Patents by Inventor Kenta Sato

Kenta Sato 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: 10989729
    Abstract: A physical quantity sensor device includes a physical quantity sensor and a storage. The storage stores a first constant used as a constant of each term in an approximate polynomial to obtain a first secondary frequency temperature characteristic approximated to the actual frequency temperature characteristic, in a first temperature region less than the first boundary temperature, and a second constant used as a constant of each term in the approximate polynomial to obtain a second secondary frequency temperature characteristic approximated to the actual frequency temperature characteristic, in a second temperature region equal to or greater than the first boundary temperature.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: April 27, 2021
    Inventor: Kenta Sato
  • Patent number: 10973119
    Abstract: An electronic circuit board includes a substrate having a multilayer structure including a ground layer, has at least one configuration in which, in a ground layer closest to a signal terminal of an oscillator, a region overlapping a signal terminal in a plan view is a non-forming region of a ground electrode, in a ground layer closest to a first wiring connecting the signal terminal of the oscillator and an input portion of an amplifier, a region overlapping the first wiring in the plan view is a non-forming region of a ground electrode, and in a ground layer closest to a second wiring connecting the signal terminal of the oscillator and an output portion of the amplifier, a region overlapping the second wiring in the plan view is a non-forming region of a ground electrode.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: April 6, 2021
    Inventors: Kenta Sato, Yasushi Yoshikawa
  • Publication number: 20210096150
    Abstract: An inertial measurement unit includes: a sensor unit having at least one inertial sensor; a substrate where at least one of a processing unit performing processing based on detection information from the inertial sensor and a display unit performing a display based on the detection information is provided; and at least one fixing member removably fixing the sensor unit and the substrate together.
    Type: Application
    Filed: September 28, 2020
    Publication date: April 1, 2021
    Inventors: Kenta SATO, Yasushi YOSHIKAWA
  • Publication number: 20210095961
    Abstract: An inertial measurement unit includes: a sensor unit having at least one inertial sensor; a display unit performing a display based on detection information from the inertial sensor; and a mode changeover switch. The mode changeover switch changes a display mode of the display unit.
    Type: Application
    Filed: September 28, 2020
    Publication date: April 1, 2021
    Inventors: Kenta SATO, Yasushi YOSHIKAWA
  • Publication number: 20210088460
    Abstract: A thermal analysis device, a sample holder assembly and a thermal analysis method, capable of DSC measurement and TG measurement while simplifying replacement of a temperature sensor or the like upon damages. The thermal analysis device includes a sample holder assembly that is detachably mounted, a first sample stage and a second sample stage that are detachably mounted, a heater (heating furnace) that heats the sample holder assembly and the like, a temperature controller, a temperature measuring section for detecting a temperature difference between the sample and a reference substance, and a weight measuring section (balance) for measuring a weight difference between the sample and the reference substance.
    Type: Application
    Filed: September 23, 2020
    Publication date: March 25, 2021
    Inventors: Hiroki Takaishi, Daisuke Ito, Kenta Sato
  • Publication number: 20210088485
    Abstract: A gas analysis device and a gas analysis method capable of performing measurement in a direct mode and a trap mode without carrying out a complicated control. The gas analysis device includes a branching section that branches a target gas, a mass spectrometer that carries out mass spectrometry of one branched target gases, a trap section that holds the other branched target gases, a gas chromatograph that analyzes the other branched target gas held by the trap section, and a controller that controls the flow path of the one branched target gas and the other branched target gas. The branching section is controlled so that, while the thermal analysis is being carried out by the thermal analysis device, the branching section continuously branches the supplied target gas and discharges one branched target gas and the other branched target gas, and when the thermal analysis has been completed, the other branched target gas held by the trap section is supplied to the gas chromatograph.
    Type: Application
    Filed: September 16, 2020
    Publication date: March 25, 2021
    Inventors: Ryoichi Kinoshita, Hiroki Takaishi, Daisuke Ito, Kenta Sato
  • Patent number: 10959322
    Abstract: A printed circuit board comprises a board main body, a sensor, an external connection pad, and a hollow-structured electrical conductor. The board main body has a top face and a bottom face opposite the top face. The sensor is mounted on one of the top face and the bottom face of the board main body. The external connection pad is provided on the top face or the bottom face of the board main body opposite the sensor. The hollow-structured electrical conductor extends through the board main body and electrically connects the sensor to the external connection pad.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: March 23, 2021
    Assignee: Tyco Electronics Japan G.K.
    Inventors: Kenta Sato, Heewon Jeong
  • Publication number: 20200393987
    Abstract: A storage system and storage control method are provided in which a plurality of volumes to be processed by a storage control unit are distributed and evacuated in a normal storage control unit without recovering redundancy of the storage control unit having decreased redundancy, and the storage control unit itself having the decreased redundancy is deleted after the evacuating is completed, and thus reservation information processing resources for guaranteeing recoverability of the redundancy become unnecessary.
    Type: Application
    Filed: September 1, 2020
    Publication date: December 17, 2020
    Inventors: Kenta SATO, Akira DEGUCHI, Tomohiro KAWAGUCHI
  • Publication number: 20200300722
    Abstract: A temperature correction device includes a data acquisition portion that acquires physical quantity data based on an output signal from a physical quantity sensor and temperature data based on an output signal from a temperature sensor, a physical quantity measurement portion that measures a physical quantity detected by the physical quantity sensor based on the physical quantity data, a correction value calculation portion that calculates a correction value based on a product of a temperature gradient value for a first period from a first time to a second time obtained based on the temperature data and a correction coefficient value, and a correction portion that corrects a measurement value of the physical quantity measured by the physical quantity measurement portion based on the correction value.
    Type: Application
    Filed: March 20, 2020
    Publication date: September 24, 2020
    Inventors: Kenta SATO, Yasushi YOSHIKAWA
  • Patent number: 10776035
    Abstract: A storage system and storage control method are provided in which a plurality of volumes to be processed by a storage control unit are distributed and evacuated in a normal storage control unit without recovering redundancy of the storage control unit having decreased redundancy, and the storage control unit itself having the decreased redundancy is deleted after the evacuating is completed, and thus reservation information processing resources for guaranteeing recoverability of the redundancy become unnecessary.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: September 15, 2020
    Assignee: HITACHI, LTD.
    Inventors: Kenta Sato, Akira Deguchi, Tomohiro Kawaguchi
  • Publication number: 20200271535
    Abstract: A sensor module includes an inertial sensor, a storage unit that stores a structural resonance frequency in a detection axis direction of the inertial sensor at a first time point, a resonance frequency measurement unit that measures the structural resonance frequency in the detection axis direction of the inertial sensor at a second time point based on an output signal of the inertial sensor, and an abnormality determination unit that determines that the inertial sensor is abnormal when the structural resonance frequency at the first time point and the structural resonance frequency at the second time point are separated by a predetermined value or more.
    Type: Application
    Filed: February 20, 2020
    Publication date: August 27, 2020
    Inventors: Kenta SATO, Yasushi YOSHIKAWA
  • Patent number: 10677813
    Abstract: A physical quantity detector according to the invention includes a substrate section including a base section, a movable part connected to the base section, a support section extending from the base section, an extending part extending from the support section, and a physical quantity detection element fixed to the base section and the movable part, and a weight fixed to the movable part, and the extending part and the weight overlap each other in a planar view from the thickness direction of the extending part.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: June 9, 2020
    Assignee: Seiko Epson Corporation
    Inventor: Kenta Sato
  • Publication number: 20200097204
    Abstract: According to one embodiment, a storage control method is provided in which a plurality of volumes to be processed by a storage control unit are distributed and evacuated in a normal storage control unit without recovering redundancy of the storage control unit having decreased redundancy, and the storage control unit itself having the decreased redundancy is deleted after the evacuating is completed, and thus reservation information processing resources for guaranteeing recoverability of the redundancy become unnecessary and use efficiency of a physical server is improved.
    Type: Application
    Filed: March 6, 2019
    Publication date: March 26, 2020
    Inventors: Kenta SATO, Akira DEGUCHI, Tomohiro KAWAGUCHI
  • Patent number: 10566142
    Abstract: A solid electrolytic capacitor which exhibits excellent characteristics for high voltage applications of 80 WV or more and a method for manufacturing this solid electrolytic capacitor are provided. This solid electrolytic capacitor includes a capacitor element 10 which is obtained by winding an anode foil 1 and a cathode foil 2, with a separator 3 interposed therebetween, the capacitor element 10 includes a solid electrolyte layer, and a void part in the capacitor element 10 is filled with an electrolyte solution, the electrolyte solution contains an ammonium salt of an aliphatic carboxylic acid as a solute and a polyhydric alcohol as a solvent, and the addition amount of the acid serving as the solute relative to the solvent is 0.6 mol/kg or less.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: February 18, 2020
    Assignee: Nippon Chemi-Con Corporation
    Inventors: Kenta Sato, Masao Sakakura, Kazuya Koseki
  • Publication number: 20190331491
    Abstract: A vibration rectification error correction circuit includes a first correction circuit that obtains a digital value based on a signal to be measured output from a sensor element configured to measure a physical quantity and corrects a vibration rectification error of the digital value by a correction function based on a product of values obtained by biasing the digital value.
    Type: Application
    Filed: April 26, 2019
    Publication date: October 31, 2019
    Inventors: Masayoshi TODOROKIHARA, Kenta SATO
  • Patent number: 10459841
    Abstract: A first information-processing-apparatus includes a buffer to have entries to store a first request-data received and transmitted to a second information-processing-apparatus, a memory, and a processor coupled to the memory and configured to transmit, to the second information-processing-apparatus, the first request-data and a second request-data to be transmitted to second or third information-processing-apparatus, when a state where a number of entries in which data is stored in the buffer is equal to or larger than a first threshold is continued for a time longer than a first time, and a state where transmissions of first and second request-data to the second information-processing-apparatus are suppressed is continued for a time longer than a second time, change a number of entries usable in the buffer into a second threshold larger than the first threshold, and when the number of entries usable is the second threshold, suppress a transmission of the second request-data.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: October 29, 2019
    Assignee: FUJITSU LIMITED
    Inventor: Kenta Sato
  • Publication number: 20190324052
    Abstract: A physical quantity sensor module includes: a resonant frequency shift based physical quantity sensor whose frequency adjusts with a adjust in physical quantity; a reference signal oscillator which outputs a reference signal; a frequency delta-sigma modulator which performs frequency delta-sigma modulation of the reference signal, using an operation signal based on a measurement target signal as an output from the resonant frequency shift based physical quantity sensor, and generates a frequency delta-sigma modulated signal; a first low-pass filter provided on an output side of the frequency delta-sigma modulator and operating synchronously with the measurement target signal as the output from the resonant frequency shift based physical quantity sensor; and a second low-pass filter provided on an output side of the first low-pass filter and operating synchronously with the reference signal.
    Type: Application
    Filed: April 19, 2019
    Publication date: October 24, 2019
    Inventors: Kenta SATO, Masayoshi TODOROKIHARA
  • Publication number: 20190316903
    Abstract: A sensor unit includes acceleration sensors as physical quantity sensors, a control IC as a processor electrically coupled to the acceleration sensors, a circuit board as a board on which the acceleration sensors and the control IC are installed, and a container accommodating the circuit board. The acceleration sensors and the control IC are disposed on the circuit board such that the acceleration sensors and the control IC do not overlap each other in a plan view.
    Type: Application
    Filed: April 11, 2019
    Publication date: October 17, 2019
    Inventors: Kenta SATO, Yasushi YOSHIKAWA
  • Publication number: 20190320526
    Abstract: A sensor unit includes a physical quantity sensor, a connecter to be coupled to the outside, a board on which the physical quantity sensor and the connecter are installed, and a container accommodating the board. The board is provided with a first region in which the connecter is installed, a second region in which the physical quantity sensor is installed, and a coupling region disposed between the first and second regions and having a sectional area S3 that is smaller than a sectional area S1 of the first region and a sectional area S2 of the second region in a sectional view as seen in a direction orthogonal to a direction in which the first region and the second region are arranged, and a region in the second region of the board on the coupling region side is attached to the container via a fixation member.
    Type: Application
    Filed: April 11, 2019
    Publication date: October 17, 2019
    Inventors: Kenta Sato, Yasushi Yoshikawa
  • Publication number: 20190277871
    Abstract: A physical quantity sensor device includes a physical quantity sensor and a storage. The storage stores a first constant used as a constant of each term in an approximate polynomial to obtain a first secondary frequency temperature characteristic approximated to the actual frequency temperature characteristic, in a first temperature region less than the first boundary temperature, and a second constant used as a constant of each term in the approximate polynomial to obtain a second secondary frequency temperature characteristic approximated to the actual frequency temperature characteristic, in a second temperature region equal to or greater than the first boundary temperature.
    Type: Application
    Filed: March 8, 2019
    Publication date: September 12, 2019
    Inventor: Kenta SATO