Patents Assigned to Horiba, Ltd.
  • Patent number: 11187628
    Abstract: To measure an internal state of an engine, for example, the engine oil consumption conveniently and correctly, an inspection apparatus of the present invention for inspecting the internal state of the engine by using an exhaust gas of the engine including engine oil includes a data storage unit that stores content information about a plurality of elements contained in the engine oil, a data acceptance unit that accepts analysis information about a plurality of elements contained in the exhaust gas, and an inspection unit that compares the content information about the engine oil with the analysis information to inspect the internal state of the engine.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: November 30, 2021
    Assignee: HORIBA, LTD.
    Inventors: Ikue Takagi, Takashi Matsuyama
  • Patent number: 11187641
    Abstract: The present invention reduces the effects from variations in the outside air pressure on particle number counting, and is provided with an exhaust gas processing unit that performs predetermined processing on exhaust gas, a particle number counting unit that counts a number of particles contained in exhaust gas that has passed through the exhaust gas processing unit, a fluid resistance element that is provided downstream from the particle number counting unit, a suction pump that is provided downstream from the fluid resistance element, a gas supply path that is connected to a flow path between the fluid resistance element and the suction pump, and supplies gas to a downstream side of the fluid resistance element, and a flow rate adjustment unit that is provided on the gas supply path, and adjusts a flow rate of the gas that is supplied to the downstream side of the fluid resistance element.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: November 30, 2021
    Assignee: HORIBA, LTD.
    Inventors: Rahman Montajir, Yoshinori Otsuki
  • Patent number: 11169068
    Abstract: A particle size distribution measurement device contains a specific particle size light intensity calculation unit that calculates a light intensity generated by particles having a specific particle size that are contained in an object, a correlation data storage unit that stores particle number-light intensity correlation data, and a particle number calculation unit that calculates the number of particles having a specific particle size that are contained in the object being measured based on light intensities calculated by the specific particle size light intensity calculation unit, and on the particle number-light intensity correlation data.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: November 9, 2021
    Assignee: HORIBA, LTD.
    Inventors: Tetsuji Yamaguchi, Keijiro Sakuramoto, Tetsuya Mori, Hirosuke Sugasawa
  • Patent number: 11168629
    Abstract: The present invention is one that accurately measures an exhaust gas component regardless of variation in atmospheric pressure around a test object that is a vehicle or part of it, and an exhaust gas analysis apparatus that measures component concentration in exhaust gas discharged from the test object that is the vehicle or part of it. The exhaust gas analysis apparatus includes: an exhaust gas detector that mixes the exhaust gas and reactive gas together and detects the resulting phenomenon; a pressure gauge that measures the atmospheric pressure at the time of measurement of the exhaust gas or pressure at a predetermined point inside the exhaust gas analysis apparatus as measured pressure; and a correction part that, on the basis of the measured pressure by the pressure gauge, corrects the measurement error of the exhaust gas detector associated with a variation in the supply amount of the reactive gas.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: November 9, 2021
    Assignee: HORIBA, LTD.
    Inventors: Naoto Mizutani, Masahiro Nishikawa, Haruhisa Mohara, Shun Fukami, Yosuke Kondo
  • Patent number: 11131639
    Abstract: To more accurately output a signal related to a source of particulate matter floating in the atmosphere, an analyzer is equipped with a mass concentration measuring unit, an element analysis unit, and a source-related signal output unit. The mass concentration measuring unit measures the mass concentration of fine particulate matter (FP) in the atmosphere. The element analysis unit analyzes an element contained in the FP. The source-related signal output unit outputs a signal related to the source of the FP on the basis of the mass concentration measurement result from the mass concentration measuring unit, and the analysis result for the element contained in the FP from the element analysis unit.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: September 28, 2021
    Assignee: HORIBA, LTD.
    Inventors: Yusuke Mizuno, Tomoki Aoyama, Erika Matsumoto, Shunsuke Murata, Toshiyuki Michikita
  • Patent number: 11125703
    Abstract: The radiation detection device according to the present invention comprises: a sample holding unit; an irradiation unit configured to irradiate a sample held by the sample holding unit with radioactive rays; a detection unit configured to detect radioactive rays generated from the sample; a distance calculation unit configured to calculate a distance from a predetermined base point to an irradiated part, which is to be irradiated with radioactive rays, of the sample held by the sample holding unit; a size specification unit configured to specify a size of the irradiated part on the sample based on the calculated distance; and a display unit configured to display the specified size of the irradiated part.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: September 21, 2021
    Assignee: HORIBA, LTD.
    Inventors: Azusa Taroura, Kusuo Ueno
  • Patent number: 11125692
    Abstract: In a method of determining the type of each cell contained in a sample, one Raman spectrum is acquired from one undetermined cell, a plurality of degrees of matching of a Raman spectrum of the undetermined cell with respect to spectra of a plurality of principal components obtained by principal component analysis of a plurality of Raman spectra that are obtained one by one from each of a plurality of known types of cells are calculated, and a type of the undetermined cell is determined by classifying the plurality of degrees of matching based on a result obtained by classifying a plurality of principal component scores corresponding to each of the plurality of known types of cells obtained by the principal component analysis depending on the type of cells by a learning model using supervised learning.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: September 21, 2021
    Assignee: HORIBA, LTD.
    Inventors: Yoshito Okuno, Daisuke Irikura, Sakiko Akaji, Shiro Miyake
  • Patent number: 11112323
    Abstract: A brake testing system of testing a brake of a vehicle driven on a bench having a rotating body, comprises a rotation control unit that controls to make the rotating body rotate at a predetermined rotational speed, a torque acquiring unit that acquires a torque value generated on the rotating body by the brake of the vehicle being operated, a time period acquiring unit that acquires a time period during which the brake of the vehicle is operated, and a braking work load calculating unit that calculates a work load of the brake based on the rotational speed of the rotating body controlled by the rotation control unit, the torque value acquired by the torque acquiring unit, and the time period acquired by the time period acquiring unit.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: September 7, 2021
    Assignee: HORIBA, LTD.
    Inventors: Daisuke Sekine, Erika Matsumoto, Takashi Matsuyama
  • Patent number: 11112334
    Abstract: An in-vehicle exhaust gas analysis system, which is provided with a flowmeter, and an exhaust gas analyzer to analyze a concentration of a measurement target component contained in exhaust gas, includes a standard gas supply mechanism to supply a standard gas containing a predetermined component to the flowmeter and the exhaust gas analyzer. The system is configured to include a detected mass calculation section to calculate a detected mass of a predetermined component by using a flow rate obtained by the flowmeter and a concentration of the predetermined component obtained by the exhaust gas analyzer, a supply mass acquisition section to acquire a supply mass of the predetermined component supplied from the standard gas supply mechanism to the flowmeter and the exhaust gas analyzer, and a mass comparison section to compare a detected mass calculated by the mass calculation section and a supply mass acquired by the supply mass acquisition section.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: September 7, 2021
    Assignee: HORIBA, LTD.
    Inventor: Tatsuki Kumagai
  • Patent number: 11113904
    Abstract: Provided is an on-road running test system including: a running data acquisition part that successively acquires pieces of actual running data on a vehicle on which a driver performs a running test on a road; a calculation part that compares predetermined test conditions for the running test and the pieces of actual running data to calculate a driving operation style including at least one of an accelerator operation mode, a brake operation mode, and a shift operation mode for satisfying the test conditions; and a presentation part that presents the driving operation style to the driver.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: September 7, 2021
    Assignee: HORIBA, LTD.
    Inventor: Daisuke Sekine
  • Patent number: 11105719
    Abstract: A sample preprocessing device 2 is to preprocess a sample (W) analyzed by a analysis device 3 by applying heat to the sample, and comprises a heating furnace 4 that applies heat to the sample (W), a discharging port 2P2 from which the sample (W) heated by the heating furnace 4 is discharged by dropping the sample (W), and a posture restriction unit (PR) that restricts a posture of the sample (W) that drops in the discharging port 2P2.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: August 31, 2021
    Assignee: HORIBA, LTD.
    Inventors: Kohei Ikegami, Yasushi Hirata, Akihiro Hirano
  • Patent number: 11105667
    Abstract: The present invention accurately measures flow rates that have a high peak flow rate caused by pulsation, and is provided with a first flow rate converter having a first measurement range and a first response speed, a second flow rate converter having a second measurement range that is narrower on a low flow rate side than the first measurement range and has a second response speed that is slower than the first response speed, and a flow rate calculation unit that, when a flow rate contained in the second measurement range is measured, calculates the flow rate by correcting outputs from the first flow rate converter using outputs from the second flow rate converter.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: August 31, 2021
    Assignee: HORIBA, LTD.
    Inventor: Yoshinori Otsuki
  • Patent number: 11099124
    Abstract: A gas analysis apparatus includes a calibration curve data storage section designed to store N types of calibration curve data which are previously created for N types of measurement target components and obtained by correcting influences of other N?1 types of measurement target components with respect to a concentration of each of the measurement target components, and a concentration calculation section designed to calculate a concentration of each of the measurement target components by using the N types of calibration curve data. When there exists a subthreshold component whose concentration calculated by the concentration calculation section is not more than a predetermined threshold value, the concentration calculation section calculates a concentration of each of the measurement target components other than the subthreshold component by using calibration curve data obtained without correcting an influence of the subthreshold component.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: August 24, 2021
    Assignee: HORIBA, LTD.
    Inventor: Motonobu Takahashi
  • Patent number: 11087876
    Abstract: The specimen analysis apparatus of the present invention comprises a measuring part; a display part; and a control part. The control part controls the measuring parts, displays on the display part an alarm display region displaying an alarm of a failure occurred in the measuring part, and a recovery operation display region displaying a recovery operation to cancel the alarm displayed in the alarm display region, and, when multiple alarms have occurred, displays multiple recovery operations to cancel them in the order of from higher priority to lower priority.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: August 10, 2021
    Assignee: HORIBA, Ltd.
    Inventor: Yutaka Dejima
  • Publication number: 20210239572
    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: Application
    Filed: July 16, 2019
    Publication date: August 5, 2021
    Applicant: HORIBA, LTD.
    Inventors: Takashi NAGAYAMA, Kaori ADACHI, Dongkai ZHANG
  • Publication number: 20210208027
    Abstract: To enable exhaust gas analysis by taking into account the influence of particulates contained in air in a test chamber, an analysis system that analyzes exhaust gas discharged from a test piece that is provided in the test chamber and that includes an engine includes a sampling unit that samples the particulates contained in the air in the test chamber, a first analyzing unit that analyzes the particulates sampled by the sampling unit, and an analysis result output unit that outputs an analysis result of the first analyzing unit.
    Type: Application
    Filed: May 21, 2019
    Publication date: July 8, 2021
    Applicant: HORIBA, LTD.
    Inventors: Takashi MATSUYAMA, Ikue TAKAGI
  • Patent number: 11056853
    Abstract: In order to form a reflection film on a rear end facet of a waveguide more easily than conventional, by etching a laminated structure formed on a substrate, a plurality of waveguides segmented in a lattice shape are formed, and a reflection film is formed on a surface of each of the waveguides for reflecting light in each of the waveguides.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: July 6, 2021
    Assignee: HORIBA, LTD.
    Inventor: Makoto Matsuhama
  • Publication number: 20210199544
    Abstract: The present invention provides a brake dust measurement system that can accurately measure an amount of brake dust produced. The brake dust measurement system, in which a specimen having a brake is placed in a chamber and which measures brake dust produced from the brake, includes a sampling unit that samples air inside the chamber, an elemental analysis unit that performs elemental analysis of sampled air sampled by the sampling unit, a storage unit that stores elemental content information of a single or multiple elements contained in the brake, and a calculation unit that calculates an amount of brake dust contained in the sampled air on the basis of elemental analysis results of the elemental analysis unit and the elemental content information.
    Type: Application
    Filed: May 15, 2019
    Publication date: July 1, 2021
    Applicant: HORIBA, LTD.
    Inventors: Kazuya TSURUMI, Takashi MATSUYAMA
  • Publication number: 20210199538
    Abstract: An on-road driving test system includes a determination condition storing unit, a vehicle speed storing unit, a predicted vehicle speed distribution calculating unit, and a determining unit. The determination condition storing unit stores a determination condition including at least a vehicle speed distribution condition for determining whether an on-road driving test is valid. The vehicle speed storing unit stores an actual measured vehicle speed actually measured at each geographical point by one or more vehicles. The predicted vehicle speed distribution calculating unit calculates a predicted vehicle speed distribution based on the actual measured vehicle speed, the predicted vehicle speed distribution being a vehicle speed distribution predicted to be obtained if a vehicle is driven on a set driving route. The determining unit determines whether the predicted vehicle speed distribution satisfies the vehicle speed distribution condition.
    Type: Application
    Filed: May 17, 2019
    Publication date: July 1, 2021
    Applicant: HORIBA, LTD.
    Inventors: Nobutaka KIHARA, Hiroyuki KITAMURA, Toshiyuki MICHIKITA, Sayaka YOSHIMURA
  • Patent number: 11047786
    Abstract: The particle size distribution measuring apparatus includes a centrifugal sedimentation measuring mechanism and a dynamic light scattering measuring mechanism. The centrifugal sedimentation measuring mechanism causes particles to settle out by rotating a measurement cell accommodating particles dispersed in a dispersion medium and detects transmitted light by irradiating light to the measurement cell to measure a first particle size distribution on a basis of a change of transmitted light intensity of the transmitted light. The dynamic light scattering measuring mechanism detects scattered light occurred upon irradiation of light to particles so as to measure a second particle size distribution based on a change of scattered light intensity of the scattered light occurred due to Brownian motion of particles.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: June 29, 2021
    Assignee: HORIBA, LTD.
    Inventor: Tetsuji Yamaguchi