Patents by Inventor Yukihiro Sano
Yukihiro Sano 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: 8827656Abstract: Motor control apparatus for an electric oil pump includes the control command generating section configured to drive the motor control section by the first current command signal obtained from the fixed second target torque signal of the second signal generating section in a first stage, when the control command generating section receives the start command of the motor from the host control device when engine stops, to output the sum signal of the first current command signal and the second current command signal to the current control section, and to drive the motor control section by the third current command signal in a second stage, and to switch the output of the target torque switching section from the fixed second target torque signal to the first target torque signal of the first signal generating section in a third stage.Type: GrantFiled: September 12, 2011Date of Patent: September 9, 2014Assignees: JATCO Ltd, Nissan Motor Co., Ltd.Inventors: Yukihiro Sano, Ippei Suzuki, Yuukou Nojiri, Jyunichi Noda
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Patent number: 8804248Abstract: An optical element includes a container including first and second end face walls, a side face wall, and an accommodating chamber inside the walls; first and second liquids enclosed in the chamber; a first electrode provided on a surface of the first end face wall; a second electrode provided on a surface of the second end face wall; an insulating film provided on a surface of the second electrode; and a unit configured to apply a voltage. The shape of an interface between the liquids is changed by a voltage application, and a light transmission path, the center of which is a virtual axis passing through the end face walls in the thickness direction of the container, is formed in a portion of the second liquid. An opening having a diameter the same as or larger than the maximum diameter of the transmission path is provided in the first electrode.Type: GrantFiled: September 12, 2012Date of Patent: August 12, 2014Assignee: Sony CorporationInventors: Kazuhiro Tanaka, Keita Kaifu, Yukihiro Sano, Yukihiro Mitsuda
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Patent number: 8618765Abstract: In an apparatus for controlling a sensorless electric motor that drives an electric oil pump, in a case where a rotational speed of the motor deviates from a first range defined between a first upper limit value and a first lower limit value, a rotational speed limiting section generates a current command signal acting for controlling the rotational speed of the motor to suppress deviation of the rotational speed of the motor from the first range, and in a case where deviation of the rotational speed of the motor from the first range is continued for a predetermined time or more, the rotational speed limiting section sets a second range defined between a second upper limit value and a second lower limit value which are respectively displaced from the first upper limit value and the first lower limit value in a direction in which the deviation is continued.Type: GrantFiled: September 12, 2011Date of Patent: December 31, 2013Assignee: Jatco LtdInventors: Yukihiro Sano, Yuukou Nojiri, Ippei Suzuki, Jyunichi Noda
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Patent number: 8488249Abstract: An optical element includes a first liquid having polarity or electrical conductivity, a second liquid that is immiscible with the first liquid, a first substrate portion, a second substrate portion, a sidewall portion connecting the first substrate portion to the second substrate portion, and an accommodating portion constituted by the first substrate portion, the second substrate portion, and the sidewall portion and sealing the first liquid and the second liquid therein. The first substrate portion includes a first electrode, the second substrate portion includes a second electrode, and the sidewall portion includes a third electrode.Type: GrantFiled: September 24, 2009Date of Patent: July 16, 2013Assignee: Sony CorporationInventors: Yukihiro Sano, Keita Kaifu, Kazuhiro Tanaka, Yukihiro Mitsuda
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Patent number: 8480537Abstract: The second clutch is caused to transition to an engaged state after setting the second clutch in a slip state when the vehicle starts in the hybrid start mode, the temperature of a magnet of the electric motor is estimated based on the temperature of the hydraulic oil and an operating condition of the electric motor when the second clutch is controlled to be in the slip state; and an output torque and a lower limit rotation speed of the electric motor is restricted and reduced when the estimated temperature of the magnet exceeds a restrictive temperature.Type: GrantFiled: October 26, 2011Date of Patent: July 9, 2013Assignee: Jatco LtdInventors: Yukihiro Sano, Ippei Suzuki, Yuukou Nojiri
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Publication number: 20130010369Abstract: An optical element includes a container including first and second end face walls, a side face wall, and an accommodating chamber inside the walls; first and second liquids enclosed in the chamber; a first electrode provided on a surface of the first end face wall; a second electrode provided on a surface of the second end face wall; an insulating film provided on a surface of the second electrode; and a unit configured to apply a voltage. The shape of an interface between the liquids is changed by a voltage application, and a light transmission path, the center of which is a virtual axis passing through the end face walls in the thickness direction of the container, is formed in a portion of the second liquid. An opening having a diameter the same as or larger than the maximum diameter of the transmission path is provided in the first electrode.Type: ApplicationFiled: September 12, 2012Publication date: January 10, 2013Applicant: Sony CorporationInventors: Kazuhiro Tanaka, Keita Kaifu, Yukihiro Sano, Yukihiro Mitsuda
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Patent number: 8279528Abstract: An optical element includes a container including first and second end face walls, a side face wall, and an accommodating chamber inside the walls; first and second liquids enclosed in the chamber; a first electrode provided on a surface of the first end face wall; a second electrode provided on a surface of the second end face wall; an insulating film provided on a surface of the second electrode; and a unit configured to apply a voltage. The shape of an interface between the liquids is changed by a voltage application, and a light transmission path, the center of which is a virtual axis passing through the end face walls in the thickness direction of the container, is formed in a portion of the second liquid. An opening having a diameter the same as or larger than the maximum diameter of the transmission path is provided in the first electrode.Type: GrantFiled: March 31, 2010Date of Patent: October 2, 2012Assignee: Sony CorporationInventors: Kazuhiro Tanaka, Keita Kaifu, Yukihiro Sano, Yukihiro Mitsuda
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Patent number: 8189266Abstract: An optical element includes a container including first and second end face walls, a side face wall, and an accommodating chamber inside the walls; first and second liquids enclosed in the chamber; a first electrode provided on a surface of the first end face wall; a second electrode provided on a surface of the second end face wall; an insulating film provided on a surface of the second electrode; and a unit configured to apply a voltage. The shape of an interface between the liquids is changed by a voltage application, and a light transmission path, the center of which is a virtual axis passing through the end face walls in the thickness direction of the container, is formed in a portion of the second liquid. An opening having a diameter the same as or larger than the maximum diameter of the transmission path is provided in the first electrode.Type: GrantFiled: August 31, 2010Date of Patent: May 29, 2012Assignee: Sony CorporationInventors: Kazuhiro Tanaka, Keita Kaifu, Yukihiro Sano, Yukihiro Mitsuda
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Publication number: 20120108385Abstract: The second clutch is caused to transition to an engaged state after setting the second clutch in a slip state when the vehicle starts in the hybrid start mode, the temperature of a magnet of the electric motor is estimated based on the temperature of the hydraulic oil and an operating condition of the electric motor when the second clutch is controlled to be in the slip state; and an output torque and a lower limit rotation speed of the electric motor is restricted and reduced when the estimated temperature of the magnet exceeds a restrictive temperature.Type: ApplicationFiled: October 26, 2011Publication date: May 3, 2012Inventors: Yukihiro SANO, Ippei Suzuki, Yuukou Nojiri
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Publication number: 20120075714Abstract: An optical element includes a container including first and second end face walls, a side face wall, and an accommodating chamber inside the walls; first and second liquids enclosed in the chamber; a first electrode provided on a surface of the first end face wall; a second electrode provided on a surface of the second end face wall; an insulating film provided on a surface of the second electrode; and a unit configured to apply a voltage. The shape of an interface between the liquids is changed by a voltage application, and a light transmission path, the center of which is a virtual axis passing through the end face walls in the thickness direction of the container, is formed in a portion of the second liquid. An opening having a diameter the same as or larger than the maximum diameter of the transmission path is provided in the first electrode.Type: ApplicationFiled: December 7, 2011Publication date: March 29, 2012Applicant: Sony CorporationInventors: Kazuhiro Tanaka, Keita Kaifu, Yukihiro Sano, Yukihiro Mitsuda
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Publication number: 20120062164Abstract: In an apparatus for controlling a sensorless electric motor that drives an electric oil pump, in a case where a rotational speed of the motor deviates from a first range defined between a first upper limit value and a first lower limit value, a rotational speed limiting section generates a current command signal acting for controlling the rotational speed of the motor to suppress deviation of the rotational speed of the motor from the first range, and in a case where deviation of the rotational speed of the motor from the first range is continued for a predetermined time or more, the rotational speed limiting section sets a second range defined between a second upper limit value and a second lower limit value which are respectively displaced from the first upper limit value and the first lower limit value in a direction in which the deviation is continued.Type: ApplicationFiled: September 12, 2011Publication date: March 15, 2012Inventors: Yukihiro SANO, Yuukou NOJIRI, Ippei SUZUKI, Jyunichi NODA
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Publication number: 20120063922Abstract: Motor control apparatus for an electric oil pump includes the control command generating section configured to drive the motor control section by the first current command signal obtained from the fixed second target torque signal of the second signal generating section in a first stage, when the control command generating section receives the start command of the motor from the host control device when engine stops, to output the sum signal of the first current command signal and the second current command signal to the current control section, and to drive the motor control section by the third current command signal in a second stage, and to switch the output of the target torque switching section from the fixed second target torque signal to the first target torque signal of the first signal generating section in a third stage.Type: ApplicationFiled: September 12, 2011Publication date: March 15, 2012Inventors: Yukihiro SANO, Ippei Suzuki, Yuukou Nojiri, Jyunichi Noda
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Patent number: 8089699Abstract: An optical element includes a container including first and second end face walls, a side face wall, and an accommodating chamber inside the walls; first and second liquids enclosed in the chamber; a first electrode provided on a surface of the first end face wall; a second electrode provided on a surface of the second end face wall; an insulating film provided on a surface of the second electrode; and a unit configured to apply a voltage. The shape of an interface between the liquids is changed by a voltage application, and a light transmission path, the center of which is a virtual axis passing through the end face walls in the thickness direction of the container, is formed in a portion of the second liquid. An opening having a diameter the same as or larger than the maximum diameter of the transmission path is provided in the first electrode.Type: GrantFiled: March 31, 2010Date of Patent: January 3, 2012Assignee: Sony CorporationInventors: Kazuhiro Tanaka, Keita Kaifu, Yukihiro Sano, Yukihiro Mitsuda
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Patent number: 8059343Abstract: An optical element includes a first liquid; a second liquid that is immiscible with the first liquid and that has polarity or electrical conductivity; a first substrate portion; a second substrate portion; a sidewall portion; a second electrode disposed on one of the second substrate portion and the sidewall portion; and an accommodating portion constituted by the first substrate portion, the second substrate portion, and the sidewall portion and sealing the first liquid and the second liquid therein. The optical element further includes a first film disposed on the first substrate portion side of the accommodating portion and having high affinity with the first liquid, a second film disposed on the second substrate portion side of the accommodating portion and having high affinity with the second liquid, and a third film disposed at the center of the second film and having high affinity with the first liquid.Type: GrantFiled: August 12, 2010Date of Patent: November 15, 2011Assignee: Sony CorporationInventors: Yukihiro Mitsuda, Yukihiro Sano, Keita Kaifu, Kazuhiro Tanaka
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Publication number: 20100328781Abstract: An optical element includes a container including first and second end face walls, a side face wall, and an accommodating chamber inside the walls; first and second liquids enclosed in the chamber; a first electrode provided on a surface of the first end face wall; a second electrode provided on a surface of the second end face wall; an insulating film provided on a surface of the second electrode; and a unit configured to apply a voltage. The shape of an interface between the liquids is changed by a voltage application, and a light transmission path, the center of which is a virtual axis passing through the end face walls in the thickness direction of the container, is formed in a portion of the second liquid. An opening having a diameter the same as or larger than the maximum diameter of the transmission path is provided in the first electrode.Type: ApplicationFiled: August 31, 2010Publication date: December 30, 2010Applicant: Sony CorporationInventors: Kazuhiro Tanaka, Keita Kaifu, Yukihiro Sano, Yukihiro Mitsuda
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Patent number: 7857991Abstract: Provided are a dichroic dye composition in which a solubility of the dichroic dye with respect to liquid-crystal is sufficiently high and a wavelength dispersion of absorbance is small in a wide wavelength range, and a black guest-host liquid-crystal composition indicating high order parameters using such a dichroic dye composition and a liquid-crystal element having high contrast. The dichroic dye composition includes at least one dichroic dye selected from Group (I) shown below, at least one dichroic dye selected from Group (II) shown below, and at least one dichroic dye selected from Group (III) shown below.Type: GrantFiled: January 17, 2008Date of Patent: December 28, 2010Assignee: Sony CorporationInventors: Yasushi Shiga, Yuki Tanaka, Mio Ishida, Kazuhiro Tanaka, Keita Kaifu, Yukihiro Sano
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Publication number: 20100302613Abstract: An optical element includes a first liquid; a second liquid that is immiscible with the first liquid and that has polarity or electrical conductivity; a first substrate portion; a second substrate portion; a sidewall portion; a second electrode disposed on one of the second substrate portion and the sidewall portion; and an accommodating portion constituted by the first substrate portion, the second substrate portion, and the sidewall portion and sealing the first liquid and the second liquid therein. The optical element further includes a first film disposed on the first substrate portion side of the accommodating portion and having high affinity with the first liquid, a second film disposed on the second substrate portion side of the accommodating portion and having high affinity with the second liquid, and a third film disposed at the center of the second film and having high affinity with the first liquid.Type: ApplicationFiled: August 12, 2010Publication date: December 2, 2010Applicant: SONY CORPORATIONInventors: Yukihiro Mitsuda, Yukihiro Sano, Keita Kaifu, Kazuhiro Tanaka
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Patent number: 7813049Abstract: An optical element includes a container including first and second end face walls, a side face wall, and an accommodating chamber inside the walls; first and second liquids enclosed in the chamber; a first electrode provided on a surface of the first end face wall; a second electrode provided on a surface of the second end face wall; an insulating film provided on a surface of the second electrode; and a unit configured to apply a voltage. The shape of an interface between the liquids is changed by a voltage application, and a light transmission path, the center of which is a virtual axis passing through the end face walls in the thickness direction of the container, is formed in a portion of the second liquid. An opening having a diameter the same as or larger than the maximum diameter of the transmission path is provided in the first electrode.Type: GrantFiled: November 24, 2008Date of Patent: October 12, 2010Assignee: Sony CorporationInventors: Kazuhiro Tanaka, Keita Kaifu, Yukihiro Sano, Yukihiro Mitsuda
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Patent number: 7787190Abstract: An optical element includes a first liquid; a second liquid that is immiscible with the first liquid and that has polarity or electrical conductivity; a first substrate portion; a second substrate portion; a sidewall portion; a second electrode disposed on one of the second substrate portion and the sidewall portion; and an accommodating portion constituted by the first substrate portion, the second substrate portion, and the sidewall portion and sealing the first liquid and the second liquid therein. The optical element further includes a first film disposed on the first substrate portion side of the accommodating portion and having high affinity with the first liquid, a second film disposed on the second substrate portion side of the accommodating portion and having high affinity with the second liquid, and a third film disposed at the center of the second film and having high affinity with the first liquid.Type: GrantFiled: September 24, 2009Date of Patent: August 31, 2010Assignee: Sony CorporationInventors: Yukihiro Mitsuda, Yukihiro Sano, Keita Kaifu, Kazuhiro Tanaka
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Publication number: 20100188730Abstract: An optical element includes a container including first and second end face walls, a side face wall, and an accommodating chamber inside the walls; first and second liquids enclosed in the chamber; a first electrode provided on a surface of the first end face wall; a second electrode provided on a surface of the second end face wall; an insulating film provided on a surface of the second electrode; and a unit configured to apply a voltage. The shape of an interface between the liquids is changed by a voltage application, and a light transmission path, the center of which is a virtual axis passing through the end face walls in the thickness direction of the container, is formed in a portion of the second liquid. An opening having a diameter the same as or larger than the maximum diameter of the transmission path is provided in the first electrode.Type: ApplicationFiled: March 31, 2010Publication date: July 29, 2010Applicant: Sony CorporationInventors: Kazuhiro Tanaka, Keita Kaifu, Yukihiro Sano, Yukihiro Mitsuda