Patents by Inventor Nobuhiro Kihara
Nobuhiro Kihara 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: 20140092652Abstract: A power supply device includes: a first switching element and a flywheel semiconductor element which are connected in series to a first DC power source in this order; and a reactor and a second DC power source which are connected in series in this order to a node between the first switching element and the flywheel semiconductor element. A second switching element and a charge circuit for charging a line between the first switching element and the second switching element are interposed between the reactor and the second DC power source. Abnormality of each element is determined from a voltage of each portion of the power supply device measured when the first and second switching elements and the flywheel semiconductor element are driven and controlled.Type: ApplicationFiled: March 29, 2013Publication date: April 3, 2014Inventors: Nobuhiro KIHARA, Hiroshi OKUDA
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Patent number: 8670258Abstract: A power supply device includes a failure determination means that detects, based on a current detected by a current detector, a failure of the switching elements of each of the chopper sections, and the failure determination means obtains values of the current detected by the current detector at the timing of falling edges of control signals to the switching elements of each of the chopper sections, determines the failure when the obtained current values differ from each other, and transmits a failure signal to a generation control means. When receiving the failure signal, the generation control means limits an output current from a generator in a way such that the withstanding current of a non-failed chopper section out of the chopper sections of the phases is not exceeded.Type: GrantFiled: January 12, 2012Date of Patent: March 11, 2014Assignee: Mitsubishi Electric CorporationInventors: Toru Daigo, Nobuhiro Kihara, Naoki Itoi, Mitsuo Sone
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Patent number: 8649077Abstract: An image recording medium in which a refractive index modulation is recorded in a material in a layer such that, when the hologram recording medium is illuminated from a predetermined angle and a viewpoint is moved horizontally with respect to a normal line, a hologram image having continuous parallax in at least the horizontal direction is reproduced and that, when the viewpoint is moved in a direction with respect to the normal line different from the horizontal direction, another image that is different from and thus is not continuous with the hologram image is reproduced.Type: GrantFiled: November 3, 2011Date of Patent: February 11, 2014Assignee: Sony CorporationInventors: Nobuhiro Kihara, Akira Shirakura
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Patent number: 8598541Abstract: A fluorescent image obtaining device includes a light source that irradiates light such that a fluorescent material marked on a target in a biological sample lies in a non-excited state and a fluorescent material marked on a control with the target lies in an excited state, and an imaging unit that takes an image including the entire biological sample.Type: GrantFiled: August 25, 2010Date of Patent: December 3, 2013Assignee: Sony CorporationInventors: Koichiro Kishima, Yu Hirono, Nobuhiro Hayashi, Takamichi Yamakoshi, Nobuhiro Kihara, Takashi Yamamoto, Fumiyasu Suzuki, Ryu Narusawa
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Publication number: 20130288159Abstract: An electrolyte membrane having alkylether graft chains for use in a fuel cell produced by a method of producing an electrolyte membrane for use in a fuel cell, including: performing radiation-induced graft polymerization of a vinyl monomer having nucleophilic functional groups, the vinyl monomer selected from an acylvinyl ether derivative, a styrene derivative, and a methacrylic acid derivative, with a polymer substrate comprising a polymer selected from a fluorine-containing polymer, an olefinic polymer, and an aromatic polymer; deprotecting the nucleophilic functional group, which is protected by an ester bond, of a graft chain on the polymer substrate introduced by the radiation-induced graft polymerization; and introducing an alkylethersulfonic acid structure into the deprotected nucleophilic functional group of the graft chain, by use of an electrophilic reagent selected from cyclic sulfonic acid ester and alkylhalide-sulfonate.Type: ApplicationFiled: June 21, 2013Publication date: October 31, 2013Inventors: Yasunari MAEKAWA, Kazuyuki Enomoto, Nobuhiro Kihara
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Patent number: 8564864Abstract: An image recording medium in which a refractive index modulation is recorded in a material in a layer such that, when the hologram recording medium is illuminated from a predetermined angle and a viewpoint is moved horizontally with respect to a normal line, a hologram image having continuous parallax in at least the horizontal direction is reproduced and that, when the viewpoint is moved in a direction with respect to the normal line different from the horizontal direction, another image that is different from and thus is not continuous with the hologram image is reproduced.Type: GrantFiled: December 15, 2009Date of Patent: October 22, 2013Assignee: Sony CorporationInventors: Nobuhiro Kihara, Akira Shirakura
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Publication number: 20130235181Abstract: An information processing apparatus includes an acquisition section and a correction section. The acquisition section acquires information of lightness distribution of a first image captured by an imaging section capable of capturing an image of an observed area provided on an optical path of an optical system of an optical microscope, the image of the observed area being obtained by the optical microscope, the first image being an image of the observed area in a state where no sample is placed therein, the lightness distribution resulting from the optical system of the optical microscope. The correction section corrects, based on the information of lightness distribution acquired by the acquisition section, lightness unevenness of a second image captured by the imaging section, the second image being an image of the observed area in a state where the sample is placed therein.Type: ApplicationFiled: April 23, 2013Publication date: September 12, 2013Applicant: Sony CorporationInventors: Junichi Sakagami, Nobuhiro Kihara
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Patent number: 8525490Abstract: A power supply device includes: a magneto generator with a rotor having a magnet; a torque supplying device supplying torque to the rotor; a rectifier circuit supplying electric power to a electrical load device by rectifying an output of the magneto generator; a short circuit electrically shorting an output end of the magneto generator; a voltage detection circuit detecting a terminal voltage of the electrical load device; and a control circuit controlling a voltage of the electrical load device to be a first set value by controlling the short circuit to switch ON (short operating mode) and OFF (rectification operating mode) according to the voltage detected by the voltage detection circuit and allowing the short circuit to operate while making a switching between the two operating modes according to a operating state relating to a rotation of the rotor of the magneto generator.Type: GrantFiled: November 15, 2010Date of Patent: September 3, 2013Assignee: Mitsubishi Electric CorporationInventors: Naoki Itoi, Masayoshi Maeda, Nobuhiro Kihara, Hiroshi Okuda, Fumito Uemura
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Patent number: 8526087Abstract: Disclosed herein is a hologram recording medium, wherein in a volume hologram, the hologram recording medium is covered with a partially patterned optical functional film on the side closer to the viewer than a hologram recording layer without the medium of air, and wherein the hologram recording medium maintains its appearance approximately unchanged irrespective of the presence or absence of the optical functional film.Type: GrantFiled: February 5, 2010Date of Patent: September 3, 2013Assignees: Sony Corporation, Sony Disc & Digital Solutions Inc.Inventors: Akira Shirakura, Nobuhiro Kihara
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Publication number: 20130214758Abstract: An inductor L2 is inserted in series between an input power supply E and a switching device Q1. An input smoothing capacitor C2 is provided between a connecting point of the inductor L2 and the switching device Q1 and a ground point. Herein, let L2 be an inductance value of the inductor, C2 be an electrostatic capacity of the input smoothing capacitor, and T1 be a time since the switching device Q1 is switched from an ON state to an OFF state until the switching device Q1 is switched to an ON state again according to an output signal from a drive circuit DR, then T1 is set so as to satisfy 0<T1<??{square root over (L2×C2)} By lowering a voltage applied to a switching device when the switching device switches OFF from ON, it becomes possible to use a switching device having low breakdown voltage in a step-down DC-to-DC converter.Type: ApplicationFiled: June 18, 2012Publication date: August 22, 2013Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Nobuhiro KIHARA, Yuichi MURAMOTO, Yusuke HIGAKI
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Patent number: 8470895Abstract: A method of producing an electrolyte membrane for use in a fuel cell, including: performing radiation-induced graft polymerization of a vinyl monomer having a nucleophilic functional group selected from an acylvinyl ether derivative, a styrene derivative, and a methacrylic acid derivative, with a polymer substrate having a fluorine-containing polymer, an olefin-containing polymer, or an aromatic polymer; deprotecting an ester bond of a graft chain on the polymer substrate introduced by the radiation-induced graft polymerization; and introducing an alkylethersulfonic acid structure into the nucleophilic functional group of the graft chain thus deprotected, by use of an electrophilic reagent selected from cyclic sulfonic acid ester and alkylhalide sulfonate.Type: GrantFiled: January 26, 2010Date of Patent: June 25, 2013Assignees: Japan Atomic Energy Agency, Kanagawa UniversityInventors: Yasunari Maekawa, Kazuyuki Enomoto, Nobuhiro Kihara
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Patent number: 8454879Abstract: An optical shaping apparatus includes: an exposing unit for turning on/off irradiation of light to a hardening resin surface for each predetermined unit area to irradiate light collectively on multiple the unit areas with irradiation of light being on; and a scanning unit for irradiating an optical beam with a predetermined diameter to scan the optical beam on the hardening resin surface; with the exposing unit irradiating the light in an area offset by a predetermined number of unit areas toward the inner side than the unit areas overlapped with the profile line of the cross-sectional-shaped data on the hardening resin surface; and with the scanning unit scanning an optical beam having a first diameter along a center line offset from the profile line of the cross-sectional-shaped data, and scanning an optical beam having a second diameter shorter than the first diameter along the inner side of the profile line.Type: GrantFiled: December 2, 2008Date of Patent: June 4, 2013Assignee: Sony CorporationInventors: Junichi Kuzusako, Nobuhiro Kihara, Katsuhisa Honda
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Patent number: 8442347Abstract: An information processing apparatus includes an acquisition section and a correction section. The acquisition section acquires information of lightness distribution of a first image captured by an imaging section capable of capturing an image of an observed area provided on an optical path of an optical system of an optical microscope, the image of the observed area being obtained by the optical microscope, the first image being an image of the observed area in a state where no sample is placed therein, the lightness distribution resulting from the optical system of the optical microscope. The correction section corrects, based on the information of lightness distribution acquired by the acquisition section, lightness unevenness of a second image captured by the imaging section, the second image being an image of the observed area in a state where the sample is placed therein.Type: GrantFiled: December 6, 2010Date of Patent: May 14, 2013Assignee: Sony CorporationInventors: Junichi Sakagami, Nobuhiro Kihara
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Patent number: 8421422Abstract: A power supply device comprising: a magneto generator including a rotor including a magnet forming a magnetic field; a rectifying unit rectifying an alternating current of the generator to a direct current and supplying to an electrical load; a voltage detection unit detecting a voltage of the electrical load; an opening unit interrupting electrical conduction of an output of the generator; short-circuiting units electrically short-circuiting the output; a torque supplying device supplying torque to the rotor; a voltage control unit selectively performing one of opening-control of controlling on/off switching of the opening unit and short-circuit-control of controlling on/off switching of the short-circuiting units to control the voltage of the electrical load to a predetermined value in accordance with the voltage detected by the voltage detection unit; a switching control unit switching and controlling between the above two controls in accordance with an operating state regarding rotation of the rotor.Type: GrantFiled: May 6, 2010Date of Patent: April 16, 2013Assignee: Mitsubishi Eletric CorporationInventors: Naoki Itoi, Masayoshi Maeda, Nobuhiro Kihara, Kenji Ishi, Hiroshi Okuda, Fumito Uemura
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Patent number: 8415931Abstract: A power supply device includes: a rectifier having a full-wave rectification circuit whose low side elements are made of MOSFETs; an electrical load supplied with DC power from the rectifier; and a control circuit having a load voltage detector and an AC voltage detector for detecting an input terminal voltage from a permanent-magnet generator; wherein when a terminal voltage across the electrical load is lower than a predetermined value, the control circuit operates the rectifier in full-wave rectification mode, whereas when the terminal voltage across the electrical load is higher than the predetermined value, the control circuit short-circuits input terminals of the permanent-magnet generator with each other, and when power for driving the control circuit is not secured, the control circuit retains the full-wave rectification mode even if the terminal voltage across the electrical load is higher than the predetermined value.Type: GrantFiled: January 13, 2011Date of Patent: April 9, 2013Assignee: Mitsubishi Electric CorporationInventors: Nobuhiro Kihara, Masayoshi Maeda, Naoki Itoi, Hiroshi Okuda
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Patent number: 8415930Abstract: Provided is a power supply device including: a magneto generator (1), which includes: a rotor including a magnet forming a magnetic field; and a stator which generates an alternating current in stator windings by rotation of the rotor; a rectifying unit (3) which rectifies the alternating current generated by the magneto generator to a direct current; a variable transformation-ratio direct current voltage transformer (40) which transforms an output voltage of the direct current of the rectifying unit to a voltage between input terminals of an electrical load (2) to which electric power is supplied; and a voltage control unit (5) which controls a transformation ratio of the variable transformation-ratio direct current voltage transformer in accordance with at least one of an operating state signal regarding the rotation of the rotor of the magneto generator and an electrical load state signal of the electrical load.Type: GrantFiled: May 3, 2010Date of Patent: April 9, 2013Assignee: Mitsubishi Electric CorporationInventors: Nobuhiro Kihara, Masayoshi Maeda, Shinji Kawaguchi, Hiroshi Okuda, Fumito Uemura, Takahiro Urakabe, Masaya Inoue, Naoki Itoi, Kenji Ishi
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Publication number: 20130064707Abstract: A modeling apparatus includes a box holding mechanism, a box, a supply mechanism, and an elevation mechanism. The box includes a main body and a stage movably provided to the main body. The box is capable of accommodating powder and detachably provided to the box holding mechanism. The supply mechanism is configured to selectively supply liquid that bonds the powder together to a modeling enabled area inside the box. The elevation mechanism is configured to cause the stage to ascend and descend in the main body relative to the main body.Type: ApplicationFiled: September 5, 2012Publication date: March 14, 2013Applicant: SONY CORPORATIONInventors: Takeshi Matsui, Hiroaki Morikawa, Kazuo Niizaka, Junichi Kuzusako, Nobuhiro Kihara
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Publication number: 20130057057Abstract: In the case where the rotation speeds of respective magneto alternating current (AC) generators of a plurality of power source apparatuses (10, 20, and 30) are approximately the same rotation speed and the total electric power generation demand is the same as or smaller than the maximum total generated electric power of the plurality of power source apparatuses (10, 20, and 30), the integrated control unit (6) for integrally controlling the plurality of power source apparatuses (10, 20, and 30) selects at least one of the plurality of the power source apparatuses (10, 20, and 30) and controls a voltage control unit (5) of the selected power source apparatus in such a way that the selected power source apparatus generates maximum generated electric power thereof, at the rotation speed, that is the same as or smaller than the total electric power generation demand.Type: ApplicationFiled: January 25, 2012Publication date: March 7, 2013Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Fumito UEMURA, Nobuhiro KIHARA
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Publication number: 20130050952Abstract: An electrical equipment casing includes a circuit board on which many electrical parts are mounted and a heat sink to which the circuit board is fixed. The heat sink is provided with a reactor housing dent that opens in a surface on which the circuit board is placed and radiator fins that reach a bottom portion of the reactor housing dent on a surface opposite to the surface on which the circuit board is placed at a position surrounding an outer circumference of the reactor housing dent. The reactor is housed in the reactor housing dent and a terminal thereof is electrically connected to the circuit board. This structure of the electrical equipment casing can contribute to an achievement of both of a size reduction of the overall casing and enhanced heat dissipation of the reactor.Type: ApplicationFiled: January 12, 2012Publication date: February 28, 2013Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Mitsuo SONE, Nobuhiro KIHARA, Naoki ITOI, Fumito UEMURA
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Publication number: 20130051100Abstract: A power supply device includes a failure determination means that detects, based on a current detected by a current detector, a failure of the switching elements of each of the chopper sections, and the failure determination means obtains values of the current detected by the current detector at the timing of falling edges of control signals to the switching elements of each of the chopper sections, determines the failure when the obtained current values differ from each other, and transmits a failure signal to a generation control means. When receiving the failure signal, the generation control means limits an output current from a generator in a way such that the withstanding current of a non-failed chopper section out of the chopper sections of the phases is not exceeded.Type: ApplicationFiled: January 12, 2012Publication date: February 28, 2013Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Toru DAIGO, Nobuhiro KIHARA, Naoki ITOI, Mitsuo SONE