Patents Assigned to Horiba, Ltd.
  • Patent number: 11448579
    Abstract: A particle size distribution measuring device includes an actual spectrum obtaining unit obtaining an actual spectrum which is a light intensity spectrum; a non-target spectrum calculating unit that receives non-target particle size distribution data indicating a particle size distribution of a non-target particle group which is not a measurement target and which is accommodated in the cell and that calculates, on the basis of the non-target particle size distribution data, a non-target spectrum which is a light intensity spectrum to be obtained by irradiating the non-target particle group with light; a non-target spectrum removing unit that calculates a target spectrum which is a light intensity spectrum obtained by subtracting an influence of the non-target spectrum from the actual spectrum; and a target particle size distribution calculating unit that calculates the particle size distribution of the particle group which is the measurement target on the basis of the target spectrum.
    Type: Grant
    Filed: May 27, 2019
    Date of Patent: September 20, 2022
    Assignee: HORIBA, LTD.
    Inventors: Tetsuya Mori, Hisashi Akiyama, Makoto Nagura
  • Patent number: 11448588
    Abstract: An analyzer that analyzes a measurement sample on the basis of spectrum data obtained by irradiating the measurement sample with light and includes a total analysis value calculation part that, on the basis of the total analysis value of a reference sample of which the total analysis value of multiple predetermined components are preliminarily obtained, calculates the total analysis value of the multiple components in the measurement sample from the spectrum data of the measurement sample.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: September 20, 2022
    Assignee: HORIBA, LTD.
    Inventors: Yoshitake Ando, Masayuki Adachi
  • Patent number: 11448589
    Abstract: An analyzer analyzes a measurement sample on the basis of spectrum data obtained by irradiating light to the measurement sample. The analyzer includes a main analysis part, a correlation data storage part and a concentration calculation part. The main analysis part calculates a concentration of a predetermined hydrocarbon component contained in the measurement sample on the basis of the spectrum data of the measurement sample. The correlation data storage part stores therein a plurality of correlation data each indicating a correlation between a concentration of the predetermined hydrocarbon component or the spectrum data and a THC concentration. The concentration calculation part selects at least one correlation data from among a plurality of correlation data stored in the correlation data storage part according to the concentration of the predetermined hydrocarbon component, and calculates a concentration of the total hydrocarbon components in the measurement sample by using correlation data thus selected.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: September 20, 2022
    Assignee: HORIBA, LTD.
    Inventor: Hirotaka Yabushita
  • Patent number: 11444213
    Abstract: Provided are a radiation detector and a radiation detection apparatus in which the efficiency of detecting radiation is enhanced by increasing a portion capable of detecting radiation. A radiation detector includes a semiconductor part having a plate-like shape, the semiconductor part being provided with a through hole penetrating the semiconductor part, one surface of the semiconductor part being an incident surface for radiation. The semiconductor part has a sensitive portion capable of detecting incident radiation, the sensitive portion including an inner edge of the incident surface.
    Type: Grant
    Filed: May 28, 2018
    Date of Patent: September 13, 2022
    Assignees: FONDAZIONE BRUNO KESSLER, HORIBA, LTD.
    Inventors: Antonino Picciotto, Francesco Ficorella, Nicola Zorzi, Daisuke Matsunaga, Kengo Yasui
  • Patent number: 11428616
    Abstract: The present claimed invention is to facilitate cleaning work of a cell for a particle size distribution measuring device that measures a particle size distribution by means of a line start method, and comprises a cell 2 that houses a density gradient solution, a cell rotating mechanism 3 that rotates the cell 2 so that a centrifugal force is applied to the cell 2 from a smaller density gradient to a larger density gradient and a sample introducing mechanism 7 that introduces a measurement sample into the cell 2 that is rotated by the cell rotating mechanism 3, and is so configured that the cell 2 is detachable from a main body of the device.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: August 30, 2022
    Assignee: HORIBA, LTD.
    Inventors: Tetsuji Yamaguchi, Takeshi Akamatsu, Tatsuo Igushi
  • Patent number: 11415499
    Abstract: The particle size distribution measurement device irradiates light onto a sample of particles, then detects secondary light generated by this irradiation, and then calculates a particle size distribution of the particles based on the detection data, and includes a separate measurement data receiving unit that receives separate measurement data obtained by separately measuring particles having a specific particle size in a separate sample, and light intensity data showing a light intensity of the secondary light generated by the particles in the separate sample, and a distribution conversion unit that, based on the separate measurement data and on the light intensity data, converts the particle size distribution from a distribution in which the numbers of particles of each particle size contained in the sample being measured are shown in relative terms to a distribution in which the numbers of these particles are shown in absolute terms.
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: August 16, 2022
    Assignee: HORIBA, LTD.
    Inventors: Tetsuya Mori, Hirosuke Sugasawa, Keijiro Sakuramoto, Tetsuji Yamaguchi
  • Publication number: 20220236180
    Abstract: In an analysis device that irradiates light from three or more light sources onto a cell, embodiments proposed herein prevent a reduction in the intensity of light from each light source, and are provided with at least a first light source, a second light source, and a third light source, and an optical system that guides light from the respective light sources onto a cell. The optical system is provided with a second light source optical element that reflects the light from the first light source and transmits the light from the second light source, and a third light source optical element that reflects the light from the first light source that has been reflected by the second light source optical element and the light from the second light source that has been transmitted through the second light source optical element, and transmits the light from the third light source.
    Type: Application
    Filed: June 26, 2020
    Publication date: July 28, 2022
    Applicant: HORIBA, LTD.
    Inventors: Kyoji SHIBUYA, Shota HAMAUCHI, Hiroki NISHIGAI
  • Publication number: 20220229032
    Abstract: In order to allow an analyzer to be calibrated or a sampling channel to be purged without removing a sampling probe from a sampling location, provided are a sampling channel through which an exhaust gas from an internal combustion engine flows, an analyzer that is connected to the sampling channel and analyzes the exhaust gas, a diluter provided upstream of the analyzer in the sampling channel, a recirculated channel that branches from a branch point set between the analyzer and the diluter in the sampling channel and joins the diluter, a pump that is provided in the recirculated channel and guides part of the exhaust gas from the branch point to the diluter, an additional channel that is connected to the recirculated channel or the sampling channel and through which a calibration gas or a purge gas flows, and an opening and closing mechanism provided in the additional channel.
    Type: Application
    Filed: May 25, 2020
    Publication date: July 21, 2022
    Applicant: HORIBA, LTD.
    Inventors: Yoshinori OTSUKI, Huewe FLORIAN, Kenji KONDO
  • Patent number: 11385135
    Abstract: A vehicle test device is to test performance of a vehicle or a part of the vehicle by rotating a wheel placed on a rotating body in order to reproduce an actually running state of the vehicle by controlling rotational speed of the wheel so as to make the rotational speed equal to a target value accurately, and a rotation related value that indicates rotational speed of the wheel or torque applied to the wheel is obtained, and the rotational speed of the rotating body or the torque applied to the rotating body is controlled so as to make the rotation related value equal to a predetermined target value.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: July 12, 2022
    Assignee: HORIBA, LTD.
    Inventors: Mineyuki Komada, Kazuhiro Shiomi
  • Patent number: 11374380
    Abstract: Provided is a semiconductor laser including: a core layer having an active layer and a diffraction grating layer optically coupled to the active layer; and paired clad layers arranged sandwiching the core layer, and formed with a waveguide along the core layer, and the semiconductor laser includes: a flat layer provided continuously with the diffraction grating layer along the waveguide; and a temperature control mechanism for controlling the temperature of the flat layer to a temperature different from that of the diffraction grating layer.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: June 28, 2022
    Assignee: HORIBA, Ltd.
    Inventors: Tomoji Terakado, Makoto Matsuhama, Kyoji Shibuya
  • Patent number: 11366126
    Abstract: Provided is an analysis apparatus having a control part having a preparatory action setting part for determination of whether the first and second controls are performed or the third and fourth controls are performed. The first control sets a sleep-planned part to a sleep state at a first time point when the state of non-use of the analysis apparatus has lasted for a predetermined time length, and then causes performance of a preparatory action by a first predetermined part; the second control resumes the operation of the analysis apparatus when a command signal to resume the operation is received; the third control places a sleep-planned part in a sleep state at a second time point when the state of non-use has lasted for a time length; and the fourth control causes a preparatory action of a second predetermined part to resume operation.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: June 21, 2022
    Assignee: HORIBA, Ltd.
    Inventor: Masashi Nishimori
  • Patent number: 11359997
    Abstract: A chassis dynamometer that tests a two-wheel drive vehicle includes: a driving wheel side roller on which the driving wheels of the vehicle are placed; a driven wheel side roller on which the driven wheels of the vehicle are placed; a driving wheel side power absorbing part connected to the driving wheel side roller; a driven wheel side power absorbing part connected to the driven wheel side roller; a braking force measuring part that, via the driven wheel side power absorbing part, measures braking force exerted on the driven wheel side roller; and a control part that with use of the braking force measured by the braking force measuring part, sets the control target value of the power absorbing force of the driving wheel side power absorbing part to control the driving wheel side power absorbing part.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: June 14, 2022
    Assignee: HORIBA, LTD.
    Inventors: Shinji Noguchi, Kaori Adachi
  • Patent number: 11360020
    Abstract: In order to enable concentrations of components to be measured to be accurately calculated even when higher boiling compounds are contained in a test gas, a gas analysis device that analyzes components to be measured that are contained in a test gas using a light spectrum obtained by irradiating light onto the test gas is provided with a calibration curve data storage section in which is stored first calibration curve data in which effects on concentrations of the components to be measured from higher boiling compounds whose boiling point is higher than a heating temperature of an analyzer into which the test gas has been introduced have been corrected, and with a concentration calculation section that calculates concentrations of components to be measured using the first calibration curve data.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: June 14, 2022
    Assignee: HORIBA, LTD.
    Inventor: Motonobu Takahashi
  • Patent number: 11353322
    Abstract: The present invention is intended to make it easier to perform positioning of a detection device when detecting surface characteristics of a sensing object. The invention includes a detection device, a processing part, a guidance information generation part and an informing part. The detection device detects reflection light from a sensing object by irradiating light onto the sensing object. The processing part calculates surface characteristics of the sensing object by processing data from the detection device. The guidance information generation part generates information about a distance and/or an attitude of the detection device relative to the sensing object. The informing part informs the information about the distance and/or the attitude generated by the guidance information generation part.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: June 7, 2022
    Assignee: HORIBA, Ltd.
    Inventor: Eiichi Nagaoka
  • Patent number: 11327047
    Abstract: The present invention includes a first flow path through which a sample gas flows, a first analyzer that is provided in the first flow path to measure total hydrocarbon concentration in the sample gas, a second flow path through which the sample gas flows, a non-methane non-ethane cutter that is provided in the second flow path to remove the hydrocarbon components other than the methane and the ethane in the sample gas, a second analyzer that is provided downstream of the non-methane non-ethane cutter in the second flow path to measure the total methane ethane concentration of the methane and the ethane in the sample gas, and a calculation part that calculates the concentration of the hydrocarbon components other than the methane and the ethane in the sample gas with use of the total hydrocarbon concentration by the first analyzer and the total methane ethane concentration by the second analyzer.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: May 10, 2022
    Assignee: HORIBA, LTD.
    Inventors: Ryota Ochiai, Tomoshi Yoshimura, Ma Camille Corrales Lacdan
  • Patent number: 11293885
    Abstract: An analyzing apparatus includes an X-ray measurement device, an optical characteristic measurement device, and a calculation unit. The X-ray measurement device may be configured to measure fluorescent X-rays generated from the measurement object. The optical characteristic measurement device may be configured to obtain optical characteristics other than the fluorescent X-rays of one or more carbon compounds contained in the measurement object. The calculation unit may be configured to calculate information about a quantity of the one or more carbon compounds contained in the measurement object on the basis of the optical characteristics of the carbon compound(s), and correct the information about fluorescent X-rays measured by the X-ray measurement device on the basis of the information about the quantity of the carbon compound(s).
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: April 5, 2022
    Assignee: HORIBA, LTD.
    Inventors: Yusuke Mizuno, Tomoki Aoyama, Erika Matsumoto
  • Patent number: 11270878
    Abstract: A quadrupole mass spectrometer includes an ion source that ionizes a sample, a filter unit that includes a quadrupole and separates ions generated from the ion source according to mass, a detector that detects ions passing through the filter unit, a filter voltage controller that controls a filter voltage applied to the quadrupole to switch between a blocking mode in which ions entering the filter unit are not allowed to impinge on the detector and a passing mode in which ions entering the filter unit are allowed to impinge on the detector, the filter voltage including a radio-frequency voltage and a direct-current voltage, a baseline computing unit that computes a baseline based on outputs of the detector in the blocking mode, and an analyzing unit that outputs an analysis result of the sample based on outputs of the detector in the passing mode and the computed baseline.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: March 8, 2022
    Assignees: HORIBA STEC, CO., LTD., HORIBA, LTD.
    Inventors: Kohei Sasai, Kazushi Sasakura, Toshihiro Ikeyama, Takahito Inoue, Hiroshi Uchihara
  • Patent number: 11255754
    Abstract: The present invention is one that reproduces behavior close to an actual run of a vehicle in a test using a loading device, and is a specimen test apparatus that tests a specimen that is a vehicle or a part of a vehicle. The vehicle test apparatus includes: a loading device that is connected to a rotating shaft of the specimen and gives running resistance to the rotating shaft; a storage part that stores tire diameter data indicating the relationship between a running state of the specimen and a tire diameter; and a control part that, from the tire diameter data, calculates a tire diameter corresponding to a running state of the specimen, and controls the loading device with use of running resistance obtained from the calculated tire diameter.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: February 22, 2022
    Assignee: HORIBA, LTD.
    Inventor: Hiroyuki Ikeda
  • Patent number: 11243137
    Abstract: This invention is to collectively manage the timing to replace the multiple gas cylinders, and is a cylinder management system that manages multiple gas cylinders that supply a utility gas of a calibration gas to multiple gas analysis device and that comprises multiple pressure sensors that that detect a pressure of each of the multiple gas cylinders, and a management device that calculates a cylinder gas residual quantity in each gas cylinder based on the pressure detected by each pressure sensor and manages the timing to replace each gas cylinder.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: February 8, 2022
    Assignee: HORIBA, LTD.
    Inventor: Kazuya Ito
  • Publication number: 20220017067
    Abstract: The present invention makes it possible to reduce the burden on a user in vehicle testing while maintaining precision of vehicle testing, and is a vehicle testing system for testing, on a test bench, a vehicle or a test piece that is a portion of a vehicle, the vehicle testing system being provided with a camera for capturing an image of a portion of a test piece, and a control device for controlling vehicle testing on the basis of the image captured by the camera.
    Type: Application
    Filed: November 28, 2019
    Publication date: January 20, 2022
    Applicant: HORIBA, LTD.
    Inventor: Kazuki FURUKAWA