Patents by Inventor Akito Takahashi
Akito 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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Patent number: 12003139Abstract: The rotating electric machine includes a stator having a stator winding and a rotor facing the stator in a radial direction. The rotor includes a carrier having a disk-shaped end plate section fixed to a rotating shaft and arranged coaxially with the rotating shaft, and an annular magnet unit arranged coaxially with the rotating shaft. The magnet has a cylindrical magnet holder whose one end in an axial direction is fixed to the end plate section, and a magnet fixed to a peripheral surface on a stator side in the radial direction in the magnet holder and having an alternating polarity in a circumferential direction. The magnet holder is made of a non-magnetic material. In the magnet, an orientation of an axis of easy magnetization on a q-axis is deviated from an orientation parallel to the q-axis.Type: GrantFiled: August 25, 2021Date of Patent: June 4, 2024Assignee: DENSO CORPORATIONInventors: Hiroyuki Tsuchiya, Shinji Koda, Yuki Takahashi, Kazuya Iwase, Akito Tamura
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Patent number: 11993215Abstract: A drive device includes: a control storage unit of a current value of a control signal indicating a drive state of each of loads; a drive unit of the switches according to the current value; an acquisition unit of a current drive state of each load; a determination storage unit of a transition determination value; and a determination unit that compares a correlated drive state of each load correlated with the current value with the transition determination value, and determines that the current value is abnormal when the correlated drive state and the transition determination value satisfy a predetermined corresponding relationship.Type: GrantFiled: August 27, 2021Date of Patent: May 28, 2024Assignee: DENSO CORPORATIONInventors: Yusuke Takahashi, Akito Ito, Kotaro Tanaka, Keisuke Atsumi
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Patent number: 11997114Abstract: A drive device includes: a receiving unit of a load control signal indicative of a drive state of each load; a control storage unit of the load control signal; a drive unit of the switches according to the load control signal; an acquisition unit of a current drive state of each load at a present time, or a current vehicle state; a determination storage unit of a transition determination value; and a determination unit that compares a correlated drive state of each load correlated with the load control signal with the transition determination value, and determines that the load control signal is abnormal when the correlated drive state and the transition determination value satisfy a predetermined corresponding relationship.Type: GrantFiled: August 27, 2021Date of Patent: May 28, 2024Assignee: DENSO CORPORATIONInventors: Akito Ito, Yusuke Takahashi, Kotaro Tanaka
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Patent number: 11990804Abstract: A rotating electric machine includes a field system having a magnet section and an armature having a multi-phase armature coil. The magnet section has easy axes of magnetization oriented to be more parallel to a d-axis at locations closer to the d-axis than at locations closer to a q-axis. The magnet section has an intrinsic coercive force higher than or equal to 400 [kA/m] and a residual flux density higher than or equal to 1.0 [T]. There are no inter-conductor members provided between electrical conductor sections of the armature coil. The armature coil includes a plurality of phase windings each of which is constituted of a plurality of partial windings. Each of the partial windings is formed of an electrical conductor that is multiply wound in the electrical conductor sections of the same phase. In each of the phase windings, the partial windings are connected in parallel with each other.Type: GrantFiled: August 24, 2021Date of Patent: May 21, 2024Assignee: DENSO CORPORATIONInventors: Akito Tamura, Yuki Takahashi, Atsushi Umeda
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Patent number: 11984600Abstract: Provided is a binder composition for an electrochemical device that has excellent viscosity stability and is capable of forming an electrode having excellent peel strength. The binder composition contains a polymer including a nitrile group-containing monomer unit, N-methyl-2-pyrrolidone, and a halogenated hydrocarbon. The content of the halogenated hydrocarbon is not less than 2 mass ppm and not more than 400 mass ppm relative to the content of the polymer.Type: GrantFiled: August 24, 2021Date of Patent: May 14, 2024Assignee: ZEON CORPORATIONInventors: Akito Nakai, Naoki Takahashi
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Patent number: 11949107Abstract: A binder composition for a secondary battery electrode contains a polymer that includes a nitrile group-containing monomer unit, an aromatic vinyl monomer unit, and a linear alkylene structural unit but does not include a hydrophilic group-containing monomer unit.Type: GrantFiled: December 12, 2019Date of Patent: April 2, 2024Assignee: ZEON CORPORATIONInventors: Akito Nakai, Naoki Takahashi, Tomoya Murase
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Publication number: 20240105391Abstract: A multilayer ceramic capacitor includes a multilayer body including dielectric layers and internal electrode layers alternately laminated therein, base electrode layers respectively provided on both end surfaces of the multilayer body in a length direction intersecting a lamination direction, and each connected to the internal electrode layers and each including glass and copper, and plated layers respectively provided on an outer side of the base electrode layers. A protective layer including sulfur is provided between the glass included in the base electrode layers and the plated layers.Type: ApplicationFiled: November 30, 2023Publication date: March 28, 2024Inventors: Keita KITAHARA, Yuta SAITO, Noriyuki OOKAWA, Riyousuke AKAZAWA, Takefumi TAKAHASHI, Masahiro WAKASHIMA, Yuta KUROSU, Akito MORI
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Publication number: 20240078521Abstract: A management apparatus according to an embodiment includes an acquirer configured to acquire a degree of deterioration of each part included in a vehicle, a selector configured to select a part having a degree of deterioration acquired by the acquirer, less than a threshold value, from among parts included in the vehicle, and an identifier configured to identify a diversion destination vehicle to which the selected part will be diverted.Type: ApplicationFiled: August 22, 2023Publication date: March 7, 2024Inventors: Akito Tanihata, Hiromasa Takahashi
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Publication number: 20230250999Abstract: An exothermic reaction apparatus includes a reactor capable of accommodating a nanocomposite metal material, a cutoff unit provided in a gas pipe to cut off a supply of hydrogen to the reactor, a measurement unit that measures an occlusion rate of hydrogen in the nanocomposite metal material accommodated in the reactor, and a controller that controls the exothermic reaction apparatus. The controller controls the occlusion rate of hydrogen in the nanocomposite metal material accommodated in the reactor to a value within a range of 1.0 or more and 3.5 or less by controlling the cutoff unit during an exothermic reaction to stop the supply of hydrogen into the reactor when the occlusion rate of hydrogen in the nanocomposite metal material based on a measurement result obtained with the measurement unit approaches a predetermined value and to resume the supply of hydrogen into the reactor a predetermined time after.Type: ApplicationFiled: February 3, 2023Publication date: August 10, 2023Applicant: TECHNOVA INC.Inventors: Akito TAKAHASHI, Masahiko HASEGAWA, Yutaka MORI
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Publication number: 20220339698Abstract: A nanocomposite metal material includes a carrier formed of Zr and two-element metal particles supported on the carrier. The two-element metal is formed of Cu and Ni, and a degree of oxidation of the carrier is more than 31% and 100% or less. In a case where the nanocomposite metal material is disposed in a reaction furnace of a thermal reactor, the inside of the reaction furnace is brought into a vacuum state, and the inside of the reaction furnace is heated to a temperature range of 250° C. or higher and 350° C. or lower with a heating mechanism included in the thermal reactor while supplying at least one of hydrogen gas and deuterium gas into the reaction furnace, excessive heat of the nanocomposite metal material is 100 W/kg or more.Type: ApplicationFiled: September 7, 2020Publication date: October 27, 2022Applicant: TECHNOVA INC.Inventors: Akito TAKAHASHI, Joji HACHISUKA, Yuichi FURUYAMA
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Patent number: 9618943Abstract: At a time when control of a flow rate adjusting valve is initiated from a fully closed state in order to make a measured flow rate equal to a target flow rate, an initial value of a driving signal is set as a parameter by making use of at least one of the type, pressure, and temperature of a fluid.Type: GrantFiled: October 28, 2013Date of Patent: April 11, 2017Assignee: HORIBA STEC, Co., Ltd.Inventors: Yuki Tanaka, Akito Takahashi
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Patent number: 8789556Abstract: The flow rate control device is provided with: a fluid resistor provided on the flow channel; a pressure sensor provided in any one of an upstream side or a downstream side of the fluid resistor; a pressure calculating part configured to calculate a pressure in a side with respect to the fluid resistor where the pressure sensor is not provided; a flow rate calculating part configured to calculate a flow rate based on the measurement pressure value and a calculation pressure value calculated by the pressure calculating part; and an abnormality diagnosing part configured to diagnose an abnormality of the measurement flow rate value based on the measurement flow rate value and a calculation flow rate value.Type: GrantFiled: October 12, 2012Date of Patent: July 29, 2014Assignee: Horiba STEC, Co., Ltd.Inventors: Tadahiro Yasuda, Shigeyuki Hayashi, Akito Takahashi, Tetsuo Shimizu
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Publication number: 20140116538Abstract: At a time when control of a flow rate adjusting valve is initiated from a fully closed state in order to make a measured flow rate equal to a target flow rate, an initial value of a driving signal is set as a parameter by making use of at least one of the type, pressure, and temperature of a fluid.Type: ApplicationFiled: October 28, 2013Publication date: May 1, 2014Applicant: HORIBA STEC, Co., Ltd.Inventors: Yuki Tanaka, Akito Takahashi
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Patent number: 8265795Abstract: To improve PI performance of a mass flow controller, the mass flow controller changes a proportional coefficient, an integral coefficient, and a derivative coefficient used for PID operation in a stable state based on at least two out of a primary pressure, a time change amount of the primary pressure, and a flow rate set value.Type: GrantFiled: November 5, 2009Date of Patent: September 11, 2012Assignee: Horiba STEC, Co., Ltd.Inventors: Akito Takahashi, Yukimasa Furukawa, Yuki Tanaka
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Patent number: 8056579Abstract: A mass flow controller has: a flow rate sensor section that measures the flow rate of a fluid and outputs a flow rate measurement signal indicating the measurement value; a flow rate control valve disposed upstream or downstream of the flow rate sensor section; a calculation section that calculates a feedback control value to be supplied to the flow rate control valve by performing at least a proportional calculation on the deviation of the flow rate measurement value indicated by the flow rate measurement signal from a flow rate setting value; and an opening control signal output section that generates an opening control signal based on the feedback control value and outputs the opening control signal to the flow rate control valve. The function used for calculating the gain value in the proportional calculation differs between a changing period and a stable period.Type: GrantFiled: June 4, 2007Date of Patent: November 15, 2011Assignee: Horiba Stec, Co., Ltd.Inventors: Akito Takahashi, Yutaka Yoneda
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Publication number: 20110106319Abstract: To improve PI performance of a mass flow controller, the mass flow controller changes a proportional coefficient, an integral coefficient, and a derivative coefficient used for PID operation in a stable state based on at least two out of a primary pressure, a time change amount of the primary pressure, and a flow rate set value.Type: ApplicationFiled: November 5, 2009Publication date: May 5, 2011Applicant: HORIBA STEC, CO., LTD.Inventors: Akito Takahashi, Yukimasa Furukawa, Yuki Tanaka
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Patent number: 7881829Abstract: This invention provides a mass flow controller that can prevent a flow rate change due to a pressure change without sacrificing the speed of response to a change of a flow rate setting value and can be used in a system that can generate a crosstalk. In order to provide the mass flow controller, the mass flow controller has: a control section 5 that calculates an opening control signal to be supplied to a flow rate control valve based on a predetermined calculation formula including at least a flow rate measurement value and a flow rate setting value as parameters and outputs the opening control signal; and a pressure sensor section 4 that measures pressure of a fluid on the upstream side or the downstream side of a flow rate sensor section 2 and outputs a pressure detection signal indicating the pressure value.Type: GrantFiled: June 1, 2007Date of Patent: February 1, 2011Assignee: Horiba Stec Co., Ltd.Inventors: Yutaka Yoneda, Akito Takahashi
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Publication number: 20090312876Abstract: This invention provides a mass flow controller that can prevent a flow rate change due to a pressure change without sacrificing the speed of response to a change of a flow rate setting value and can be used in a system that can generate a crosstalk. In order to provide the mass flow controller, the mass flow controller has: a control section 5 that calculates an opening control signal to be supplied to a flow rate control valve based on a predetermined calculation formula including at least a flow rate measurement value and a flow rate setting value as parameters and outputs the opening control signal; and a pressure sensor section 4 that measures pressure of a fluid on the upstream side or the downstream side of a flow rate sensor section 2 and outputs a pressure detection signal indicating the pressure value.Type: ApplicationFiled: June 1, 2007Publication date: December 17, 2009Applicant: HORIBA STEC, CO., LTD.Inventors: Yutaka Yoneda, Akito Takahashi
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Publication number: 20080295892Abstract: A mass flow controller has: a flow rate sensor section that measures the flow rate of a fluid and outputs a flow rate measurement signal indicating the measurement value; a flow rate control valve disposed upstream or downstream of the flow rate sensor section; a calculation section that calculates a feedback control value to the supplied to the flow rate control valve by performing at least a proportional calculation on the deviation of the flow rate measurement value indicated by the flow rate measurement signal from a flow rate setting value; and an opening control signal output section that generates an opening control signal based on the feedback control value and outputs the opening control signal to the flow rate control valve. The function used for calculating the gain value in the proportional calculation differs between a changing period and a stable period.Type: ApplicationFiled: June 4, 2007Publication date: December 4, 2008Applicant: HORIBA STEC, CO., LTD.Inventors: Akito Takahashi, Yutaka Yoneda
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Patent number: 6960078Abstract: A liquid heating cooker including a box-shaped vat having a bottom panel A, rear panel B, left panel C, right panel D, and holding panel E, which are separated by welding lines F to I. The welding lines F and G are provided on a front wall portion, a bottom wall portion, a front wall portion and upper bottom wall portions 12e and 12f of an oil sediment holding portion, and a rear wall portion, whereas the welding lines H and I are provided on the front wall portion and the rear wall portion of the oil sediment holding portion. The welding lines are not provided at the corner portions of the vat and the corner portions are rounded. Consequently, even if the fryer is repeatedly operated and stopped, cracking at the welded portions and/or the corner portions due to expansion and contraction of the panels does not occur easily.Type: GrantFiled: December 17, 2002Date of Patent: November 1, 2005Assignee: Paloma Industries, LimitedInventors: Eiichi Takeda, Akito Takahashi, Gou Nagao