Patents by Inventor Kei Sakanoue
Kei Sakanoue 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: 11097619Abstract: A current collector monitoring system in one aspect of the present disclosure is provided with: a collected current measurement unit; a collected current state determination unit; an image acquisition unit; an event recognition unit; an event determination unit; and a determination result output unit. When a state of collected current corresponds to an abnormal state, the image acquisition unit acquires an image including, within an angle of view, a collector shoe provided to a current collector.Type: GrantFiled: August 2, 2016Date of Patent: August 24, 2021Assignee: CENTRAL JAPAN RAILWAY COMPANYInventors: Kei Sakanoue, Isao Naruse, Kotaro Nakamura, Masayuki Ueno, Noriyuki Taniyama, Shigekazu Okada
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Publication number: 20200189396Abstract: A collector shoe is provided. The collector shoe in one aspect of the present disclosure includes a shoe body, a sliding plate disposed on a top surface of the shoe body, and an electrically conductive member disposed on a front and/or rear side surface of the shoe body.Type: ApplicationFiled: August 2, 2016Publication date: June 18, 2020Applicant: Central Japan Railway CompanyInventors: Kei SAKANOUE, Isao NARUSE, Kotaro NAKAMURA, Kazuki TANAKA
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Patent number: 10343549Abstract: A railway vehicle having a plurality of electrical circuits is presented herein. The railway vehicle comprises an external power supply connection portion; a contactor of a normally closed type that opens and closes a common line connecting the plurality of electrical circuits to a ground, the contactor opening the common line by receiving supply of electric power through the external power supply connection portion and closing the common line when no current is applied; and an operation prohibition determining unit that determines whether supply of electric power to the plurality of electrical circuits is stopped and that prohibits the contactor from opening the common line when the supply of electric power is not stopped.Type: GrantFiled: July 1, 2015Date of Patent: July 9, 2019Assignee: CENTRAL JAPAN RAILWAY COMPANYInventors: Kei Sakanoue, Masashi Furuya, Hirokazu Kato, Shigekazu Okada
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Publication number: 20190160951Abstract: A current collector monitoring system in one aspect of the present disclosure is provided with: a collected current measurement unit; a collected current state determination unit; an image acquisition unit; an event recognition unit; an event determination unit; and a determination result output unit. When a state of collected current corresponds to an abnormal state, the image acquisition unit acquires an image including, within an angle of view, a collector shoe provided to a current collector.Type: ApplicationFiled: August 2, 2016Publication date: May 30, 2019Applicant: CENTRAL JAPAN RAILWAY COMPANYInventors: Kei Sakanoue, Isao Naruse, Kotaro Nakamura, Masayuki Ueno, Noriyuki Taniyama, Shigekazu Okada
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Patent number: 10005362Abstract: An electric vehicle control device includes: a plurality of motors capable of transmitting motive power to a wheel of an electric vehicle; an inverter that supplies electric power to drive the motors; and a controller that controls the inverter and compares, when the electric vehicle drives under a certain velocity condition, a q-axis voltage feedforward value VqFF and a q-axis voltage command value Vq* used for controlling driving of the motors, to detect an occurrence of miswire between the motors and the inverter when the following inequation is satisfied: VqFF?1.5·Vq*.Type: GrantFiled: December 15, 2014Date of Patent: June 26, 2018Assignees: Central Japan Railway Company, TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORPORATIONInventors: Hirokazu Kato, Hiroki Shimoyama, Kei Sakanoue, Toshiyuki Uchida, Tomoyuki Makino, Hiroaki Otani, Manato Mori
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Patent number: 9654031Abstract: A controlling apparatus includes a storage unit for storing, for each sampling period, a combination of a primary frequency of connected induction motors and the amplitude of a voltage command value, and a gradient detection unit for calculating a value corresponding to an increase in the amplitude of the voltage command value divided by an increase in the primary frequency, and for outputting a failure signal upon determining, when a result of the division is less than a predetermined reference value, that the plurality of induction motors include at least one induction motor having a phase sequence that includes incorrect wiring with respect to the power converter.Type: GrantFiled: June 8, 2016Date of Patent: May 16, 2017Assignees: CENTRAL JAPAN RAILWAY COMPANY, FUJI ELECTRIC CO., LTD.Inventors: Kei Sakanoue, Hirokazu Kato, Hiroki Shimoyama, Tomotaka Nishijima, Junichi Ishii, Yasushi Matsumoto, Toshie Kikuchi
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Publication number: 20170129362Abstract: The present invention of one aspect relates to a railway vehicle having a plurality of electrical circuits. The railway vehicle comprises: an external power supply connection portion; a contactor of a normally closed type that opens and closes a common line connecting the plurality of electrical circuits to a ground, the contractor opening the common line by receiving supply of electric power through the external power supply connection portion and closing the common line when no current is applied; and an operation prohibition determining unit that determines whether supply of electric power to the plurality of electrical circuits is stopped and that prohibits the contactor from opening the common line when the supply of electric power is not stopped.Type: ApplicationFiled: July 1, 2015Publication date: May 11, 2017Applicant: CENTRAL JAPAN RAILWAY COMPANYInventors: Kei SAKANOUE, Masashi FURUYA, Hirokazu KATO, Shigekazu OKADA
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Publication number: 20160339783Abstract: An electric vehicle control device includes: a plurality of motors capable of transmitting motive power to a wheel of an electric vehicle; an inverter that supplies electric power to drive the motors; and a controller that controls the inverter and compares, when the electric vehicle drives under a certain velocity condition, a q-axis voltage feedforward value VqFF and a q-axis voltage command value Vq* used for controlling driving of the motors, to detect an occurrence of miswire between the motors and the inverter when the following inequation is satisfied: VqFF?1.5·Vq*.Type: ApplicationFiled: December 15, 2014Publication date: November 24, 2016Applicants: Central Japan Railway Company, Kabushiki Kaisha ToshibaInventors: Hirokazu KATO, Hiroki SHIMOYAMA, Kei SAKANOUE, Toshiyuki UCHIDA, Tomoyuki MAKINO, Hiroaki OTANI, Manato MORI
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Publication number: 20160285395Abstract: A controlling apparatus includes a storage unit for storing, for each sampling period, a combination of a primary frequency of connected induction motors and the amplitude of a voltage command value, and a gradient detection unit for calculating a value corresponding to an increase in the amplitude of the voltage command value divided by an increase in the primary frequency, and for outputting a failure signal upon determining, when a result of the division is less than a predetermined reference value, that the plurality of induction motors include at least one induction motor having a phase sequence that includes incorrect wiring with respect to the power converter.Type: ApplicationFiled: June 8, 2016Publication date: September 29, 2016Applicants: CENTRAL JAPAN RAILWAY COMPANY, FUJI ELECTRIC CO., LTD.Inventors: Kei SAKANOUE, Hirokazu KATO, Hiroki SHIMOYAMA, Tomotaka NISHIJIMA, Junichi ISHII, Yasushi MATSUMOTO, Toshie KIKUCHI
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Patent number: 9380863Abstract: A folding table includes: a table body provided with a pair of hinge pins and a pair of lock pins, each of the pairs protruding oppositely in left-right direction; and a pair of left and right brackets having shaft holes in which the hinge pins are inserted and movable holes in which the lock pins are inserted. Spring members mounted in the movable holes press the lock pins. The table body is rotatably supported by the brackets affixed to a wall surface. The folding table has closing plates having through-holes respectively through which the hinge pins and the lock pins are penetrated. The closing plates are sandwiched between the table body and the brackets to close the movable holes.Type: GrantFiled: October 30, 2013Date of Patent: July 5, 2016Assignees: NIPPON SHARYO, LTD., CENTRAL JAPAN RAILWAY COMPANYInventors: Kei Sakanoue, Hajime Ito, Tadashi Fujii, Hiroaki Isogai, Kenichi Tanaka, Takehiro Ishigami, Toshihiro Suzuki
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Publication number: 20150282608Abstract: A folding table includes: a table body provided with a pair of hinge pins and a pair of lock pins, each of the pairs protruding oppositely in left-right direction; and a pair of left and right brackets having shaft holes in which the hinge pins are inserted and movable holes in which the lock pins are inserted. Spring members mounted in the movable holes press the lock pins. The table body is rotatably supported by the brackets affixed to a wall surface. The folding table has closing plates having through-holes respectively through which the hinge pins and the lock pins are penetrated. The closing plates are sandwiched between the table body and the brackets to close the movable holes.Type: ApplicationFiled: October 30, 2013Publication date: October 8, 2015Applicants: CENTRAL JAPAN RAILWAY COMPANY, NIPPON SHARYO, LTD.Inventors: Kei Sakanoue, Hajime Ito, Tadashi Fujii, Hiroaki Isogai, Kenichi Tanaka, Takehiro Ishigami, Toshihiro Suzuki
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Publication number: 20150141642Abstract: A light-emitting material containing a compound represented by the following general formula in a light-emitting layer has high light emission efficiency. In the following general formula, R1 to R10 represent a hydrogen atom or a substituent, provided that at least one of R1 to R10 represents an aryl group, a diarylamino group or a 9-carbazolyl group.Type: ApplicationFiled: March 15, 2013Publication date: May 21, 2015Applicant: KYUSHU UNIVERSITY NATIONAL UNIVERSITY CORPORATIONInventors: Chihaya Adachi, QiSheng Zhang, Kei Sakanoue, Shuzo Hirata
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Patent number: 9029843Abstract: An organic light-emitting element comprising: an anode; a cathode; banks; a functional layer between the anode and the cathode; and a hole injection layer between the anode and the functional layer. The functional layer includes one or more sublayers including a light-emitting sublayer defined by the banks and that contains an organic material. The hole injection layer comprises tungsten oxide, includes an occupied energy level that is approximately 1.8 electron volts to approximately 3.6 electron volts lower than a lowest energy level of a valence band of the hole injection layer in terms of a binding energy, has a surface facing the functional layer, and has a recessed structure such that a portion of the surface overlapping with the light-emitting sublayer is located closer to the anode than other portions. The recessed structure has a recessed portion whose inner surface is in contact with the functional layer.Type: GrantFiled: January 22, 2013Date of Patent: May 12, 2015Assignee: Joled Inc.Inventors: Kenji Harada, Seiji Nishiyama, Takahiro Komatsu, Takayuki Takeuchi, Satoru Ohuchi, Yoshiaki Tsukamoto, Shinya Fujimura, Kei Sakanoue
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Patent number: 9024053Abstract: A problem of the present invention is to prevent a base layer beneath the layer to be irradiated with light from deterioration in property and a functional thin film from deterioration in property as the fine patterning of a functional film is performed with light irradiation. Means for solving the problem is a compound obtained by dimerizing with light irradiation a compound (A) containing a group that has photosensitivity and can be photodimerized and a group having lyophilicity and a compound (B) containing a group that has photosensitivity and can be photodimerized and a group having liquid-repellency.Type: GrantFiled: November 18, 2010Date of Patent: May 5, 2015Assignees: Joled Inc., Sumitomo Chemical Company, LimitedInventors: Seiji Shinkai, Shuichi Haraguchi, Tomohiro Shiraki, Masashi Ogawa, Shuhei Nakatani, Kei Sakanoue, Osamu Goto, Hidenobu Kakimoto
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Patent number: 9012896Abstract: In an organic EL element, a bank is formed on a hole injection layer so as to surround light-emitting layer. The hole injection layer is formed with a tungsten oxide thin film, and has, in an electronic state thereof, an occupied energy level 1.8 eV to 3.6 eV lower than the lowest energy level of a valence band of the hole injection layer. The hole injection layer has a recessed portion in an upper surface thereof. An inner surface of the recessed portion is in contact with a functional layer (light-emitting layer). the inner side surface of the recessed portion includes an upper edge that is one of aligned with part of a lower edge of the bank, the part being in contact with the functional layer, and in contact with a bottom surface of the bank.Type: GrantFiled: January 16, 2013Date of Patent: April 21, 2015Assignee: Panasonic CorporationInventors: Kenji Harada, Seiji Nishiyama, Takahiro Komatsu, Takayuki Takeuchi, Satoru Ohuchi, Yoshiaki Tsukamoto, Shinya Fujimura, Kei Sakanoue
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Patent number: 8999832Abstract: An organic electroluminescent (EL) element comprises: an anode; a cathode; a functional layer disposed between the anode and the cathode, and including a light-emitting layer containing an organic material; a hole injection layer disposed between the anode and the functional layer; and a bank that defines an area in which the light-emitting layer is to be formed, wherein the hole injection layer includes tungsten oxide and includes an occupied energy level that is approximately 1.8 electron volts to approximately 3.6 electron volts lower than a lowest energy level of a valence band of the hole injection layer in terms of a binding energy, the hole injection layer has a recess in an upper surface of the area defined by the bank, and an upper peripheral edge of the recess is covered with a part of the bank.Type: GrantFiled: January 11, 2013Date of Patent: April 7, 2015Assignee: Panasonic CorporationInventors: Seiji Nishiyama, Satoru Ohuchi, Takahiro Komatsu, Kei Sakanoue, Yoshiaki Tsukamoto, Shinya Fujimura
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Patent number: 8957236Abstract: The compounds represented by the following general formula have excellent properties as a charge transport material. In the formula, R1 to R3 represent a substituent, n1 and n2 indicate an integer of from 0 to 5, n3 indicates an integer of from 0 to 4, X represents a linking group of —O—, —S—, —SO2—, —CS—, —R4—, —C(R5)(R6)—, —PO(R7)—, —Si(R8)(R9)—, >PO—, >Si(R10)— or >Si<, m is an integer of from 2 to 4, R4 represents an aliphatic cyclic linking group, and R5 to R10 represent a hydrogen atom, an alkyl group, an aryl group, etc.Type: GrantFiled: June 22, 2012Date of Patent: February 17, 2015Assignee: Kyushu University National University CorporationInventors: Qisheng Zhang, Chihaya Adachi, Shigeyuki Matsunami, Kei Sakanoue
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Patent number: 8872164Abstract: An organic light-emitting element includes an anode, a functional layer, and a hole injection layer between the anode and the functional layer. The functional layer contains an organic material. The hole injection layer injects holes to the functional layer. The hole injection layer comprises tungsten oxide and includes an occupied energy level that is approximately 1.8 electron volts to approximately 3.6 electron volts lower than a lowest energy level of a valence band of the hole injection layer in terms of binding energy.Type: GrantFiled: November 17, 2011Date of Patent: October 28, 2014Assignee: Panasonic CorporationInventors: Satoru Ohuchi, Yoshiaki Tsukamoto, Takahiro Komatsu, Kei Sakanoue
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Patent number: 8847211Abstract: A problem of the present invention is to provide a device having good characteristics and long life, wherein a functional thin film is formed in a desired region by a coating method; a thin film transistor; a method for producing the device; and a method for producing the thin film transistor. This problem can be solved by a device comprising: a substrate, a first electrode formed on the substrate, a functional thin film formed above the first electrode, and a second electrode disposed above the functional thin film, characterized by further comprising, in a region surrounding the region where the functional thin film is formed, a film containing a compound in which a group containing fluorine and a ?-conjugated system are bound together by a cycloalkene structure or a cycloalkane structure.Type: GrantFiled: November 18, 2010Date of Patent: September 30, 2014Assignees: Panasonic Corporation, Sumitomo Chemical Company, LimitedInventors: Seiji Shinkai, Shuichi Haraguchi, Tomohiro Shiraki, Masashi Ogawa, Shuhei Nakatani, Kei Sakanoue, Osamu Goto, Hidenobu Kakimoto
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Patent number: RE47453Abstract: A chip-type light-emitting semiconductor device includes: a substrate 4; a blue LED 1 mounted on the substrate 4; and a luminescent layer 3 made of a mixture of yellow/yellowish phosphor particles 2 and a base material 13 (translucent resin). The yellow/yellowish phosphor particles 2 is a silicate phosphor which absorbs blue light emitted by the blue LED 1 to emit a fluorescence having a main emission peak in the wavelength range from 550 nm to 600 nm, inclusive, and which contains, as a main component, a compound expressed by the chemical formula: (Sr1-a1-b1-xBaa1Cab1Eux)2SiO4 (0?a1?0.3, 0?b1?0.8 and 0<x<1). The silicate phosphor particles disperse substantially evenly in the resin easily. As a result, excellent white light is obtained.Type: GrantFiled: July 5, 2016Date of Patent: June 25, 2019Assignee: Panasonic CorporationInventors: Toshihide Maeda, Shozo Oshio, Katsuaki Iwama, Hiromi Kitahara, Tadaaki Ikeda, Kei Sakanoue, Hidenori Kamei, Yasuyuki Hanada