Patents by Inventor Satoshi Hara

Satoshi Hara 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).

  • Patent number: 11923714
    Abstract: A device for controlling a storage battery system is provided. The device includes: a state information calculator configured to calculate state information on each of batteries of a plurality of storage battery modules; a conversion efficiency characteristics calculator configured to calculate a power conversion efficiency of each of DC/DC converters of the plurality of storage battery modules; and a storage battery module selector configured to select one or a plurality of storage battery modules to be used while the storage battery system is charged or discharged and to determine a charge power or a discharge power of each of the selected storage battery modules, based on the state information of the batteries and the power conversion efficiencies of the DC/DC converters.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: March 5, 2024
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Satoshi Hara, Tomoki Takegami, Sadayuki Inoue
  • Patent number: 11911891
    Abstract: An actuator system that picks up workpieces aims to shorten tact time and to reduce damages to workpieces. The actuator system includes an actuator that picks up a workpiece, an external force detection sensor that detects a physical quantity that is correlated with an external force that is applied to the workpiece, a head unit that is connected to the actuator and the external force detection sensor without a communication network, the head unit being configured to control the actuator based on a sensing result from the external force detection sensor when a pickup request signal that is a signal requesting pickup of the workpiece is received, and a control device that is connected to the head unit over the communication network, the control device being configured to transmit the pickup request signal to the head unit.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: February 27, 2024
    Assignee: THK CO., LTD.
    Inventors: Katsuya Fukushima, Masashi Ishii, Hiroki Niwa, Akira Suzuki, Kazuto Oga, Shogo Wakuta, Satoshi Hara, Tomofumi Mizuno, Shigeki Hayashi
  • Patent number: 11883952
    Abstract: Provided is an actuator in which a load applied to a shaft and a workpiece is controlled. The actuator includes a support part that rotatably supports the shaft, a linear motion motor that moves the shaft in a direction of a central axis, a connecting member that is at least a part of a member connecting a mover of the linear motion motor and the support part, a strain gauge that detects strain of the connecting member, and a control device that controls the linear motion motor, based on the strain detected by the strain gauge.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: January 30, 2024
    Assignee: THK CO., LTD.
    Inventors: Katsuya Fukushima, Masashi Ishii, Hiroki Niwa, Akira Suzuki, Kazuto Oga, Shogo Wakuta, Satoshi Hara, Shigeki Hayashi, Tomofumi Mizuno
  • Patent number: 11764548
    Abstract: A spark plug includes a first discharge chip and a second discharge chip facing the first discharge chip to define a spark gap therebetween. The spark gap has a size or distance between the first and second discharge chips which is 0.23 mm or more and 0.6 mm or less. At least one of the first and second discharge chips is made from material mainly containing iridium or platinum and an additive of tantalum of 0.5 Wt % to 5.0 Wt %. This minimizes a risk that a portion of the first or second discharge chip may be separated or such a separated portion may be redeposited on the first or second discharge portion.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: September 19, 2023
    Assignee: DENSO CORPORATION
    Inventor: Satoshi Hara
  • Publication number: 20230289362
    Abstract: A data converting device includes a processor that executes a procedure. The procedure includes: for each of plural conversion rules, specifying a difference between pre-conversion data and post-conversion data generated by applying the plural conversion rules respectively to the pre-conversion data; determining application probabilities of the plural conversion rules respectively, in accordance with deviations in first plural data based on a first attribute of the first plural data and the differences for the plurality conversion rules; and generating second plural data by applying the plural conversion rules to the first plural data based on the application probabilities.
    Type: Application
    Filed: February 8, 2023
    Publication date: September 14, 2023
    Applicants: Fujitsu Limited, OSAKA UNIVERSITY
    Inventors: Keisuke GOTO, Satoshi HARA
  • Patent number: 11735991
    Abstract: In an actuator, an unnecessarily large load is prevented from being applied to a shaft and a workpiece. There are included a force sensor, an output of which is according to a force applied to a connecting member connected to the shaft, an amplifier that amplifies the output of the force sensor, and a low-pass filter, and a load applied to the shaft is detected based on an output from the amplifier until the shaft or a member associated with the shaft comes in contact with another member, and thereafter, the load applied to the shaft is detected based on an output from the low-pass filter.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: August 22, 2023
    Assignee: THK CO., LTD.
    Inventors: Katsuya Fukushima, Masashi Ishii, Hiroki Niwa, Akira Suzuki, Kazuto Oga, Shogo Wakuta, Satoshi Hara, Tomofumi Mizuno, Shigeki Hayashi
  • Publication number: 20230233977
    Abstract: A correcting system includes an acquisition unit, a storage unit, and a correction unit. The acquisition unit acquires information indicating first capture efficiency of a filter for first microscopic particles. The storage unit stores correction data to correct the first capture efficiency to second capture efficiency of the filter for second microscopic particles. The correction unit corrects the first capture efficiency acquired by the acquisition unit to the second capture efficiency based on the correction data.
    Type: Application
    Filed: March 24, 2023
    Publication date: July 27, 2023
    Inventors: Takeshi ARAKAWA, Yuta SASAI, Toshio TANAKA, Kiyoshi KUROI, Satoshi HARA
  • Patent number: 11685970
    Abstract: An iridium alloy includes iridium, platinum, and tantalum. A content of the platinum in the iridium alloy falls within a range from 5 wt % to 30 wt %, and a content of the tantalum in the iridium alloy falls within a range from 0.3 wt % to 5 wt %.
    Type: Grant
    Filed: August 18, 2022
    Date of Patent: June 27, 2023
    Assignees: DENSO CORPORATION, ISHIFUKU METAL INDUSTRY CO., LTD.
    Inventors: Satoshi Hara, Nobuo Abe, Kenta Terai, Shunsuke Takeya, Hayato Yasuhara
  • Publication number: 20230196200
    Abstract: A non-transitory computer-readable recording medium stores therein an information processing program that causes a computer to execute a process including, deciding on one or more variables, from among a plurality of variables, to be a target for a question regarding degree of importance, based on order of priority of the variables and estimated amount, the order of priority of the variables being determined based on a plurality of patterns indicating ranking of the plurality of variables, the estimated amount indicating possibility of a match with predetermined condition regarding each of the patterns, and updating the estimated amount based on an answer result of the question about the decided variable.
    Type: Application
    Filed: November 29, 2022
    Publication date: June 22, 2023
    Applicants: Fujitsu Limited, OSAKA UNIVERSITY
    Inventors: Hirofumi SUZUKI, Keisuke GOTO, Hiroaki IWASHITA, Takuya TAKAGI, Kotaro OHORI, Satoshi HARA
  • Publication number: 20230196196
    Abstract: An information processing device classifies a plurality of linear models, each of which includes one or more variables, into a plurality of groups in such a way that the linear models which include identical variables included in each of the plurality of linear models and which have identical coefficient encoding with respect to the variables are grouped in the same group, outputs a first question used in deciding degree of importance of each explanatory variable included in training data which is used in training of the plurality of linear models, and, decides on an explanatory variable about which a second question is to be asked, when a linear model in which the degree of importance is reflected is to be selected from the plurality of linear models, based on extent of decrease in number of target groups for selection according to an answer to the first question.
    Type: Application
    Filed: November 28, 2022
    Publication date: June 22, 2023
    Applicants: Fujitsu Limited, OSAKA UNIVERSITY
    Inventors: Hirofumi SUZUKI, Keisuke GOTO, Hiroaki IWASHITA, Takuya TAKAGI, Kotaro OHORI, Satoshi HARA
  • Publication number: 20230072558
    Abstract: An iridium alloy includes iridium, platinum, and tantalum. A content of the platinum in the iridium alloy falls within a range from 5 wt % to 30 wt %, and a content of the tantalum in the iridium alloy falls within a range from 0.3 wt % to 5 wt %.
    Type: Application
    Filed: August 18, 2022
    Publication date: March 9, 2023
    Inventors: Satoshi HARA, Nobuo ABE, Kenta TERAI, Shunsuke TAKEYA, Hayato YASUHARA
  • Publication number: 20220320968
    Abstract: Provided is an actuator including a shaft, a drive part that moves the shaft, a fixing part disposed around the shaft, the shaft being moved relative to the fixing part, a detecting part that detects a force applied to the shaft on a side closer to the drive part than to the fixing part, and a control device that obtains a first force that is detected by the detecting part in a predetermined period of a period during which the shaft is being moved before the shaft applies the force to a workpiece, and after the predetermined period, controls the drive part based on the force detected by the detecting part and the first force.
    Type: Application
    Filed: July 9, 2020
    Publication date: October 6, 2022
    Applicant: THK CO., LTD.
    Inventors: Katsuya Fukushima, Satoshi Hara, Shogo Wakuta, Yukihiro Yamada, Masashi Ishii, Tomofumi Mizuno
  • Publication number: 20220275546
    Abstract: A fiber article includes a plurality of first fibers and a plurality of second fibers each having an outer diameter smaller than that of each of the first fibers, the plurality of second fibers being supported in a dispersed state by the first fibers. A ratio D1/D2 of an outer diameter D1 of the first fiber to an outer diameter D2 of the second fiber is set to a value in a range of 15.0 or greater to 1666.7 or less. The outer diameter D1 is set to a value in a range of 5.0 ?m or greater to 50.0 ?m or less, and the outer diameter D2 is set to a value in a range of 30.0 nm or greater to 1.0 ?m or less.
    Type: Application
    Filed: August 28, 2020
    Publication date: September 1, 2022
    Applicants: DAICEL CORPORATION, DAIKIN INDUSTRIES, LTD.
    Inventors: Yoshitaka ITO, Masaya OMURA, Junko MAKINO, Satoshi HARA, Hiroaki SHINTANI
  • Patent number: 11426690
    Abstract: An air filter medium reduces a decrease in collection efficiency in the case where a main collection layer and a pre-collection layer having a lower collection efficiency than the main collection layer are used. An air filter medium that collects dust in gas includes a main collection layer and a pre-collection layer that has a lower collection efficiency of NaCl particles having a particle size of 0.3 ?m than the main collection layer, is disposed on an upstream side of an air flow with respect to the main collection layer, and has water repellency.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: August 30, 2022
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Satoshi Hara, Kunihiko Inui, Tatsumi Sakano
  • Patent number: 11422190
    Abstract: In a storage battery system charging control device, on the basis of estimated temperature data until the end of life of a storage battery calculated by a power estimation unit, an ambient temperature estimation unit, and a temperature estimation unit, and a deterioration coefficient stored in a data storage unit, a capacity retention calculation unit sequentially calculates capacity retention data with respect to each state of charge until the end of life of the storage battery, using the state of charge as a parameter. A cumulative capacity calculation unit calculates a cumulative capacity corresponding to each state of charge, on the basis of the rated capacity of the storage battery and the capacity retention data. A charging control voltage determination unit determines charging control voltage on the basis of the cumulative capacities calculated by the cumulative capacity calculation unit.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: August 23, 2022
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Satoshi Hara, Hisatoshi Fukumoto, Toshihiro Wada, Takahito Ida, Hiroki Ishihara
  • Publication number: 20220176284
    Abstract: Provided are an air filter medium and an air filter product that can have a long life. The air filter medium includes a filter medium layer that includes first fibers having an average fiber diameter of not less than 5 ?m and not greater than 50 ?m and second fibers disposed in gaps between the first fibers and having an average fiber diameter of not less than 30 nm and not greater than 1 ?m.
    Type: Application
    Filed: February 25, 2022
    Publication date: June 9, 2022
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Satoshi HARA, Hiroaki SHINTANI, Yoshitaka ITO
  • Publication number: 20210387353
    Abstract: An actuator system that picks up workpieces aims to shorten tact time and to reduce damages to workpieces. The actuator system includes an actuator that picks up a workpiece, an external force detection sensor that detects a physical quantity that is correlated with an external force that is applied to the workpiece, a head unit that is connected to the actuator and the external force detection sensor without a communication network, the head unit being configured to control the actuator based on a sensing result from the external force detection sensor when a pickup request signal that is a signal requesting pickup of the workpiece is received, and a control device that is connected to the head unit over the communication network, the control device being configured to transmit the pickup request signal to the head unit.
    Type: Application
    Filed: October 17, 2019
    Publication date: December 16, 2021
    Applicant: THK CO., LTD.
    Inventors: Katsuya Fukushima, Masashi Ishii, Hiroki Niwa, Akira Suzuki, Kazuto Oga, Shogo Wakuta, Satoshi Hara, Tomofumi Mizuno, Shigeki Hayashi
  • Publication number: 20210379760
    Abstract: In an actuator, an unnecessarily large load is prevented from being applied to a shaft and a workpiece. There are included a force sensor, an output of which is according to a force applied to a connecting member connected to the shaft, an amplifier that amplifies the output of the force sensor, and a low-pass filter, and a load applied to the shaft is detected based on an output from the amplifier until the shaft or a member associated with the shaft comes in contact with another member, and thereafter, the load applied to the shaft is detected based on an output from the low-pass filter.
    Type: Application
    Filed: October 8, 2019
    Publication date: December 9, 2021
    Applicant: THK CO., LTD.
    Inventors: Katsuya Fukushima, Masashi Ishii, Hiroki Niwa, Akira Suzuki, Kazuto Oga, Shogo Wakuta, Satoshi Hara, Tomofumi Mizuno, Shigeki Hayashi
  • Publication number: 20210370526
    Abstract: The present invention reduces tact time for a pick-and-place operation by an actuator. In a housing of the actuator, an air passage being a passage of air when sucking air from a hollow part of a shaft is provided. Furthermore, a sucking valve that sucks air from the hollow part of the shaft through the air passage and a suction detecting sensor to detect that a workpiece is suctioned onto a tip of the shaft are provided in the air passage. Then, in the housing, the air passage is disposed at a position on a side opposite to a linear motion motor that moves the shaft in an axial direction of the shaft, via the shaft.
    Type: Application
    Filed: August 1, 2019
    Publication date: December 2, 2021
    Applicant: THK CO., LTD.
    Inventors: Katsuya Fukushima, Masashi Ishii, Hiroki Niwa, Shigeki Hayashi, Akira Suzuki, Kazuto Oga, Shogo Wakuta, Satoshi Hara, Tomofumi Mizuno, Satoru Nagai
  • Patent number: 11151221
    Abstract: Probability density ratios may be estimated by a method including obtaining a first sample set including a plurality of first samples and a second sample set including a plurality of second samples, wherein each of the first samples and the second samples is represented as a vector including a plurality of parameters, constructing at least one decision tree estimating a ratio of probability density p(x)/q(x) based on the first sample set and the second sample set, wherein p(x) is a probability density of the first samples corresponding to an input vector x and q(x) is a probability density of the second samples corresponding to the input vector x.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: October 19, 2021
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Satoshi Hara, Tetsuro Morimura