motion of a driving system of the joint, and, to easily and accurately perform a diagnosis of a lifetime or a life expectancy of a joint mechanism of the robot apparatus based on a measured result.Type: ApplicationFiled: July 1, 2016Publication date: January 19, 2017Inventors: Tsutomu Osaka, Takahiro Ishikawa, Shunsuke Kawamura, Yohei Kawaguchi
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Patent number: 9537435Abstract: Disclosed is a stepping motor including a rotor, a plurality of coils and a switching mechanism. The stepping motor simultaneously or sequentially applies driving pulses to the coils to rotate the rotor by a predetermined step angle, and while the driving pulses are being applied to part of the coils, the switching mechanism switches the rest of the coils other than the part of the coils driven by the driving pulses into a high impedance state.Type: GrantFiled: September 15, 2014Date of Patent: January 3, 2017Assignee: CASIO COMPUTER CO., LTD.Inventors: Yuta Saito, Yohei Kawaguchi
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Patent number: 9529340Abstract: A poor fit state is eliminated during an inserting operation for inserting the inserting object piece to the inserting target piece. Vibrators are attached to fingers of a robot hand, at positions contacting an inserting object piece. A controlling apparatus controls a power source to start vibrating the vibrators before the start of the inserting operation and judges as to whether a detection value of force in a Z direction detected by a force sensor exceeds or falls below a threshold value during the inserting operation. When the controlling apparatus judges that the detection value of force in the Z direction detected by the force sensor exceeds the threshold value during the inserting operation, the controlling apparatus controls the power source to change the amplitudes, the frequencies and the phases of vibrations of the vibrators.Type: GrantFiled: February 23, 2015Date of Patent: December 27, 2016Assignee: CANON KABUSHIKI KAISHAInventor: Yohei Kawaguchi
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Publication number: 20160276967Abstract: A stepping motor driving device drives a first coil and a second coil. The stepping motor driving device includes a motor control unit. The motor control unit applies a predetermined voltage to the first coil in a first phase, applies the predetermined voltage to the second coil in a second phase after the first phase, and alternately applies the predetermined voltage to the first coil and the second coil in a third phase after the second phase.Type: ApplicationFiled: January 28, 2016Publication date: September 22, 2016Applicant: CASIO COMPUTER CO., LTD.Inventors: Yohei KAWAGUCHI, Yuta SAITO
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Publication number: 20160184866Abstract: A sieving apparatus includes first and second sieving portions. The first sieving portion includes a sieve with a plurality of elongated holes or slits for separation of an object to be sieved based on difference in cross-sectional diameter. The second sieving portion with a sieve constituted by a porous plate includes round holes for separation of the object that has passed through the elongated holes or slits based on difference in aspect ratio. The second sieving portion is employed after sieving by the first sieving portion. A diameter of the round holes in the porous plate constituting the sieve included in the second sieving portion is longer than an opening width in a shorter direction of the elongated hole or the slit of the sieve included in the first sieving portion.Type: ApplicationFiled: March 8, 2016Publication date: June 30, 2016Inventors: Hidetoshi IWAMATSU, Yohei KAWAGUCHI, Masato SHINDO
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Publication number: 20160146120Abstract: An internal combustion engine is provided with a plurality of cylinders, air intake valves provided to each of the cylinders, and a variable valve actuation mechanism for varying the valve actuation of the air intake valves. A motor drives the variable valve actuation mechanism. A motor controller controls the motor. The internal combustion engine is capable of operating in a cylinder deactivation mode, in which the air intake valves of some of the cylinders are kept shut. When the internal combustion engine is reactivated from the cylinder deactivation mode, the motor controller executes an air intake amount correction process, in which the opening duration of the air intake valves is temporarily increased, thereby increasing the amount of air taken in by operating cylinder for which the air intake valves have been opened or closed even during the cylinder deactivation mode.Type: ApplicationFiled: June 26, 2013Publication date: May 26, 2016Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Yohei KAWAGUCHI
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Publication number: 20160146512Abstract: An outdoor unit for an air-conditioning apparatus includes a machine chamber in which a compressor serving as a vibration source and at least two refrigerant-circuit components and are provided. One of the refrigerant-circuit components and is provided with an elastic tab while an other refrigerant-circuit component or is provided with a catching portion that is engageable with the elastic tab. The refrigerant-circuit components and are brought into close contact with each other by the elastic tab and the catching portion.Type: ApplicationFiled: November 11, 2015Publication date: May 26, 2016Inventors: Yo KITABATAKE, Shigeru HATA, Keiichi TOMITA, Yohei KAWAGUCHI
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Patent number: 9291360Abstract: [Object] To provide an outdoor unit for an air-conditioning apparatus, which solves a manufacturing problem in that a grip is not easily taken out from a mold, and an air-conditioning apparatus including the outdoor unit. [Solution] There is included a grip formed by fitting two components.Type: GrantFiled: September 30, 2013Date of Patent: March 22, 2016Assignee: Mitsubishi Electric CorporationInventor: Yohei Kawaguchi
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Patent number: 9288576Abstract: In a conventional dereverberation system, when there is a fluctuating reverberation component, it has been difficult to determine, with high accuracy, a linear dereverberation filter for removing a non-fluctuating reverberation component. An algorithm integrating a dereverberation system using a linear filter and a dereverberation system using a non-linear filter includes the function of measuring the amount of fluctuation in transfer function in a latter-stage non-linear filter over time, and controls the strength of the non-linear filter over time based on the function. In this configuration, a strong non-linear process is implemented only when the fluctuation in transfer function is large, whereby distortion in speech components can be minimized.Type: GrantFiled: February 15, 2013Date of Patent: March 15, 2016Assignee: Hitachi, Ltd.Inventors: Masahito Togami, Yohei Kawaguchi
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Patent number: 9287105Abstract: There is a tendency of the intensity and the shape of a spectrum to be measured transitioning with the passage of measured time, depending on the volatility and the reactivity of a component. A mass spectrometric system includes: a mass spectrometric unit that measures a specimen and outputs a mass spectrum; and an estimator that has an estimation rule on content information, the estimation rule being assigned to each component and each measurement time. The estimator estimates, based on a mass spectrum output from the mass spectrometric unit, content information on each component of a plurality of components that may be contained in the specimen in accordance with the estimation rule.Type: GrantFiled: February 6, 2013Date of Patent: March 15, 2016Assignee: Hitachi High-Technologies CorporationInventors: Yohei Kawaguchi, Yuichiro Hashimoto, Masuyuki Sugiyama, Shun Kumano, Akihito Kaneko, Masahito Togami, Kazushige Nishimura, Hiroyuki Inoue
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Publication number: 20150378313Abstract: An electronic device includes a solar panel, a secondary battery, an antenna and a circuit board. The solar panel receives light to generate electric power. The secondary battery stores electric power generated by the solar panel. The antenna is disposed near the solar panel and receives electric waves with a predetermined frequency. The circuit board electrically connects the solar panel and the secondary battery. On a wiring route which is formed on the circuit board so as to electrically connect the solar panel and the secondary battery, at least one circuit element is provided so as to have high electric resistance with respect to electric waves which are received by the antenna while having low electric resistance with respect to a generated current from the solar panel.Type: ApplicationFiled: June 3, 2015Publication date: December 31, 2015Applicant: CASIO COMPUTER CO., LTD.Inventors: Kazuaki ABE, Yohei KAWAGUCHI
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Patent number: 9195221Abstract: A timer includes: a case body made of synthetic resin; an outer case made of synthetic resin, located above the case body and extending to a portion of an upper face of a watch glass; a reinforcement member made of metal embedded in the case body to prevent deformation of the case body when the watch glass is fit thereto and ensure airtightness; and an antenna arranged inside the case body and beneath the reinforcement member, wherein the reinforcement member is embedded in the case body in no electrical continuity with a ground potential.Type: GrantFiled: March 19, 2015Date of Patent: November 24, 2015Assignee: CASIO COMPUTER CO., LTD.Inventors: Yuki Oshita, Junro Yano, Yohei Kawaguchi