Patents Assigned to Horiba, Ltd.
  • Publication number: 20260202328
    Abstract: An optical analysis device that analyzes a target component by guiding light emitted from a light source to a measuring cell and detecting light transmitted through the measuring cell by a detector, the optical analysis device includes a moving mirror that reflects the light emitted from the light source while reciprocating, a moving mechanism that reciprocates the moving mirror, a movement control unit that controls an applied voltage or an applied current to the moving mechanism, and a cause estimation unit that estimates a cause of an abnormality affecting the moving mirror by using actual waveform data indicating an applied voltage or an applied current to the moving mechanism at each time and reference waveform data acquired in advance and indicating an applied voltage or an applied current to the moving mechanism at each time.
    Type: Application
    Filed: July 20, 2023
    Publication date: July 16, 2026
    Applicant: HORIBA, LTD.
    Inventor: Takashi SAITO
  • Patent number: 12680914
    Abstract: An exhaust gas sampling device that collects an exhaust gas emitted from a vehicle including an engine or a part of the vehicle into a sampling bag includes a main channel through which the exhaust gas flows, a main valve that opens and shuts the main channel, a dilution gas channel that is connected downstream from the main valve in the main channel and introduces a dilution gas into the main channel, a purge gas channel that branches from the dilution gas channel and has a downstream end connected downstream from the main valve in the main channel and upstream from a junction of the dilution gas channel and a purge pump that is disposed in the purge gas channel, sucks a part of the dilution gas flowing through the dilution gas channel, and delivers the sucked part as a purge gas to the main channel.
    Type: Grant
    Filed: October 3, 2022
    Date of Patent: July 14, 2026
    Assignee: HORIBA, LTD.
    Inventors: Takeshi Kimura, Kazunori Kuriaki, Masahiro Higuchi, Yoji Komatsu, Jun Tomita
  • Patent number: 12663354
    Abstract: A dilution mechanism includes: a sample line that guides the sample containing the particles to the particle size distribution measurement device; a dilution line that merges with the sample line and through which a diluent flows; a concentration adjusting unit that adjusts the concentration of the particles contained in the diluted sample; a conductivity measuring unit that measures a conductivity of the diluted sample; a control unit that controls the concentration adjusting unit to bring the conductivity measured by the conductivity measuring unit or a conductivity-related value that is a value calculated from the conductivity, to a predetermined target value.
    Type: Grant
    Filed: January 17, 2023
    Date of Patent: June 23, 2026
    Assignees: HORIBA, LTD., HORIBA ADVANCED TECHNO, CO., LTD.
    Inventors: Keijiro Sakuramoto, Tetsuya Mori, Kazunori Habu
  • Publication number: 20260160678
    Abstract: The present invention is a gas analysis device that analyzes a concentration of a measurement target component contained in a sample gas, and includes a measurement cell, a gas introduction flow path through which the sample gas is introduced into the measurement cell, a gas discharge flow path through which the sample gas is discharged from the measurement cell, a pressure sensor that measures a pressure within the measurement cell, a light source that irradiates light into the measurement cell, a concentration calculation unit that, based on a light intensity of light transmitted through the measurement cell, calculates a concentration of a measurement target component contained in the sample gas, and a concentration correction unit that, based on a pressure measured by the pressure sensor, corrects the calculated concentration of the measurement target component.
    Type: Application
    Filed: November 18, 2022
    Publication date: June 11, 2026
    Applicant: HORIBA, LTD.
    Inventors: Hiroki NISHIGAI, Takaaki HANADA, Naoki NAGURA
  • Publication number: 20260146918
    Abstract: The present invention is a test specimen testing system that tests a test specimen formed by a vehicle or a portion thereof, and tests this test specimen while reproducing the splashing generated by other vehicles traveling in the vicinity of the test specimen, and that includes a testing apparatus on which the test specimen is mounted or to which the test specimen is connected, and a splashing simulator that simulates splashing from other vehicles traveling in the vicinity of the test specimen.
    Type: Application
    Filed: November 16, 2023
    Publication date: May 28, 2026
    Applicant: HORIBA, LTD.
    Inventor: Hiroshi KAWAZOE
  • Patent number: 12636932
    Abstract: A testing system is for testing a thermal management system that is mounted on a vehicle and manages heat generated from one or a plurality of heat source components of the vehicle, and the testing system includes a simulated vehicle body that simulates a vehicle body of the vehicle, a simulated heat source body that thermally simulates the one or plurality of heat source components, a heat supply device that supplies heat to the simulated heat source body, a heat amount calculation unit that calculates a heat amount of heat generated from the one or plurality of heat source components of the vehicle during driving, and a heat source body control unit that controls the heat supply device based on the calculated heat amount to cause the simulated heat source body to thermally simulate the one or plurality of heat source components.
    Type: Grant
    Filed: July 5, 2022
    Date of Patent: May 26, 2026
    Assignee: HORIBA, LTD.
    Inventor: Seiji Hirai
  • Patent number: 12640538
    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: Grant
    Filed: December 2, 2021
    Date of Patent: May 26, 2026
    Assignee: HORIBA, LTD.
    Inventors: Makoto Matsuhama, Tomoji Terakado, Yusuke Awane
  • Patent number: 12631533
    Abstract: In order to provide an elemental analysis device that includes an electrode having a housing recess where a crucible is housed during an elemental analysis, and that is capable of making only the part of a consumed electrode tip replaceable, an elemental analysis device including a first electrode and a second electrode between which a crucible MP containing a sample is nipped, and that heats the sample by applying a current between the first electrode and the second electrode, the first electrode includes: a first electrode main body that is provided with a housing recess where the crucible MP is housed; and a first electrode tip that is provided removably to the first electrode main body in such a manner that a part thereof is exposed inside the housing recess.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: May 19, 2026
    Assignee: HORIBA, LTD.
    Inventors: Takahito Inoue, Hiroshi Uchihara, Yasushi Hirata
  • Patent number: 12625005
    Abstract: There is provided a radiation temperature measurement device that accurately measures a temperature of an object being measured, and that includes two infrared detection units that detect mutually different infrared wavelength bands, a spectral characteristics data storage unit that stores spectral characteristics data showing a transmittance and a reflectance of each of the objects being measured, and a temperature calculation unit that, based on infrared ray quantities detected by each of the two infrared detection units, and on the transmittance and reflectance of each of the objects being measured, calculates the temperature of each of the objects being measured.
    Type: Grant
    Filed: March 8, 2022
    Date of Patent: May 12, 2026
    Assignee: HORIBA, Ltd.
    Inventors: Sho Fujino, Koji Tominaga
  • Patent number: 12618987
    Abstract: A radiation detection element includes: a semiconductor part including an incidence surface to which radiations to be detected are incident; a first electrode provided on the incidence surface; and a second electrode that is provided on the incidence surface and is disposed at a position surrounding the periphery of the first electrode. The radiation detection element is a silicon drift-type radiation detection element, and is provided with an insulating protective film that covers the second electrode.
    Type: Grant
    Filed: August 18, 2022
    Date of Patent: May 5, 2026
    Assignee: HORIBA, LTD.
    Inventor: Koji Ishikura
  • Publication number: 20260116144
    Abstract: A testing system is for testing a thermal management system that is mounted on a vehicle and manages heat generated from one or a plurality of heat source components of the vehicle, and the testing system includes a simulated vehicle body that simulates a vehicle body of the vehicle, a simulated heat source body that thermally simulates the one or plurality of heat source components, a heat supply device that supplies heat to the simulated heat source body, a heat amount calculation unit that calculates a heat amount of heat generated from the one or plurality of heat source components of the vehicle during driving, and a heat source body control unit that controls the heat supply device based on the calculated heat amount to cause the simulated heat source body to thermally simulate the one or plurality of heat source components.
    Type: Application
    Filed: July 5, 2022
    Publication date: April 30, 2026
    Applicant: HORIBA, LTD.
    Inventor: Seiji HIRAI
  • Patent number: 12612060
    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: Grant
    Filed: February 3, 2022
    Date of Patent: April 28, 2026
    Assignee: HORIBA, LTD.
    Inventors: Philip Roberts, Kunio Tabata, Steven Whelan, Aaron Headley
  • Publication number: 20260110596
    Abstract: The present invention is a test specimen testing system for testing a test specimen that is a vehicle or a part of the vehicle having the ADAS or the AD, including a dynamometer for causing the test specimen to perform simulation traveling, a surrounding environment input device that inputs a surrounding environment to the test specimen, and an autonomous driving robot that performs a brake operation, an accelerator operation, or a steering wheel operation of the test specimen. Based on an input from the surrounding environment input device, the test specimen testing system links, using the autonomous driving robot, an active traveling state in which the test specimen actively travels by the ADAS or the AD and a passive traveling state in which the test specimen passively travels by the brake operation, the accelerator operation, or the steering wheel operation.
    Type: Application
    Filed: September 21, 2023
    Publication date: April 23, 2026
    Applicant: HORIBA, LTD.
    Inventors: Yoji KOMATSU, Yuji YOSHINAKA, Satoshi KOYAMA
  • Patent number: 12590890
    Abstract: Presented is a sample gas analysis device that reduces a measurement error due to a coexistence influence of another measurement target component different from the measurement target component, analyzes a concentration of a plurality of measurement target components in a sample gas by performing multivariate analysis using a spectroscopic spectrum obtained by irradiating the sample gas with light, and includes a library data storage configured to store library data including a plurality of spectrum data corresponding to a plurality of the measurement target components used for the multivariate analysis, and a concentration calculator configured to calculate the concentration of the plurality of measurement target components in the sample gas by the multivariate analysis using the plurality of library data stored in the library data storage.
    Type: Grant
    Filed: May 25, 2020
    Date of Patent: March 31, 2026
    Assignee: HORIBA, LTD.
    Inventor: Jorge Eduardo Lamas De Anda
  • Patent number: 12553873
    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: Grant
    Filed: May 25, 2020
    Date of Patent: February 17, 2026
    Assignee: HORIBA, LTD.
    Inventors: Yoshinori Otsuki, Huewe Florian, Kenji Kondo
  • Publication number: 20260043714
    Abstract: The present invention is a verification-cycle generation method for generating a verification cycle for vehicle development, the verification cycle being a realistic one and satisfying boundary conditions for a plurality of vehicles, wherein a plurality of datasets concerning a drive cycle are input, the plurality of datasets are individually clustered and classified into a plurality of data groups, a plurality of verification cycles concerning vehicle development are generated on the basis of the plurality of clustered data groups, each of the plurality of verification cycles is carried out through simulation or with an actual machine, and a representative cycle that best satisfies user-defined criteria is selected from among the plurality of verification cycles.
    Type: Application
    Filed: July 4, 2023
    Publication date: February 12, 2026
    Applicant: HORIBA, LTD.
    Inventors: Luke BATES, Kunio TABATA, Philip ROBERTS, Steven WHELAN
  • Publication number: 20260036517
    Abstract: Included are a light-emitting unit that irradiates a specimen having a film-like shape and having optical transparency with the inspection light, a scattered light detection unit that detects scattered light from the specimen, a diffracted light detection unit that detects diffracted light from the specimen, and a signal processing unit that determines the presence of a contaminant attached to the specimen and the presence of a pinhole formed in the specimen, on the basis of a scattered light intensity signal from the scattered light detection unit and a diffracted light intensity signal from the diffracted light detection unit.
    Type: Application
    Filed: September 27, 2023
    Publication date: February 5, 2026
    Applicant: HORIBA, LTD.
    Inventors: Shota SOMEYA, Hiroshi IIDA, Toyoki KANZAKI, Kazuya NAKAGAWA
  • Patent number: 12542415
    Abstract: To suppress individual differences in intensity of output laser light for each semiconductor laser device as much as possible while suppressing generation of stray light in a package of the semiconductor laser device, provided is a semiconductor laser device used for optical analysis, including: a package that accommodates a semiconductor laser element therein; and a light reflection reducing member that is provided inside the package and suppresses reflection of light emitted from the semiconductor laser element, in which the light reflection reducing member is bonded to an inner surface of the package.
    Type: Grant
    Filed: February 21, 2022
    Date of Patent: February 3, 2026
    Assignee: HORIBA, LTD.
    Inventors: Yusuke Awane, Makoto Matsuhama, Kosuke Tsukatani, Kodai Niina, Takuya Ido
  • Patent number: 12542012
    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: Grant
    Filed: August 18, 2021
    Date of Patent: February 3, 2026
    Assignee: HORIBA, LTD.
    Inventors: Hiroyuki Ikeda, Tatsuya Yoshimura
  • Patent number: 12523581
    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: Grant
    Filed: March 24, 2021
    Date of Patent: January 13, 2026
    Assignee: HORIBA, LTD.
    Inventors: Shota Sando, Yusuke Mizuno, Jun Tomita, Hirotaka Iseki