Patents by Inventor Naoki Takahashi
Naoki Takahashi 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: 20250040193Abstract: A semiconductor device with a high on-state current is provided. A transistor included in the semiconductor device includes a first insulator; a first semiconductor layer over the first insulator; a second semiconductor layer including a channel formation region over the first semiconductor layer; a first conductor and a second conductor over the second semiconductor layer; a second insulator over the second semiconductor layer and between the first conductor and the second conductor; and a third conductor over the second insulator. In a cross-sectional view in a channel width direction of the transistor, the third conductor covers a side surface and a top surface of the second semiconductor layer. The second semiconductor layer has a higher permittivity than the first semiconductor layer.Type: ApplicationFiled: November 28, 2022Publication date: January 30, 2025Inventors: Shunpei YAMAZAKI, Hitoshi KUNITAKE, Satoru SAITO, Masahiro TAKAHASHI, Naoki OKUNO, Masashi OOTA
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Publication number: 20250035544Abstract: A gas analysis device includes a sample cell into which sample gas is introduced, a light source that irradiates the sample cell with light, a photodetector that detects light intensity of light which passes through the sample cell irradiated by the light source, a concentration calculation unit which calculates a concentration of a measurement target component contained in the sample gas based on light intensity outputted from the photodetector, and a light intensity output unit that outputs, comparably with a reference light intensity set in advance, a light intensity at calibration detected by the photodetector during calibration.Type: ApplicationFiled: October 3, 2022Publication date: January 30, 2025Applicant: HORIBA, LTD.Inventors: Naoki NAGURA, Yasushi KAWABUCHI, Daichi TAKAHASHI, Kenji HARA, Takayuki KIKUTA, Masaya YOSHIOKA, Kotaro NAKAMURA
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Publication number: 20250030358Abstract: A motor driver for driving a motor includes: a half-bridge output stage including a high-side transistor and a low-side transistor, the motor being connected to a connection terminal to which the high-side transistor and the low-side transistor are connected; and a control circuit configured to monitor a terminal voltage of the connection terminal. The control circuit is configured to turn off the high-side transistor and turn on the low-side transistor, and initiate a brake mode to stop the motor. In the brake mode, when the terminal voltage is lower than a first setting voltage, the control circuit is configured to connect the connection terminal to an electric potential capable of maintaining the motor in a stopped state with the high-side transistor and the low-side transistor turned off.Type: ApplicationFiled: July 18, 2024Publication date: January 23, 2025Inventor: Naoki TAKAHASHI
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Publication number: 20250020613Abstract: A gas analyzing apparatus includes: an ionization device that generates an ion flow of a sample gas; an analyzer that analyzes the ion flow supplied from the ionization device; a first ion path that non-linearly guides the ion flow from the ionization device to an inlet of the analyzer; and a blocking device for intermittently blocking and releasing, using an electric field or a magnetic field, the ion flow on at least part of a path of the ion flow through the first ion path to a mass filter of the analyzer. It is possible to perform measurement in a state where the ion flow is blocked and measurement in a state where the ion flow is not blocked.Type: ApplicationFiled: July 29, 2024Publication date: January 16, 2025Applicant: ATONARP INC.Inventor: Naoki TAKAHASHI
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Patent number: 12187995Abstract: A vessel manufacturing method includes placing a bag-shaped, film-based vessel on a placement stage with concave portions formed on the stage, introducing fluid into the vessel placed on the stage, and pressing the vessel which is placed on the stage, by a pressing member while heating at least one of the stage and the pressing member. A cell culture vessel is also provided which includes a first vessel wall as a bottom wall and a second vessel wall. The first vessel wall is formed of a flat film having gas permeability. The second vessel wall is disposed in contact with a peripheral edge portion of the first vessel wall, and has a bulge shape protruding relative to the first vessel wall. The first vessel wall is flat at its section other than a region where the first vessel wall is in contact with at least a charge/discharge port.Type: GrantFiled: June 13, 2022Date of Patent: January 7, 2025Assignee: TOYO SEIKAN GROUP HOLDINGS CO., LTD.Inventors: Ryo Suenaga, Satoshi Tanaka, Takahiko Totani, Naoki Takahashi
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Publication number: 20250006476Abstract: A gas analyzer apparatus includes: a sample chamber that is provided with a dielectric wall structure and into which a sample gas to be measured flows; a plasma generation mechanism for generating plasma inside the sample chamber, which has been depressurized, using an electric field and/or a magnetic field through the dielectric wall structure; a gas input apparatus configured to cause only the sample gas to flow from a process into the sample chamber; a first detector configured to detect components in the plasma by filtered ionized gas from the generated plasma; and a second detector configured to analyze light emission of ions in the plasma inside the sample chamber and output a second detection result that is to be synchronized with the first detection result of the first detector.Type: ApplicationFiled: October 19, 2022Publication date: January 2, 2025Applicant: ATONARP INC.Inventors: Hirofumi NAGAO, Shinichi MIKI, Naoki TAKAHASHI, Prakash Sreedhar MURTHY
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Patent number: 12179758Abstract: A vehicle control device, a vehicle control method, a vehicle motion control system, and a lane estimation device according to the present invention obtain first information on lane markings defining a lane in which a vehicle travels based on external information obtained from an external recognition unit, obtain second information on a curvature of the lane based on information on a road shape obtained from a road shape information acquisition unit, obtain third information on a behavior of the vehicle based on a physical quantity that is related to a motion state of the vehicle and obtained from a vehicle motion state detection unit, and estimate lane information including information on curvatures of the lane markings and information on relative positions of the vehicle with respect to the lane markings based on the first information, the second information, and the third information.Type: GrantFiled: June 4, 2020Date of Patent: December 31, 2024Assignee: Hitachi Astemo, Ltd.Inventors: Naoki Takahashi, Taku Takahama
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Patent number: 12184054Abstract: In order both to accommodate instantaneous current as well as overcurrent protection in accordance with the load, an overcurrent protection circuit has: a threshold value generation unit that, in accordance with a threshold value control signal, switches between setting an overcurrent detection threshold value to a first set value (? Iref) and a second set value (? Iset) lower than the first set value; an overcurrent detection unit that compares a sense signal in accordance with the current being monitored and the overcurrent detection value and generates an overcurrent protection signal; a reference value generation unit that generates a reference value (? Iset) in accordance with the seconds set value; a comparison unit that compares the sense signal and the reference value, and generates a comparison signal; and a threshold value control unit that monitors the comparison signal, and generates a threshold value control signal.Type: GrantFiled: October 11, 2023Date of Patent: December 31, 2024Assignee: Rohm Co., Ltd.Inventors: Toru Takuma, Naoki Takahashi, Shuntaro Takahashi
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Publication number: 20240400172Abstract: A marine vessel propulsion control system includes a simulated ship speed calculator which calculates a simulated ship speed by multiplying an engine rotational speed when the ship travels forward in a propeller co-rotating state and the power transmission mechanism continues the forward connection state by a scale conversion coefficient corresponding to a ship length, and which decreases the simulated ship speed based together with elapse of time. A shift controller, in a case where the simulated ship speed is not equal to or less than a predetermined simulated ship speed threshold when the operation part is changed from the forward position to the neutral position and is subsequently changed to the reverse position, switch the state of the power transmission mechanism from the disconnection state to the reverse connection state after waiting for the simulated ship speed to become equal to or less than the simulated ship speed threshold.Type: ApplicationFiled: May 31, 2024Publication date: December 5, 2024Applicant: SUZUKI MOTOR CORPORATIONInventors: Masahiro NAMBA, Naoki TAKAHASHI, Mamoru TAKABE
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Patent number: 12160227Abstract: For example, a semiconductor device includes a split-gate power transistor configured to have a plurality of channel regions controlled individually according to a plurality of gate control signals, a gate control circuit configured to generate the plurality of gate control signals, and an overcurrent protection circuit configured to turn off at least one of the plurality of channel regions when the output current passing through the power transistor exceeds a threshold voltage.Type: GrantFiled: December 8, 2021Date of Patent: December 3, 2024Assignee: Rohm Co., Ltd.Inventor: Naoki Takahashi
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Patent number: 12153017Abstract: There is provided a gas analyzer apparatus that analyzes inflowing sample gas. The gas analyzer apparatus includes a filter unit that filters the sample gas, a detector unit that detects the result of filtering, a housing that houses these elements, and a control unit that controls the respective potentials of these elements. The control unit includes a cleaning control unit that sets the respective potentials of the filter unit, the detector unit, and the housing to cleaning potentials that draws in, as plasma for cleaning purposes, process plasma from a source that supplies the sample gas or plasma generated by a plasma generation unit.Type: GrantFiled: March 30, 2022Date of Patent: November 26, 2024Assignee: ATONARP INC.Inventors: Naoki Takahashi, Prakash Sreedhar Murthy
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Patent number: 12148911Abstract: Provided are a heat transfer suppression sheet having an excellent heat transfer prevention effect and excellent retainability of inorganic particles and shape retainability at a high temperature, and a battery pack in which the heat transfer suppression sheet is interposed between battery cells. The heat transfer suppression sheet (10) includes inorganic particles (20), first inorganic fibers (30), and second inorganic fibers (31). An average fiber diameter of the first inorganic fibers (30) is larger than an average fiber diameter of the second inorganic fibers (31). The first inorganic fibers (30) have a linear shape or a needle shape, and the second inorganic fibers (31) have a dendritic shape or a crimped shape.Type: GrantFiled: July 5, 2021Date of Patent: November 19, 2024Assignee: IBIDEN CO., LTD.Inventors: Naoki Takahashi, Hisashi Ando
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Publication number: 20240367044Abstract: Computer-readable storage media are disclosed storing instructions, which when executed, cause a processor to: distribute, toward a terminal device of a viewer via a communication line, a first video including an animation of a first avatar of a distributor generated on the basis of motion data or the motion data; distribute, toward the terminal device of the viewer via the communication line, a second video related to a game generated on the basis of operation data by using a received web page; receive, from the terminal device of the viewer via the communication line, token data indicative of providing a token to the distributor from the viewer viewing the second video; and distribute, toward the terminal device of the viewer via the communication line, the second video including a game object set on the basis of the token data.Type: ApplicationFiled: July 19, 2024Publication date: November 7, 2024Applicant: GREE, INC.Inventors: Aya KURABUCHI, Yushi Takagi, Shuhei Asada, Yosuke Kanaya, Shigeki Nakamura, Takahiro Fukumoto, Kaoru Murakami, Naoki Takahashi, Kenta Sagara
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Publication number: 20240363622Abstract: A semiconductor device 100 has a power transistor N1 of vertical structure and a temperature detection element 10a configured to detect abnormal heat generation by the power transistor N1. The power transistor N1 includes a first electrode 208 formed on a first main surface side (front surface side) of a semiconductor substrate 200, a second electrode 209 formed on a second main surface side (rear surface side) of the semiconductor substrate 200, and pads 210a-210f positioned unevenly on the first electrode 208. The temperature detection element 10a is formed at a location of the highest heat generation by the power transistor N1, the location (near the pad 210b where it is easiest for current to be concentrated) being specified using the uneven positioning of the pads 210a-210f.Type: ApplicationFiled: July 10, 2024Publication date: October 31, 2024Inventor: Naoki Takahashi
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Patent number: 12132371Abstract: In a stator, a stator winding is provided in a stator core and includes phase windings. A neutral-point bus bar is connected to a coil end portion of the stator winding in a radial direction thereof. The coil end portion includes first and second end portions that are joined together. The first tip end portion extends in a fixed direction in the circumferential direction. The second tip end portion extends in a direction opposite the fixed direction in the circumferential direction. The neutral-point bus bar includes a main body portion extending in the circumferential direction and connection portions extending in the radial direction from the main body portion. The connection portions are respectively connected to the phase windings in a state in which the connection portions do not protrude further towards a side opposite the stator core than the main body portion in the axial direction is.Type: GrantFiled: May 31, 2022Date of Patent: October 29, 2024Assignees: DENSO CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN CORPORATIONInventors: Ken Takeda, Takashi Matsumoto, Takahito Nozawa, Junichi Sugawara, Naoki Takahashi
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Publication number: 20240347732Abstract: A binder composition for an electrochemical device positive electrode contains a polymer and an organic compound. The polymer includes a nitrile group-containing monomer unit and an alkylene structural unit. The organic compound includes not fewer than 2 and not more than 15 aromatic hydrocarbon monocycles and not fewer than 2 and not more than 15 sulfur atom-containing functional groups, on average, per one molecule.Type: ApplicationFiled: August 19, 2022Publication date: October 17, 2024Applicant: ZEON CORPORATIONInventors: Yukie ITO, Naoki TAKAHASHI
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Publication number: 20240339282Abstract: According to one embodiment, a cathode in which three electron guns are arranged in parallel with each other, each including a filament which emits electrons, a storage slot which stores the filament, and the three electron guns are constituted by a central electron gun which opposes the anode and electron guns, a central axis of the filament along a longitudinal direction at a center of the filament in a width direction thereof and a central axis of the storage slot along a longitudinal direction at a center of the storage slot in a width direction thereof, which coincide with each other, and a central axis of the focusing cup along a longitudinal direction at a center of the focusing cup in a width direction thereof that is displaced from the central axis of the filament.Type: ApplicationFiled: June 17, 2024Publication date: October 10, 2024Applicant: CANON ELECTRON TUBES & DEVICES CO., LTD.Inventor: Naoki TAKAHASHI
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Patent number: 12113221Abstract: A binder composition for a secondary battery positive electrode contains a specific polymer. The specific polymer includes a nitrile group-containing monomer unit and a linear alkylene structural unit having a carbon number of 4 or more. The pH of an extract of the specific polymer that is obtained by a specific method is 5.5 or higher.Type: GrantFiled: May 19, 2020Date of Patent: October 8, 2024Assignee: ZEON CORPORATIONInventors: Shinsuke Sugawara, Naoki Takahashi
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Patent number: 12113533Abstract: A semiconductor device includes first and second insulated-gate transistors in parallel with each other, a charger-discharger, and a gate voltage correction circuit. The charger-discharger can perform first control to charge both of the gates of the first and second transistors, second control to discharge both of the gates of the first and second transistors, and third control to charge one of the gates of the first and second transistors. The gate voltage correction circuit corrects the gate voltages of the first and second transistors to eliminate the difference between those voltages in at least one of the first control, the second control, and protection operation in which the first and second transistors are forcibly kept off.Type: GrantFiled: August 11, 2023Date of Patent: October 8, 2024Assignee: Rohm Co., Ltd.Inventor: Naoki Takahashi
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Publication number: 20240317205Abstract: A vehicle control device (10) that controls an electric motor (2) that drives a wheel (5) of the vehicle, the vehicle control device (10) includes: a first calculating unit (11) that calculates a first vehicle body velocity (VBreal) based on an angular velocity of the wheel (5); a second calculating unit (12) that calculates a second vehicle body velocity (VBref) based on an angular velocity of the electric motor (2) at a cycle shorter than a cycle of the first calculating unit (11); an estimating unit (13) that estimates an estimated vehicle body velocity according to a state of the vehicle (1), the estimated vehicle body velocity (VBctrl) being calculated by using the first vehicle body velocity (VBreal) and the second vehicle body velocity (VBref) in combination; and a controlling unit (16) that controls, based on the estimated vehicle body estimated by the estimating unit (13), the electric motor (2).Type: ApplicationFiled: August 1, 2022Publication date: September 26, 2024Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Ryota TAKAHASHI, Naoki TAKAHASHI, Shunsuke MATSUO, Yutaro OKAMURA, Ryosuke KOGA