Patents Assigned to Horiba, Ltd.
  • Publication number: 20240035934
    Abstract: In order to make it possible to measure a brake dust amount and the like even when a main flow rate is fluctuated, a brake dust measurement device that measures brake dust generated from a brake includes: a main flow path through which a sample gas containing the brake dust flows; a sampling flow path that is connected to a sampling point set in the main flow path and collects a part of the sample gas; and a flow rate control mechanism that controls a sampling flow rate that is a flow rate in the sampling flow path such that the sampling flow rate coincides with a flow rate proportional to a main flow rate that is a flow rate in the main flow path.
    Type: Application
    Filed: November 12, 2021
    Publication date: February 1, 2024
    Applicants: HORIBA, LTD., HORIBA Europe GmbH
    Inventors: Yoshinori OTSUKI, Joel DANZER, Dmytro LUGOVYY
  • Publication number: 20240034339
    Abstract: The present invention aims to improve the efficiency of automobile development by front loading the evaluation of an on-road driving test, and comprises a virtual evaluation step of simulating the on-road driving test using a driving environment model which models a driving environment, an operating state model which models an operating state, and a vehicle model which models the actual vehicle; a bench test evaluation step of imitating the on-road driving test by combining a part or all of the actual vehicle, a part or all of the vehicle model, a part or all of the driving environment model, and a part or all of the operating state model, and conducting a bench test of a part or all of the actual vehicle, and an on-road driving test evaluation step of conducting the on-road driving test of the actual vehicle in a real driving environment.
    Type: Application
    Filed: February 3, 2022
    Publication date: February 1, 2024
    Applicant: HORIBA, LTD.
    Inventors: Philip ROBERTS, Kunio TABATA, Steven WHELAN, Aaron HEADLEY
  • Publication number: 20240030683
    Abstract: The present invention enables single mode light to be stably output while also enabling the intensity thereof to be increased, and is a distributed feedback type of semiconductor laser element in which a diffraction grating is formed on a waveguide. The waveguide includes a diffraction grating portion where the diffraction grating is formed, and a flat portion having a region where the diffraction grating is not formed and whose width is broader than the diffraction grating portion. The flat portion has a connecting portion having a region whose width changes continuously approaching a connection location with the diffraction grating portion, and a high-reflection film is provided on an end surface of the flat portion that is on an opposite side from the connecting portion, while an anti-reflection film is provided on an end surface of the diffraction grating portion that is on an opposite side from the connecting portion.
    Type: Application
    Filed: December 2, 2021
    Publication date: January 25, 2024
    Applicant: HORIBA, LTD.
    Inventors: Makoto MATSUHAMA, Tomoji TERAKADO, Yusuke AWANE
  • Patent number: 11879822
    Abstract: To enable the particle size distribution of a measurement target to be accurately measured regardless of the presence of a particle which is similar in shape to the measurement target and which is not the measurement target, a particle size distribution measuring device includes an image processing unit that receives image data obtained by capturing an image of a particle group including a first particle and a second particle of a type different from the first particle, at least the first particle being translucent; and a particle discriminating unit that discriminates whether a particle depicted in the image is the first particle or the second particle on the basis of light and dark regions that appear as a result of refraction of light passing through the particle.
    Type: Grant
    Filed: May 27, 2019
    Date of Patent: January 23, 2024
    Assignee: HORIBA, LTD.
    Inventors: Hisashi Akiyama, Tetsuya Mori, Eiichi Nagaoka
  • Publication number: 20230417660
    Abstract: The present invention is a gas analysis device that measures a concentration or partial pressure of a halide contained in a material gas used in semiconductor manufacturing process or a by-product gas generated in semiconductor manufacturing process with good accuracy, the device being for analyzing a concentration or partial pressure of a halide contained in a material gas used in a semiconductor manufacturing process or a by-product gas generated in a semiconductor manufacturing process, the device including a gas cell into which the material gas or the by-product gas is introduced, a laser light source that irradiates the gas cell with laser light whose wavelength is modulated, a light detector that detects the laser light transmitted through the gas cell, and a signal processing unit that calculates the concentration or partial pressure of the halide by using a light absorption signal obtained from an output signal of the light detector.
    Type: Application
    Filed: November 22, 2021
    Publication date: December 28, 2023
    Applicants: HORIBA STEC, Co., Ltd., HORIBA, LTD.
    Inventors: Yuhei SAKAGUCHI, Masakazu MINAMI, Kyoji SHIBUYA, Motonobu TAKAHASHI
  • Publication number: 20230401904
    Abstract: A test system for testing a test piece that is a vehicle or a part of the vehicle including a sensor and an electronic control device including a vehicle diagnostic function that acquires an output signal from the sensor, and that makes a diagnosis of the vehicle or the part of the vehicle, the test system includes a simulation signal generation device that is provided on a line between the sensor and the electronic control device, and that outputs a simulation signal simulating an output signal from the sensor to the electronic control device, a control unit that controls the simulation signal generation device to generate a simulation signal, and a storage unit that stores therein the generated simulation signal and an output signal that is output from the electronic control device in response to an input of the simulation signal, in a manner associated with each other.
    Type: Application
    Filed: August 18, 2021
    Publication date: December 14, 2023
    Applicant: HORIBA, LTD.
    Inventors: Hiroyuki IKEDA, Tatsuya YOSHIMURA
  • Publication number: 20230375503
    Abstract: A gas analysis device that comprises a first flow channel through which a sample gas flows, a first analyzer that is arranged in the first flow channel and that performs wet-measurement of a total hydrocarbon concentration in the sample gas, a second flow channel through which the sample gas flows, a non-methane cutter that is arranged in the second flow channel and that removes a hydrocarbon component other than methane in the sample gas, a second analyzer that is arranged downstream of the non-methane cutter in the second flow channel and that performs dry-measurement of a concentration of methane in the sample gas, and a calculation section that calculates a concentration of the hydrocarbon component other than methane in the sample gas using the total hydrocarbon concentration obtained by the first analyzer and a corrected concentration of methane, which is a moisture corrected methane concentration, obtained by the second analyzer.
    Type: Application
    Filed: October 6, 2021
    Publication date: November 23, 2023
    Applicant: HORIBA, LTD.
    Inventors: Ryota OCHIAI, Tomoshi YOSHIMURA, Ma Camille Corrales LACDAN
  • Publication number: 20230366827
    Abstract: An exhaust gas analysis device analyzes exhaust gas generated when fuel is combusted. This exhaust gas analysis device includes a first analyzer that measures a concentration of a component to be measured in the exhaust gas, a second analyzer that measures a concentration of CO2 in the exhaust gas, a storage portion that stores a hydrogen/carbon ratio, which is a ratio between hydrogen and carbon composing the fuel, or an input receiving portion that receives an input of the hydrogen/carbon ratio, a moisture concentration estimating portion that, based on the measured CO2 concentration and on the hydrogen/carbon ratio of the fuel, estimates a concentration of moisture in the exhaust gas, and a correcting portion that, based on the estimated moisture concentration, corrects the measured concentration of the component to be measured.
    Type: Application
    Filed: September 22, 2021
    Publication date: November 16, 2023
    Applicant: HORIBA, LTD.
    Inventors: Tomohiko ISHIZAKI, Tomoshi YOSHIMURA
  • Publication number: 20230338994
    Abstract: In order to obtain a contaminant removal device capable of improving contaminant removal performance regardless of a structure formed on a surface of an object, in the contaminant removal device, contaminant attached to the object is removed by a gas sprayed out of a nozzle having a gas outlet, and an aperture ratio of opposing end portions of the gas outlet is set smaller than an aperture ratio of a central portion of the gas outlet.
    Type: Application
    Filed: August 26, 2021
    Publication date: October 26, 2023
    Applicants: DENSO CORPORATION, HORIBA, LTD.
    Inventors: Takanori NAKAMURA, Daisaku SUGI, Daisuke UKI, Takahiro KAWANO, Toyoki KANZAKI
  • Publication number: 20230296501
    Abstract: An analysis device analyzes a measurement sample based on spectral data obtained from that measurement sample. This analysis device includes a correlation data storage portion that stores correlation data that shows a correlation between spectral data for a reference sample in which total analysis values for a predetermined plurality of components are already known, and a total analysis value of the reference sample, and a calculation main unit that applies the correlation data stored in the correlation data storage portion to the spectral data obtained from the measurement sample, and then calculates the total analysis values of the predetermined plurality of components contained in the measurement sample. The reference sample includes a first reference sample that contains the predetermined plurality of components, and a second reference sample that is consisting of either one or a plurality of the components contained in the first reference sample.
    Type: Application
    Filed: May 10, 2021
    Publication date: September 21, 2023
    Applicant: HORIBA, LTD.
    Inventors: Hirotaka YABUSHITA, Makoto NAGAOKA
  • Patent number: 11764542
    Abstract: The present invention is intended to reduce variations in oscillation wavenumber of a semiconductor laser element due to the influence of circumferential temperatures. The invention includes a semiconductor laser semiconductor laser element, a temperature control part to control a temperature of the semiconductor laser element, a temperature sensor to detect a temperature of the temperature control part, and a temperature control device to control a supply signal to the temperature control part so that a detected temperature obtained from the temperature sensor reaches a predetermined target temperature. The temperature control device changes a target temperature for the temperature control part depending on a supply signal to the temperature control part.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: September 19, 2023
    Assignee: HORIBA, LTD.
    Inventors: Yusuke Awane, Katsumi Nishimura, Kyoji Shibuya
  • Patent number: 11719627
    Abstract: A calibration curve setting method used at the time of quantitatively analyzing specific components in a drug by a transmission Raman spectrum, the method comprising the steps of: obtaining respective transmission Raman spectra of a plurality of different wave number ranges including Raman hands corresponding to the specific components of a plurality of known drugs of which concentrations or amounts of the specific components are known and the concentrations or the amounts are different from each other; calculating candidate calibration curves which are candidates for calibration curves used for the quantitative analysis respectively from a plurality of transmission. Raman spectra in each of the wave number ranges; and using the most probable candidate calibration curve as a calibration curve for the quantitative analysis of the specific components, among the respective candidate calibration curves.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: August 8, 2023
    Assignee: HORIBA, LTD.
    Inventors: Eishi Iso, Shinsuke Kashiwagi
  • Publication number: 20230204475
    Abstract: A dilution gas mixing unit that is used in an exhaust gas analysis system that analyzes the mixed gas obtained by diluting an exhaust gas with the dilution gas, and mixes the dilution gas with the exhaust gas is provided with a dilution gas supply pipe that is connected to an exhaust gas introduction pipe into which the exhaust gas is introduced and supplies the dilution gas to the exhaust gas introduction pipe, a dilution gas sampling unit that is provided in the dilution gas supply pipe and collects the dilution gas, and a backflow prevention member that is provided closer to the exhaust gas introduction pipe than the dilution gas sampling unit in the dilution gas supply pipe and prevents the mixed gas from flowing backward through the dilution gas supply pipe.
    Type: Application
    Filed: July 1, 2021
    Publication date: June 29, 2023
    Applicant: HORIBA, LTD.
    Inventors: Masaaki YASUDA, Hiromitsu IZUMI, Takeshi KIMURA, Masahiro HIGUCHI
  • Publication number: 20230204498
    Abstract: The invention is for measuring the concentration of a target component accurately, and is an analysis device that analyzes a target component included in a sample. The analysis device includes a light source that outputs the reference light toward the sample, a photodetector that detects an intensity of sample light that is the reference light having transmitted through the sample, a parameter determining unit that determines a parameter representing a change in a light absorption spectrum of the target component or a change in a light absorption spectrum of an interference component, the change being caused by a coexisting component included in the sample or by a wavelength shift of the reference light, and a concentration calculating unit that calculates a corrected concentration of the target component, by using the parameter representing the change in the light absorption spectrum.
    Type: Application
    Filed: May 25, 2021
    Publication date: June 29, 2023
    Applicant: HORIBA, LTD.
    Inventor: Kyoji SHIBUYA
  • Publication number: 20230194385
    Abstract: The present invention is to evaluate a steering function of a test piece which is a vehicle having an automatic steering function or a part thereof on a chassis dynamometer, and is a vehicle testing system that performs a running test of a test piece which is a vehicle having an automatic steering function or a part thereof. The vehicle testing system includes a chassis dynamometer for performing a running test of the test piece, and a steering reaction force inputting device that inputs a steering reaction force to a steering rack gear of the test piece with a tie rod being removed, in which the steering reaction force is input to the test piece traveling on the chassis dynamometer to evaluate the steering function of the test piece.
    Type: Application
    Filed: March 10, 2021
    Publication date: June 22, 2023
    Applicant: HORIBA, LTD.
    Inventors: Hiroshi KAWAZOE, Naoji UENO, Yoshiharu GOSHIMA
  • Publication number: 20230150393
    Abstract: An example embodiment includes a large observation device that observes the object using a quantum beam; a reproduction device that is installed in the large observation device and reproduces an input to the object in a state where the object can be observed by the large observation device; a dynamic state observation device that observes a dynamic state of a functional object functioning by a combination of a plurality of elements; a first information acquisition unit that functionally decomposes the functional object up to an element corresponding to the object and acquires first information that is input information to the element corresponding to the object; and a transmission unit that transmits the first information to the reproduction device, in which the reproduction device reproduces the input to the object on the basis of the first information.
    Type: Application
    Filed: March 25, 2021
    Publication date: May 18, 2023
    Applicants: NISSAN ARC, LTD., HORIBA, LTD.
    Inventors: Takashi MATSUMOTO, Hideto IMAI, Masashi MATSUMOTO, Ankur BALIYAN, Yasunari HANAKI, Keijiro IWAO, Jun HIROSE, Hiroshi HATAKEYAMA
  • Publication number: 20230150504
    Abstract: The present invention is intended to make it possible to automatically drive a test object without performing pre-learning for a running performance map for each vehicle. There is provided an automatic test object driving device that automatically drives a test vehicle based on a command vehicle speed, and that includes a driving actuator for performing driving operation of the test vehicle, and a driving control unit for controlling the driving actuator. The driving control unit includes a first accelerator map and a second accelerator map each of which indicates a relationship among a vehicle-speed-related value, an acceleration-related value, and an accelerator-depression-amount-related value. The driving control unit uses the first accelerator map to determine an accelerator depression amount corresponding to the command vehicle speed, and uses the second accelerator map to correct the accelerator depression amount by feeding back a vehicle speed and an acceleration of the test vehicle.
    Type: Application
    Filed: February 24, 2021
    Publication date: May 18, 2023
    Applicant: HORIBA, LTD.
    Inventors: Yoshitake ANDO, Takashi SAITO
  • Publication number: 20230123798
    Abstract: To uniformly dilute particulate matter contained in a sample gas, a diluter includes an inflow portion, a mixing portion, a discharge portion, a connection portion, and an introduction portion. The inflow portion allows a sample gas to flow in. The mixing portion has an inner diameter larger than that of the inflow portion, and mixes the sample gas with a dilution gas to generate a diluted sample gas. The discharge portion discharges the diluted sample gas. The connection portion has a first tapered part whose inner diameter increases from a side connected to the inflow portion toward a side connected to the mixing portion. The introduction portion introduces the dilution gas into an internal space from a position downstream of the connection between the first tapered part and the inflow portion.
    Type: Application
    Filed: March 24, 2021
    Publication date: April 20, 2023
    Applicant: HORIBA, LTD.
    Inventors: Shota SANDO, Yusuke MIZUNO, Jun TOMITA, Hirotaka ISEKI
  • Publication number: 20230123299
    Abstract: The present invention enables the measuring and evaluating of variations in vehicle fuel consumption and emission test results due to differences in driving style. An automatic operation device that automatically operates a test part based on a command vehicle speed includes a receiving unit, a command vehicle speed shaping unit, and an operation control unit. The receiving unit receives a driving mode set or changed by a user. The command vehicle speed shaping unit shapes a command vehicle speed r(t) based on the driving mode received by the receiving unit. The operation control unit controls an operation of the test part by a shaped command vehicle speed r?(t) obtained by the command vehicle speed shaping unit.
    Type: Application
    Filed: March 16, 2021
    Publication date: April 20, 2023
    Applicant: HORIBA, LTD.
    Inventors: Takashi SAITO, Kazuki FURUKAWA
  • Patent number: 11519823
    Abstract: A vehicle testing device including a cooling device, which is capable of freely selecting a part to be cooled and a wind direction in accordance with a purpose of a test is provided. The vehicle testing device that tests a test piece that is a vehicle or a part of the vehicle includes a rotating body on which the test piece is placed, and a cooling device that sends air from a side of the test piece to at least a part of the test piece in order to cool the test piece placed on the rotating body.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: December 6, 2022
    Assignee: HORIBA, LTD.
    Inventors: Takashi Nagayama, Kaori Adachi, Dongkai Zhang