Patents by Inventor Yohei Ishii
Yohei Ishii 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: 20240153640Abstract: An information processing system includes: a machine learning model learned using learning data including two or more types of modal information acquired from a patient or a subject; a setting unit that sets input data to be used as input to the machine learning model from the learning data; and an output unit that inputs the input data to the machine learning model and outputs an estimation result of efficacy of a medicine or a health condition for the patient or the subject, in which the setting unit sets the input data on the basis of the degree of influence given to estimation of a diagnosis result at the time of learning of the machine learning model, the degree of influence given by each piece of the modal information included in the learning data.Type: ApplicationFiled: February 24, 2022Publication date: May 9, 2024Applicant: Sony Group CorporationInventors: Shigeatsu YOSHIOKA, Yoshiyuki KOBAYASHI, Takeshi KUNIHIRO, Yohei KOBAYASHI, Shiori SASADA, Yugo KATSUKI, Kenji SUZUKI, Masato ISHII
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Patent number: 11932666Abstract: Provided is a polymerizable compound represented by a Formula E-1 or Formula E-2 shown in the description. In Formula E-1 or Formula E-2, R1 represents an alkoxy group, —NRN2, a hydroxy group, an aryl group, or an alkyl group, wherein RN each independently represents a hydrogen atom or an alkyl group having 1 to 10 carbon atoms; n represents an integer from 1 to 5; R3 represents a hydrogen atom, an acetyl group, a phenoxyacetyl group, a pivaloyl group, a benzyl group, a 4-methoxybenzyl group, a benzoyl group, a triphenylmethyl group, a 4,4?-dimethoxytrityl (DMTr) group, a 4-methoxytrityl (MMTr) group, a 9-phenylxanthenyl group, a trimethylsilyl group, a cyanomethoxymethyl group, a 2-(cyanoethoxy)ethyl group, or a cyanoethoxymethyl group; and X represents a structure represented by any one of Formula B-1 to Formula B-5 shown in the description.Type: GrantFiled: October 13, 2022Date of Patent: March 19, 2024Assignee: TOKYO UNIVERSITY OF SCIENCE FOUNDATIONInventors: Takeshi Wada, Tatsuya Saito, Yuka Ishii, Yohei Nukaga
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Patent number: 11772512Abstract: In a vehicle power supply system mounted on an electric vehicle, a vehicle controller switches a discharge power limit to a motor during travel of the electric vehicle according to degradation information of a battery module to which a plurality of cells are connected, the degradation information being calculated in advance before the travel of the electric vehicle. For example, the vehicle controller switches a limit of a maximum acceleration and/or maximum speed of the electric vehicle as the switching of the discharge power limit.Type: GrantFiled: February 13, 2019Date of Patent: October 3, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Makoto Hashimoto, Yohei Ishii, Tohru Watanabe, Tadao Kimura, Masaaki Takegata
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Publication number: 20230307925Abstract: An acquisition unit of management unit acquires monitoring data including at least one of voltage and state of charge of a plurality of power storage packs connected in parallel. A switch controller can individually control on/off of a plurality of switches based on a voltage difference between the plurality of power storage packs or an SOC difference between the plurality of power storage packs. When calculating the entire capacity of the plurality of power storage packs, a capacity calculator also adds the capacity of power storage pack connected to a switch in an off state in a case where the switch can be controlled to an on state in future.Type: ApplicationFiled: July 19, 2021Publication date: September 28, 2023Inventors: YOHEI ISHII, YUSUKE ITAKURA
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Publication number: 20230286415Abstract: Deterioration regression curve generation unit generates a deterioration regression curve of each battery by performing curve regression on a plurality of SOHs specified in time series for each battery Coefficient regression function generation unit generates a regression function of a deterioration coefficient using an average travel distance or an average discharge amount per unit period of a plurality of electrically-driven mobile units as an independent variable and using a deterioration coefficient of the deterioration regression curve of each of the plurality of the batteries as a dependent variable.Type: ApplicationFiled: July 19, 2021Publication date: September 14, 2023Inventor: YOHEI ISHII
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Patent number: 11756793Abstract: A semiconductor device manufacturing method includes the steps of etching a semiconductor material by using plasma, forming a damage layer on the semiconductor material, and removing the damage layer such that a relatively low temperature process can form a fine pattern with a vertical cross section using a compound semiconductor material or the like.Type: GrantFiled: June 19, 2020Date of Patent: September 12, 2023Assignee: HITACHI HIGH-TECH CORPORATIONInventors: Yohei Ishii, Kathryn Maier, Medhat Khalil
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Publication number: 20230266399Abstract: SOH estimation unit (4613) estimates a state of health (SOH) of battery (E1, 41) based on measurement data of battery (E1, 41). Deterioration regression curve generation unit (4614) generates a deterioration regression curve of battery (E1, 41) by performing curve regression on a plurality of the SOHs specified in time series for battery (E1, 41). Rapid deterioration determination unit (4615) determines whether or not rapid deterioration has occurred in battery (E1, 41) based on a difference or a ratio between a deterioration coefficient of a deterioration regression curve of battery (E1, 41) generated based on the plurality of SOHs in a first data section and a deterioration coefficient of a deterioration regression curve of battery (E1, 41) generated based on the plurality of SOHs in a second data section.Type: ApplicationFiled: July 19, 2021Publication date: August 24, 2023Inventor: YOHEI ISHII
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Publication number: 20220355700Abstract: In a management device that manages a parallel system for power storage where a plurality of series-connected cell groups are connected in parallel, controller (16) derives deviations of currents flowing through the plurality of series-connected cell groups, and calculates an upper limit value of a charging current or charging power of the whole parallel system or an upper limit value of a discharging current or discharging power of the whole parallel system based on the derived current deviations. Controller (16) adjusts the upper limit value by multiplying the upper limit value by a coefficient ? (0???1) in accordance with a condition at a time of deriving the current deviations.Type: ApplicationFiled: June 24, 2020Publication date: November 10, 2022Inventor: YOHEI ISHII
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Publication number: 20210339650Abstract: In a vehicle power supply system mounted on an electric vehicle, a vehicle controller switches a discharge power limit to a motor during travel of the electric vehicle according to degradation information of a battery module to which a plurality of cells are connected, the degradation information being calculated in advance before the travel of the electric vehicle. For example, the vehicle controller switches a limit of a maximum acceleration and/or maximum speed of the electric vehicle as the switching of the discharge power limit.Type: ApplicationFiled: February 13, 2019Publication date: November 4, 2021Inventors: MAKOTO HASHIMOTO, YOHEI ISHII, TOHRU WATANABE, TADAO KIMURA, MASAAKI TAKEGATA
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Patent number: 11056886Abstract: In a power storage system, a three-phase AC wire is connected to a three-phase AC power system. Power storage blocks, each of which includes a power storage module and a power conditioner, are connected in parallel to the three-phase AC wire. A system controller individually controls power storage blocks. The power storage modules each includes: a power storage unit; and a management unit that manages the power storage unit. The power conditioner includes a power converter and a controller. The power converter converts DC power discharged into single-phase AC power and outputs the converted AC power to two lines of the three-phase AC wire, or converts single-phase AC power received from the two lines of the three-phase AC wire into DC power and charges the power storage unit. The controller is connected to the system controller via a communication line and the management unit via a communication line.Type: GrantFiled: April 16, 2018Date of Patent: July 6, 2021Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Masaki Kato, Naohisa Morimoto, Masaaki Kuranuki, Jun Yamasaki, Yohei Ishii, Koichi Sawada
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Publication number: 20210202259Abstract: A semiconductor device manufacturing method includes the steps of etching a semiconductor material by using plasma, forming a damage layer on the semiconductor material, and removing the damage layer such that a relatively low temperature process can form a fine pattern with a vertical cross section using a compound semiconductor material or the like.Type: ApplicationFiled: June 19, 2020Publication date: July 1, 2021Inventors: Yohei Ishii, Kathryn Maier, Medhat Khalil
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Patent number: 10892158Abstract: A manufacturing process of a semiconductor device including a SiGe channel can form a Si segregation layer for protecting the SiGe channel without damaging the SiGe channel. A manufacturing method of a semiconductor device includes: a first step for performing plasma processing on a semiconductor substrate having a silicon layer and a silicon germanium layer formed on the silicon layer under a first condition to expose the silicon germanium layer; and a second step for performing plasma processing on the semiconductor substrate under a second condition to segregate silicon on the surface of the exposed silicon germanium layer. The silicon germanium layer or layers lying adjacent to the silicon germanium layer can be etched under the first condition, hydrogen plasma processing is performed under the second condition, and the first step and the second step are executed in series in the same processing chamber of a plasma processing apparatus.Type: GrantFiled: April 1, 2019Date of Patent: January 12, 2021Assignee: HITACHI HIGH-TECH CORPORATIONInventors: Makoto Miura, Yohei Ishii, Satoshi Sakai, Kenji Maeda
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Publication number: 20200312658Abstract: A manufacturing process of a semiconductor device including a SiGe channel can form a Si segregation layer for protecting the SiGe channel without damaging the SiGe channel. A manufacturing method of a semiconductor device includes: a first step for performing plasma processing on a semiconductor substrate having a silicon layer and a silicon germanium layer formed on the silicon layer under a first condition to expose the silicon germanium layer; and a second step for performing plasma processing on the semiconductor substrate under a second condition to segregate silicon on the surface of the exposed silicon germanium layer. The silicon germanium layer or layers lying adjacent to the silicon germanium layer can be etched under the first condition, hydrogen plasma processing is performed under the second condition, and the first step and the second step are executed in series in the same processing chamber of a plasma processing apparatus.Type: ApplicationFiled: April 1, 2019Publication date: October 1, 2020Inventors: Makoto MIURA, Yohei ISHII, Satoshi SAKAI, Kenji MAEDA
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Publication number: 20200127458Abstract: In a power storage system, a three-phase AC wire is connected to a three-phase AC power system. Power storage blocks, each of which includes a power storage module and a power conditioner, are connected in parallel to the three-phase AC wire. A system controller individually controls power storage blocks. The power storage modules each includes: a power storage unit; and a management unit that manages the power storage unit. The power conditioner includes a power converter and a controller. The power converter converts DC power discharged into single-phase AC power and outputs the converted AC power to two lines of the three-phase AC wire, or converts single-phase AC power received from the two lines of the three-phase AC wire into DC power and charges the power storage unit. The controller is connected to the system controller via a communication line and the management unit via a communication line.Type: ApplicationFiled: April 16, 2018Publication date: April 23, 2020Inventors: MASAKI KATO, NAOHISA MORIMOTO, MASAAKI KURANUKI, JUN YAMASAKI, YOHEI ISHII, KOICHI SAWADA
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Patent number: 10601277Abstract: An insulated wire in which at least one layer of an insulating material is coated around a conductor, wherein the insulated wire has a part in which relative permittivity is different in a length direction or a circumferential direction in an identical coating layer and a method of producing the same, and a rotating electrical machine and a method of producing the same.Type: GrantFiled: July 21, 2016Date of Patent: March 24, 2020Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA MAGNET WIRE CO., LTD.Inventors: Yohei Ishii, Tsuneo Aoi
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Patent number: 9927380Abstract: There is provided a detection device including: a detection electrode that is arranged at a position on an arrangement plane near a tubular body; a drive electrode that is arranged on the arrangement plane; and a controller configured to generate lines of electric force between the detection electrode and the drive electrode and to detect a state of the tubular body by detecting lines of electric force entering the detection electrode.Type: GrantFiled: March 27, 2015Date of Patent: March 27, 2018Assignee: Minebea Co., Ltd.Inventors: Akira Muto, Yasutoshi Obata, Hiroyuki Ohmae, Kiyoshi Omori, Yohei Ishii
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Patent number: 9897659Abstract: Charge state estimation device includes: current/voltage acquiring unit for acquiring a charge/discharge current value and inter-terminal voltage value of secondary battery; combined current calculating unit for calculating a combined current value from the charge/discharge current value acquired at a time t; estimation time setting unit for setting, as an estimation time for charge state estimation, the time at which the combined current value exists within a predetermined threshold range; internal resistance estimating unit for estimating the internal resistance value of secondary battery on the basis of the inter-terminal voltage values and charge/discharge current values of secondary battery at the estimation time T and at sampling time before the estimation time; and charge state estimating unit for estimating the open circuit voltage value and charge state value of the secondary battery on the basis of the inter-terminal voltage value of secondary battery at the estimation time and the internal resistanType: GrantFiled: January 31, 2014Date of Patent: February 20, 2018Assignee: SANYO ELECTRIC CO., LTD.Inventor: Yohei Ishii
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Patent number: 9846200Abstract: After charging or discharging is stopped, a reference timing (t0) is set, and a first timing (t1) at which battery voltage (V) changes by a unit amount (N) with respect to the reference timing (t0), and a second timing (t2) at which the battery voltage changes by twice more than the unit amount with respect to the reference timing (t0) are select and set. The ratio of the time difference (t2?t1) between the first and the second timing to the time difference (t1?t0) between the reference and the first timing is found as a voltage change parameter (R) corresponding to the rate of change of the change speed of the voltage battery. An estimation device considers the change rate determined by the parameter is considered to be unchanged during an electrical current non-passage, and estimates a stable open circuit voltage at an object timing in future after the second timing.Type: GrantFiled: September 24, 2013Date of Patent: December 19, 2017Assignee: SANYO ELECTRIC CO., LTD.Inventors: Naoto Migita, Yohei Ishii, Akihiko Yamada
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Patent number: 9580067Abstract: Charging/discharging control system for an electricity storage device includes motor/generator, electricity storage device, AC/DC conversion unit for performing AC/DC conversion processing between the AC power of motor/generator and the DC power of electricity storage device, and control device for controlling the charge and discharge of electricity storage device via AC/DC conversion unit. During charge control, in accordance with the charge state of electricity storage device, control device restricts the magnitude of the DC power that is obtained by converting the generation power generated by the regenerative braking of motor/generator at the deceleration and is supplied to electricity storage device.Type: GrantFiled: September 4, 2014Date of Patent: February 28, 2017Assignee: SANYO ELECTRIC CO., LTD.Inventor: Yohei Ishii
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Publication number: 20170004900Abstract: An insulated wire having a conductor coated with at least one layer of an insulating material, and having at least one layer of a bubble layer in a thickness direction in a coating layer, wherein the insulated wire has a part in which a thickness is small in a length direction or a circumferential direction in an identical coating layer; a method of producing the same; a method of producing a stator for a rotating electrical machine; and the rotating electrical machine.Type: ApplicationFiled: September 14, 2016Publication date: January 5, 2017Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA MAGNET WIRE CO., LTD.Inventors: Yohei ISHII, Tsuneo AOI