Patents by Inventor Tomohiro Tanaka
Tomohiro Tanaka 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: 20240250845Abstract: A vehicle-mounted control device to be mounted in a vehicle, includes: an acquisition unit configured to acquire calculation information to be used to calculate a setting change timing of a vehicle-mounted network from an electronic device in the vehicle-mounted network; a calculation unit configured to calculate the setting change timing based on the calculation information acquired by the acquisition unit; and a control unit configured to perform processing for executing a setting change of the vehicle-mounted network at the setting change timing calculated by the calculation unit, wherein the calculation information includes at least one of a topology of the vehicle-mounted network, a service of a system to which the electronic device belongs, a travel state of the vehicle, and a power supply state of the vehicle.Type: ApplicationFiled: June 6, 2022Publication date: July 25, 2024Inventors: Yoshitaka KIKUCHI, Takeshi HAGIHARA, Hirofumi URAYAMA, Darmawan GO, Tomohiro OTSU, Hideyuki TANAKA, Tatsuya IZUMI, Yusuke YAMAMOTO
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Publication number: 20240246629Abstract: A bicycle component is basically provided with a wireless communication circuit, a user interface and a controller. The wireless communication circuit is configured to wirelessly communicate with a first additional bicycle component in a first pairing state where a first pairing between the bicycle component and the first additional bicycle component is established. The user interface is configured to accept a user input. The controller is electrically connected to the wireless communication circuit and the user interface. The controller is configured to perform a reset operation to reset the first pairing in response to the user input being provided to the user interface.Type: ApplicationFiled: January 16, 2024Publication date: July 25, 2024Inventors: Akihiro NOZAKI, Tomohiro TAKIMOTO, Katsuhiro TACHIBANA, Naoki FUJIMOTO, Kentaro TANAKA
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Patent number: 12003103Abstract: A DC power feeding device includes a power feed line connected to a DC load, a first DC/DC converter provided between a solar battery and the power feed line, and a second DC/DC converter provided between a battery and the power feed line. A first controller controls the first DC/DC converter such that maximum power tracking control of the solar battery is performed in a normal state of a commercial AC power source. The first controller controls the first DC/DC converter such that the solar battery outputs a power smaller than a load power in a power failure. A second controller controls the second DC/DC converter such that the battery is charged in the normal state of the commercial AC power source. The second controller controls the second DC/DC converter such that DC voltage on the power feed line attains a reference voltage in the power failure.Type: GrantFiled: March 22, 2022Date of Patent: June 4, 2024Assignee: TMEIC CorporationInventor: Tomohiro Tanaka
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Patent number: 12002486Abstract: A tag estimation device capable of estimating, for an utterance made among several persons, a tag representing a result of analyzing the utterance is provided. The tag estimation device includes an utterance sequence information vector generation unit that adds a t-th utterance word feature vector and a t-th speaker vector to a (t?1)-th utterance sequence information vector ut-1 that includes an utterance word feature vector that precedes the t-th utterance word feature vector and a speaker vector that precedes the t-th speaker vector to generate a t-th utterance sequence information vector ut, where t is a natural number, and a tagging unit that determines a tag lt that represents a result of analyzing a t-th utterance from a model parameter set in advance and the t-th utterance sequence information vector ut.Type: GrantFiled: September 13, 2019Date of Patent: June 4, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Ryo Masumura, Tomohiro Tanaka
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Publication number: 20240171000Abstract: This uninterruptible power supply includes a switch that is turned off while an AC power supply is normal and turned on during power failure, a converter that converts AC power supplied from the AC power supply into DC power to supply resultant DC power to a DC link portion while the AC power supply is normal, and that supplies DC power supplied from a battery through the switch to the DC link portion during power failure, an inverter that converts DC power from the DC link portion into AC power to supply resultant AC power to a load, and a chopper circuit that allows DC power from the DC link portion to be stored in the battery while the AC power supply is normal.Type: ApplicationFiled: March 8, 2021Publication date: May 23, 2024Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATIONInventors: Ryoji TSURUTA, Tomohiro TANAKA, Hiroshi MASUNAGA
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Publication number: 20240083418Abstract: A collision avoidance support device that is applied to a vehicle equipped with clutch-type front and rear stabilizers controlled in coupled and uncoupled states and an automatic steering device, and comprises a control unit that is configured to, when it is determined that a collision with an obstacle in front of the vehicle needs to be avoided, calculate a target control amount for causing the vehicle to run along a target trajectory for avoiding the collision and control the automatic steering device based on the target control amount, and the control unit is further configured to, when it is determined that a collision needs to be avoided in a situation in which at least one of the stabilizers is in the uncoupled state, calculate a target control amount for causing the vehicle to run along the target trajectory based on a steer characteristic of the vehicle at that time.Type: ApplicationFiled: August 31, 2023Publication date: March 14, 2024Inventor: Tomohiro TANAKA
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Patent number: 11929689Abstract: A power conversion device includes: a dead time application unit which applies a dead time to only one of a pair of pulse signals; a current polarity detection unit which detects a polarity of an output current; and a gate signal selection unit which, if the polarity of the output current is positive, selects the one pulse signal, to which the dead time has been applied, as a gate signal for a positive arm and selects the other pulse signal as a gate signal for a negative arm, and, if the polarity of the output current is negative, selects the one pulse signal, to which the dead time has been applied, as the gate signal for the negative arm and selects the other pulse signal as the gate signal for the positive arm.Type: GrantFiled: September 13, 2019Date of Patent: March 12, 2024Assignee: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATIONInventors: Ryoji Tsuruta, Hiroshi Masunaga, Tomohiro Tanaka
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Patent number: 11887620Abstract: The present invention improves the accuracy of language prediction. A history speech meta-information understanding unit 11 obtains a history speech meta-information vector from a word string of a preceding speech using a meta-information understanding device. A history speech embedding unit 12 converts the word string of the preceding speech and a speaker label into a history speech embedding vector. A speech unit combination vector construction unit 13 obtains a speech unit combination vector by combining the history speech meta-information vector and the history speech embedding vector. A speech sequence embedding vector calculation unit 14 converts a plurality of speech unit combination vectors obtained for the past speech sequences to a speech sequence embedding vector. A language model score calculation unit 15 calculates a language model score of a current speech from a word string of the current speech, a speaker label, and a speech sequence embedding vector.Type: GrantFiled: January 27, 2020Date of Patent: January 30, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Ryo Masumura, Tomohiro Tanaka, Takanobu Oba
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Patent number: 11845839Abstract: A film having a dielectric dissipation factor at a frequency of 1 kHz and 160° C. of 0.02% or lower and a dielectric breakdown strength at 160° C. of 400 V/?m or higher. Also disclosed is a film including at least one fluoropolymer selected from a tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer and a tetrafluoroethylene/hexafluoropropylene copolymer, the fluoropolymer having a crystallinity of 65% or higher.Type: GrantFiled: October 29, 2018Date of Patent: December 19, 2023Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Mayuko Tatemichi, Takeshi Hazama, Nobuyuki Komatsu, Tatsuya Higuchi, Kouji Yokotani, Akio Higaki, Tomohiro Tanaka
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Patent number: 11843327Abstract: A power conversion device includes: an inverter that includes a switching element and converts DC power into AC power; a current detector that detects an output current of the inverter; and a controller that controls the inverter to allow the output current detected by the current detector to follow a current command value having a sinusoidal waveform. The controller compares a current deviation of the output current from the current command value with a hysteresis band to control switching of the switching element. The controller sets the hysteresis band so that a hysteresis band in a zero-crossing area of the current command value is smaller than a hysteresis band in a peak area of the current command value.Type: GrantFiled: September 5, 2019Date of Patent: December 12, 2023Assignee: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATIONInventors: Nobuyuki Momochi, Tomohiro Tanaka
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Publication number: 20230388430Abstract: An image forming apparatus, having a medium storage, a medium conveyer, an image forming device, a user input interface, and a controller, is provided. The controller operates the image forming device and the medium conveyer to perform a first action to form an image composed of image data in an area on a sheet-formed medium from one side of the image in a lengthwise direction, which corresponds to the predetermined conveying direction. On a condition where the first action is aborted, the controller operates the image forming device and the medium conveyer to perform a second action to form an image composed of the image data in another area on the sheet-formed medium different from the area in which the image was formed in the first action until a time point instructed by input from a user accepted through the user input interface.Type: ApplicationFiled: April 27, 2023Publication date: November 30, 2023Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventor: Tomohiro TANAKA
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Publication number: 20230353841Abstract: A terminal of a viewer who views a live-stream includes one or more processors, and memory storing one or more computer programs configured to be executed by the one or more processors. The one or more computer programs includes instructions for: causing transition from a live-stream screen to a post-stream screen when a distributor of the live-stream ends the live-stream, the live-stream screen showing a video image generated by a terminal of the distributor, the post-stream screen showing a predetermined image; and accepting an instruction to use a gift from the viewer on the post-stream screen.Type: ApplicationFiled: October 11, 2022Publication date: November 2, 2023Inventor: Tomohiro TANAKA
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Publication number: 20230240283Abstract: A freezing apparatus includes a tube that stores a freezing target, an electric pipetter that is actuated for injection and discharge of a liquid into and from a tube and for movement of the tube, and a liquid nitrogen tank that stores refrigerant for freezing the freezing target. The tube has, at a bottom thereof, an opening smaller in size than the freezing target. The electric pipetter discharges the liquid from the tube through the opening after the injection of the liquid into the tube, and moves the tube to the liquid nitrogen tank.Type: ApplicationFiled: December 21, 2022Publication date: August 3, 2023Inventors: Tomohiro TANAKA, Fumitoshi KOGA
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Publication number: 20230134153Abstract: A plurality of UPSs are connected in parallel between an AC power supply and a load. The UPSs each include a first switch connected between the AC power supply and an AC node. During the first power feeding mode, a control device turns on the first switch, and controls a power conversion device so as to receive AC power from the AC node and generate AC power. During a second power feeding mode, the control device turns off the first switch, and controls the power conversion device so as to receive DC power from a power storage device and generate AC power. When the AC power supply recovers during the second power feeding mode, the control device successively switches the plurality of UPSs to the first power feeding mode by successively turning on a plurality of the first switches each of which corresponds to each of the plurality of UPSs.Type: ApplicationFiled: July 3, 2020Publication date: May 4, 2023Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATIONInventors: Yuki YAMASHITA, Tomohiro TANAKA
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Publication number: 20220385066Abstract: A DC power feeding device includes a power feed line connected to a DC load, a first DC/DC converter provided between a solar battery and the power feed line, and a second DC/DC converter provided between a battery and the power feed line. A first controller controls the first DC/DC converter such that maximum power tracking control of the solar battery is performed in a normal state of a commercial AC power source. The first controller controls the first DC/DC converter such that the solar battery outputs a power smaller than a load power in a power failure. A second controller controls the second DC/DC converter such that the battery is charged in the normal state of the commercial AC power source. The second controller controls the second DC/DC converter such that DC voltage on the power feed line attains a reference voltage in the power failure.Type: ApplicationFiled: March 22, 2022Publication date: December 1, 2022Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATIONInventor: Tomohiro TANAKA
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Patent number: 11474490Abstract: An air condition control device includes a calculating circuitry to calculate a control influence degree, intended for controlling air condition changing devices, at each of control points in a room space on the basis of positional information that indicates a position where each of the air condition changing devices is located, influence degree information that indicates an influence degree of an air condition exerted on each of locations by each of the air condition changing devices, and running condition information that indicates a running condition of each of the air condition changing devices. The control influence degree is an influence degree of an air condition exerted by the air condition changing devices. The air condition control device also includes a controlling circuit to control the air condition changing devices to increase the control influence degree at a control point, which is relatively low.Type: GrantFiled: March 1, 2019Date of Patent: October 18, 2022Assignee: Mitsubishi Electric CorporationInventor: Tomohiro Tanaka
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Publication number: 20220316569Abstract: A fluid coupling includes a cover, an impeller, a turbine, an output hub, a lock-up piston, and a wall member. The impeller is fixed to the cover. The turbine is disposed opposite to the impeller. The output hub outputs a torque transmitted thereto from the turbine. The lock-up piston is disposed between the cover and the turbine. The lock-up piston is disposed to be axially slidable on the output hub. The lock-up piston is configured to be engaged by friction with the cover. The wall member is attached to the output hub. The wall member defines a hydraulic chamber in cooperation with the lock-up piston.Type: ApplicationFiled: March 1, 2022Publication date: October 6, 2022Inventors: Kouzou Mori, Keisuke Kishihara, Tomohiro Tanaka, Shota Fukui
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Publication number: 20220286062Abstract: A power conversion device includes: a dead time application unit which applies a dead time to only one of a pair of pulse signals; a current polarity detection unit which detects a polarity of an output current; and a gate signal selection unit which, if the polarity of the output current is positive, selects the one pulse signal, to which the dead time has been applied, as a gate signal for a positive arm and selects the other pulse signal as a gate signal for a negative arm, and, if the polarity of the output current is negative, selects the one pulse signal, to which the dead time has been applied, as the gate signal for the negative arm and selects the other pulse signal as the gate signal for the positive arm.Type: ApplicationFiled: September 13, 2019Publication date: September 8, 2022Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATIONInventors: Ryoji TSURUTA, Hiroshi MASUNAGA, Tomohiro TANAKA
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Patent number: 11380301Abstract: A learning apparatus comprises a learning part that learns an error correction model by a set of a speech recognition result candidate and a correct text of speech recognition for given audio data, wherein the speech recognition result candidate includes a speech recognition result candidate which is different from the correct text, and the error correction model is a model that receives a word sequence of the speech recognition result candidate as input and outputs an error correction score indicating likelihood of the word sequence of the speech recognition result candidate in consideration of a speech recognition error.Type: GrantFiled: February 18, 2019Date of Patent: July 5, 2022Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Tomohiro Tanaka, Ryo Masumura
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Publication number: 20220139374Abstract: Provided a speech recognition device capable of implementing end-to-end speech. recognition considering a context.Type: ApplicationFiled: January 27, 2020Publication date: May 5, 2022Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Ryo MASUMURA, Tomohiro TANAKA, Takanobu OBA