Patents by Inventor Takafumi Fukushima
Takafumi Fukushima 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: 20240121345Abstract: An image forming device includes a central processing unit (CPU).Type: ApplicationFiled: February 7, 2022Publication date: April 11, 2024Inventors: Tatsuo FUKUSHIMA, Yuji ONOZAWA, Takafumi HARUTA, Yohei MAKINO
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Publication number: 20240086058Abstract: An information processing device includes a processor, in which the processor causes an operation part for executing a predetermined function and relevant information related to the predetermined function to be displayed on a screen of a display, accepts execution of the predetermined function by a continuous operation on the operation part, and changes a portion of the relevant information to be displayed on the screen according to progress of the continuous operation on the operation part during a period from the start of the operation on the operation part to the acceptance of the execution.Type: ApplicationFiled: January 31, 2022Publication date: March 14, 2024Inventors: Tatsuo FUKUSHIMA, Yuji ONOZAWA, Takafumi HARUTA, Yohei MAKINO
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Patent number: 11837679Abstract: A display device includes a substrate including a first surface, and a second surface positioned at a side opposite to the first surface; a first light-emitting element located at a lateral side of the substrate; a plurality of light-receiving elements located at a second surface side of the substrate; a plurality of second light-emitting elements located on the first surface of the substrate; and a first drive element controlling driving of the second light-emitting elements based on output of the light-receiving elements. A light-emitting surface of the first light-emitting element is oriented in a first direction. The first direction is parallel to a direction from the first surface toward the second surface. Light-emitting surfaces of the second light-emitting elements are oriented in a second direction. The second direction is from the second surface toward the first surface.Type: GrantFiled: October 28, 2021Date of Patent: December 5, 2023Assignees: TOHOKU UNIVERSITY, NICHIA CORPORATIONInventors: Tetsu Tanaka, Takafumi Fukushima, Hisashi Kino, Masatsugu Ichikawa
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Patent number: 11728990Abstract: A control apparatus includes a first interface for communicating with a first device over a local area network and a second interface for communicating with a second device over a wide area network. A processor is configured to perform an authentication operation on first device after connection to the first interface. The processor receives a first data transmission addressed to the second device from the first device, and then controls the second interface to permit the first data transmission to be transmitted to the second device over the wide area network when the first device has been authenticated. The second interface is controlled to prevent the first data transmission from being transmitted to the second device when the first device has not been authenticated.Type: GrantFiled: September 3, 2021Date of Patent: August 15, 2023Assignee: Toshiba Tec Kabushiki KaishaInventor: Takafumi Fukushima
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Patent number: 11538764Abstract: A flexible device includes: (1) a flexible substrate; and (2) an interconnect disposed over the flexible substrate, wherein the interconnect has a varying vertical displacement along its length, relative to a top surface of the flexible substrate.Type: GrantFiled: January 30, 2019Date of Patent: December 27, 2022Assignee: The Regents of the University of CaliforniaInventors: Subramanian S. Iyer, Arsalan Alam, Amir Hanna, Takafumi Fukushima
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Publication number: 20220140174Abstract: A display device includes a substrate including a first surface, and a second surface positioned at a side opposite to the first surface; a first light-emitting element located at a lateral side of the substrate; a plurality of light-receiving elements located at a second surface side of the substrate; a plurality of second light-emitting elements located on the first surface of the substrate; and a first drive element controlling driving of the second light-emitting elements based on output of the light-receiving elements. A light-emitting surface of the first light-emitting element is oriented in a first direction. The first direction is parallel to a direction from the first surface toward the second surface. Light-emitting surfaces of the second light-emitting elements are oriented in a second direction. The second direction is from the second surface toward the first surface.Type: ApplicationFiled: October 28, 2021Publication date: May 5, 2022Applicants: TOHOKU UNIVERSITY, NICHIA CORPORATIONInventors: Tetsu TANAKA, Takafumi FUKUSHIMA, Hisashi KINO, Masatsugu ICHIKAWA
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Publication number: 20210399891Abstract: A control apparatus includes a first interface for communicating with a first device over a local area network and a second interface for communicating with a second device over a wide area network. A processor is configured to perform an authentication operation on first device after connection to the first interface. The processor receives a first data transmission addressed to the second device from the first device, and then controls the second interface to permit the first data transmission to be transmitted to the second device over the wide area network when the first device has been authenticated. The second interface is controlled to prevent the first data transmission from being transmitted to the second device when the first device has not been authenticated.Type: ApplicationFiled: September 3, 2021Publication date: December 23, 2021Inventor: Takafumi FUKUSHIMA
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Patent number: 11139974Abstract: A control apparatus includes a first interface for communicating with a first device over a local area network and a second interface for communicating with a second device over a wide area network. A processor is configured to perform an authentication operation on first device after connection to the first interface. The processor receives a first data transmission addressed to the second device from the first device, and then controls the second interface to permit the first data transmission to be transmitted to the second device over the wide area network when the first device has been authenticated. The second interface is controlled to prevent the first data transmission from being transmitted to the second device when the first device has not been authenticated.Type: GrantFiled: August 22, 2018Date of Patent: October 5, 2021Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventor: Takafumi Fukushima
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Patent number: 11011964Abstract: A cage induction motor includes a rotor core that is rotatable about a central axis, and a shaft to which the rotor core is fixed. The rotor core includes an annular yoke and a plurality of spokes. The yoke supports at least one conductor. The plurality of spokes are arranged apart from one another in a circumferential direction of the yoke, are provided between the yoke and the shaft, and support the yoke.Type: GrantFiled: May 19, 2017Date of Patent: May 18, 2021Assignees: CENTRAL JAPAN RAILWAY COMPANY, Toshiba Infrastructure Systems & Solutions CorporationInventors: Kenji Sato, Takafumi Fukushima, Daisuke Misu, Makoto Matsushita, Toshio Hasebe
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Publication number: 20210074648Abstract: A flexible device includes: (1) a flexible substrate; and (2) an interconnect disposed over the flexible substrate, wherein the interconnect has a varying vertical displacement along its length, relative to a top surface of the flexible substrate.Type: ApplicationFiled: January 30, 2019Publication date: March 11, 2021Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Subramanian S. IYER, Arsalan ALAM, Amir HANNA, Takafumi FUKUSHIMA
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Patent number: 10930601Abstract: A fan-out wafer level package includes: (1) a flexible substrate; (2) a semiconductor component embedded in the flexible substrate, the semiconductor component including an active surface that is exposed from the flexible substrate, the semiconductor component including a bonding pad adjacent to the active surface; (3) a stress buffer layer disposed over the flexible substrate and the semiconductor component, the stress buffer layer defining an opening exposing the bonding pad of the semiconductor component; and (4) an interconnect disposed over the stress buffer layer and including a portion extending into the opening of the stress buffer layer to electrically connect to the bonding pad of the semiconductor component.Type: GrantFiled: October 30, 2017Date of Patent: February 23, 2021Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Subramanian S. Iyer, Takafumi Fukushima, Adeel A. Bajwa
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Patent number: 10780859Abstract: A passenger seat airbag includes a passenger side wall for catching a passenger, and a circumferential wall that extends forward from the passenger side wall in a converging fashion. The circumferential wall includes an upper wall, a lower wall, a left wall and a right wall, and can be mounted on a housing by the front end. An inlet port for introducing inflation gas is disposed at a front end region of the lower side wall, at a position displaced to the right from the center in a left and right direction of the passenger side wall. In the front end region of the circumferential wall, with respect to a substantial circumferential length which permits free expansion, a left circumferential wall region disposed on the left of the inlet port and a right circumferential wall region disposed on the right of the inlet port have equal substantial circumferential lengths.Type: GrantFiled: September 21, 2018Date of Patent: September 22, 2020Assignees: TOYODA GOSEI CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shinichi Ishida, Takafumi Fukushima, Wataru Miura, Hisamitsu Tatsunami, Kazuki Kusuhara
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Patent number: 10666130Abstract: According to one embodiment, an electric power conversion system includes a convertor, a detector, a delay controller, and a determinator. The detector is configured to detect information related to a voltage of electric power converted by the converter. The delay controller is configured to delay a conversion operation start of the converter by a first predetermined time with respect to a supply start time at which supply of the electric power is started. The determinator is configured to perform a first determination on the basis of a detection result detected by the detector before elapse of the first predetermined time from the supply start tune, and to perform a second determination on the basis of a detection result detected by the detector after the elapse of the first predetermined time from the supply start time.Type: GrantFiled: September 11, 2018Date of Patent: May 26, 2020Assignees: CENTRAL JAPAN RAILWAY COMPANY, Toshiba Infrastructure Systems & Solutions CorporationInventors: Kenji Sato, Hirokazu Kato, Takafumi Fukushima, Hiroaki Otani, Tomoyuki Makino, Toshiyuki Uchida, Manato Mori
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Patent number: 10625758Abstract: A voltage estimating device for a power supply line according to one aspect of the present disclosure includes a voltage detector, a current detector, a voltage calculator. The voltage calculator calculates a magnitude of alternating primary voltage that a primary winding in a transformer receives from a power supply line based on a magnitude of tertiary voltage in the transformer detected by the voltage detector, a magnitude of output current in the transformer detected by the current detector, and correlation information. The correlation information indicates a correlation between a voltage ratio and the magnitude of the output current, and the voltage ratio represents a ratio of the magnitude of the primary voltage to the magnitude of the tertiary voltage.Type: GrantFiled: January 30, 2018Date of Patent: April 21, 2020Assignee: CENTRAL JAPAN RAILWAY COMPANYInventors: Kenji Sato, Takafumi Fukushima, Norihiro Suyama
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Patent number: 10611245Abstract: A power conversion system includes a transformer, a power conversion device for travel, a power conversion device for auxiliary power sources, an electrical storage device, and an auxiliary device. The power conversion device for travel converts AC power into power for travel and supplies it to a travel motor. The power conversion device for auxiliary power sources includes an AC to DC conversion unit which converts AC power into DC power, a power conversion unit for AC loads which converts the DC power into AC power and supplies it to an AC load, and a power conversion unit for DC loads which converts DC power to DC power and supplies it to a DC load. The electrical storage device is connected to power lines connecting DC power output terminals of the AC to DC conversion unit and DC power input terminals of both the power conversion units for AC and DC loads.Type: GrantFiled: June 15, 2017Date of Patent: April 7, 2020Assignees: CENTRAL JAPAN RAILWAY COMPANY, TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORPORATIONInventors: Takafumi Fukushima, Noriyuki Taniyama, Shigekazu Okada, Kotaro Oda, Hiroaki Otani, Yasuomi Maki, Kenichi Kikkawa, Tsunehito Fujita, Manato Mori
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Patent number: 10553455Abstract: A liquid is supplied to a substrate and a chip component is arranged on the liquid. The substrate includes a first surface in which a rectangular mounting region is formed. The chip component includes a second surface having a rectangular shape which substantially coincides with the shape of the mounting region, and has an area substantially equal to that of the mounting region. The mounting region includes first and second regions. Wettability of the first region with respect to the liquid is higher than that of the second region with respect to the liquid. The first region is provided symmetrically with respect to a first central line passing through the middle of a pair of long sides and a second central line passing through the middle of a pair of short sides in the mounting region, and includes rectangular partial regions. The liquid is supplied to the first region.Type: GrantFiled: March 3, 2017Date of Patent: February 4, 2020Assignees: TOKYO ELECTRON LIMITED, TOHOKU UNIVERSITYInventors: Shinya Kikuta, Satohiko Hoshino, Takafumi Fukushima, Mitsumasa Koyanagi, Kangwook Lee
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Patent number: 10538162Abstract: A power conversion system includes an AC to DC conversion circuit, a voltage detector, a step-down chopper circuit, a power conversion device for auxiliary power sources, and a control unit. The AC to DC conversion circuit converts AC power supplied from overhead wires via a transformer into DC power. The voltage detector detects a voltage of AC power supplied from the transformer. The step-down chopper circuit steps down the voltage of DC power produced through conversion by the AC to DC conversion circuit. The power conversion device for auxiliary power sources converts the DC power stepped down by the step-down chopper circuit into power for driving loads mounted in an electric vehicle and supplies it to the loads. The control unit controls the AC to DC conversion circuit and the step-down chopper circuit such that the voltage of AC power detected by the voltage detector approaches a reference voltage.Type: GrantFiled: June 15, 2017Date of Patent: January 21, 2020Assignees: CENTRAL JAPAN RAILWAY COMPANY, Toshiba Infrastructure Systems & Solutions CorporationInventors: Takafumi Fukushima, Shigekazu Okada, Kotaro Oda, Yasuomi Maki, Tsunehito Fujita, Hiroaki Otani, Kenichi Kikkawa, Manato Mori
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Patent number: 10525838Abstract: A power conversion system includes a transformer, a power conversion device for travel, a power conversion device for auxiliary power sources, and an electrical storage device. The power conversion device for auxiliary power sources includes a first AC to DC conversion unit, a power conversion unit for AC loads, and a power conversion unit for DC loads. The power conversion unit for AC loads converts DC power into AC power and supplies it to an AC load. The power conversion unit for DC loads converts DC power produced through conversion by the first AC to DC conversion unit into DC power and supplies it to a DC load. The electrical storage device is connected to power lines connecting DC power output terminals of the first AC to DC conversion unit and DC power input terminals of both the power conversion units for AC and DC loads.Type: GrantFiled: June 15, 2017Date of Patent: January 7, 2020Assignees: CENTRAL JAPAN RAILWAY COMPANY, Toshiba Infrastructure Systems & Solutions CorporationInventors: Kenji Sato, Masayuki Ueno, Takafumi Fukushima, Shigekazu Okada, Kotaro Oda, Hiroaki Otani, Yasuomi Maki, Kenichi Kikkawa, Tsunehito Fujita, Manato Mori
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Patent number: 10483240Abstract: A semiconductor device includes a metal column that extends in a stretching direction; a polymer layer that surrounds the metal column from a direction crossing the stretching direction; and a guide that surrounds the polymer layer in the crossing direction so as to be spaced from the metal column with the polymer layer interposed therebetween. A method for manufacturing semiconductor devices includes a step of filling a mixture containing metal particles and polymers in a guide; and a step of subjecting the mixture to a heat treatment so that the polymers agglomerate to the guide to form a polymer layer that makes contact with the guide and the metal particles agglomerate away from the guide with the polymer layer interposed therebetween to form a metal column that stretches in a stretching direction of the guide from the metal particles.Type: GrantFiled: April 10, 2018Date of Patent: November 19, 2019Assignees: TOHOKU UNIVERSITY, TOSHIBA MEMORY CORPORATIONInventors: Mitsumasa Koyanagi, Tetsu Tanaka, Takafumi Fukushima, Kang-Wook Lee
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Publication number: 20190288588Abstract: A cage induction motor includes a rotor core that is rotatable about a central axis, and a shaft to which the rotor core is fixed. The rotor core includes an annular yoke and a plurality of spokes. The yoke supports at least one conductor. The plurality of spokes are arranged apart from one another in a circumferential direction of the yoke, are provided between the yoke and the shaft, and support the yoke.Type: ApplicationFiled: May 19, 2017Publication date: September 19, 2019Applicants: CENTRAL JAPAN RAILWAY COMPANY, Toshiba Infrastructure Systems & Solutions CorporationInventors: Kenji SATO, Takafumi FUKUSHIMA, Daisuke MISU, Makoto MATSUSHITA, Toshio HASEBE