Patents Assigned to JEOL Ltd.
  • Publication number: 20240151789
    Abstract: An angle adjustment mechanism has a block, a projecting piece, and a connection mechanism. The projecting piece is fixed to a stator. The connection mechanism has elongated holes provided in the block and a shaft member provided in the projecting piece. The shaft member is inserted in the elongated holes. During a tilt angle adjustment process, the shaft member is caused to move in a sliding motion in the elongated holes. During a cooling process, the shaft member is also caused to move in a sliding motion in the elongated holes.
    Type: Application
    Filed: November 6, 2023
    Publication date: May 9, 2024
    Applicant: JEOL Ltd.
    Inventors: Fumio Hobo, Yusuke Tanimoto, Yuki Endo, Hiroki Takahashi
  • Publication number: 20240142395
    Abstract: An analyzing method using an analyzer including a wavelength-dispersive X-ray spectrometer that has an analyzing element to analyze an X-ray emitted from a specimen and detects an X-ray of energy corresponding to a position of the analyzing element. The analyzing method includes acquiring a plurality of map data by repeatedly performing a mapping analysis while changing the position of the analyzing element, the mapping analysis being an analysis to detect an X-ray of specific energy with the position of the analyzing element fixed to acquire map data while scanning the specimen with an electron beam; and generating, based on the plurality of map data, a spectrum map in which a position on the specimen and an X-ray spectrum are associated with each other.
    Type: Application
    Filed: November 1, 2023
    Publication date: May 2, 2024
    Applicant: JEOL Ltd.
    Inventors: Koki Kato, Shinya Fujita, Takanori Murano, Shigeru Honda
  • Publication number: 20240145210
    Abstract: There is provided an electron microscope capable of reducing variations of aberrations due to thermal variations. The electron microscope includes an electron optical system having a built-in aberration corrector equipped with multipole elements each for producing a multipolar field. Each multipole element includes a plurality of magnetic polepieces. Each polepiece includes a magnetic core, a first coil wound around the core, and a second coil wound around the core. The first coil and the second coil produce a first multipolar field and a second multipolar field, respectively, when energized. The first and second multipolar fields are identical in terms of symmetry.
    Type: Application
    Filed: October 30, 2023
    Publication date: May 2, 2024
    Applicant: JEOL Ltd.
    Inventors: Shigeyuki Morishita, Yu Jimbo
  • Patent number: 11965903
    Abstract: An automated analyzer includes a reagent dispensing probe that dispenses a reagent to a reaction vessel, a sample dispensing probe that dispenses a sample to the reaction vessel, a stirring rod that stirs a sample and a reagent in the reaction vessel, and a storage unit that stores special washing information including information about a condition for performing special washing to prevent sample carryover and a washing method. The automated analyzer further includes: a determination unit that determines whether the special washing is required based on information about the sample dispensed by the sample dispensing probe and the special washing information; and a controller that causes the reagent dispensing probe to dispense a wash liquid to the reaction vessel and causes the stirring rod to stir the wash liquid in the reaction vessel based on the special washing information, when the special washing is performed.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: April 23, 2024
    Assignee: JEOL Ltd.
    Inventors: Kazushige Kojima, Yoshiyuki Nakayama, Masato Nakayama, Arihiro Toyoda, Hiroo Sugimura, Yuta Ikarashi, Yasuhiro Fukumoto, Makoto Asakura
  • Patent number: 11961726
    Abstract: A first trend chart and a second trend chart are displayed along with a chromatogram. The first trend chart is generated based on a plurality of first representative value arrays obtained from a plurality of mass spectra. The second trend chart is generated based on a plurality of second representative value arrays obtained from the plurality of mass spectra. A mass spectrum stable period is determined based on the first trend chart and the second trend chart.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: April 16, 2024
    Assignee: JEOL Ltd.
    Inventor: Hirokazu Tanaka
  • Patent number: 11959844
    Abstract: There is provided a cool box for use in an automatic analyzer. The cool box has a box body and an air circulator. The box body has a receiving space capable of accommodating therein receptacles for analytes or reagents. The circulator has an intake portion, a fan, and an exhaust portion and operates to circulate air in the receiving space by rotation of the fan. The circulator further includes an inhibitor removing agent retaining portion on which a pouch is set. The pouch contains an analysis inhibitor removing agent for removing components (analysis inhibitor) which adversely affect or inhibit analysis of the analytes.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: April 16, 2024
    Assignee: JEOL Ltd.
    Inventors: Takashi Yaginuma, Kiyohiro Ishikawa, Yusuke Yamanaka
  • Patent number: 11959930
    Abstract: A measurement portion includes a containment unit including a plurality of containers containing a liquid, a dispensing unit including a dispensing probe for dispensing the liquid, and a gauging portion for gauging the liquid dispensed by the dispensing unit. An excessive immersion determination portion determines whether an immersion of the dispensing probe is excessive immersion that exceeds a predetermined range. An input portion can select and set an operation of the measurement portion to be performed after the excessive immersion determination portion determines that the immersion is excessive immersion from a plurality of modes. A measurement control portion controls the measurement portion depending on a mode set by the input portion.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: April 16, 2024
    Assignee: JEOL Ltd.
    Inventors: Makoto Asakura, Mine Yamashita, Chikashi Nakai, Kazushiro Nunokawa
  • Patent number: 11953410
    Abstract: A specimen support tool for supporting a slice prepared by using a microtome includes a specimen support member on which a groove for guiding the slice is formed.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: April 9, 2024
    Assignee: JEOL Ltd.
    Inventors: Yuji Konyuba, Tomohiro Haruta, Tomohisa Fukuda, Yuta Ikeda, Yusuke Toriumi
  • Patent number: 11946910
    Abstract: Provided are a stable triazolinedione adduct, a method for producing the same, a method for producing an ene compound, and a method for analyzing an ene compound. A triazolinedione adduct that is stable until the time of use and can be reacted while reverting to a triazolinedione compound at the time of use. Specifically, a triazolinedione adduct represented by formula (1). (In the formula, R1 is an organic group, and A is a fused ring of three or more rings including at least one aromatic ring.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: April 2, 2024
    Assignees: Tokuyama Corporation, Jeol Ltd.
    Inventors: Masahiko Seki, Seketsu Fukuzawa, Masaki Takiwaki
  • Patent number: 11927510
    Abstract: A standard calibration solution includes water, a non-alcoholic solvent that is mixed with water, and a steroid hormone, and a content of the non-alcoholic solvent is 10% by volume or more and 50% by volume or less. The standard calibration solution is used for quantitative measurement using a mass spectrometry device.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: March 12, 2024
    Assignee: JEOL Ltd.
    Inventors: Masaki Takiwaki, Seketsu Fukuzawa, Yoshikuni Kikutani, Kiyotaka Fujino, Kentaro Abe, Yoshiyuki Ito
  • Patent number: 11929754
    Abstract: There is a need to maintain or enhance the magnetic field correction accuracy of a physics package while making the physics package more compact and portable. A triaxial magnetic field correction coil is provided inside a vacuum chamber surrounding a clock transition space having atoms disposed therein. The triaxial magnetic field correction coil is formed into a shape such that it is possible to correct, for magnetic field components of three axial directions passing through the clock transition space, a constant term, a first order spatial derivative term, a second order spatial derivative term, a third or higher order spatial derivative term, or some given combination of these terms. The triaxial magnetic field correction coil can be used in, for example, a physics package for an optical lattice clock.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: March 12, 2024
    Assignees: JEOL Ltd., RIKEN
    Inventors: Shigenori Tsuji, Masao Takamoto, Hidetoshi Katori
  • Patent number: 11929238
    Abstract: At timing t0, a brake gas (raw material gas) starts to be supplied to an ion beam generator, and the brake gas is fed into a turbo molecular pump. After timing t1, a vent valve is opened intermittently to feed atmospheric air into the turbo molecular pump. The brake gas may be different from the raw material gas. The brake gas is supplied using a gas supply system.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: March 12, 2024
    Assignee: JEOL Ltd.
    Inventors: Tatsuhito Kimura, Munehiro Kozuka
  • Patent number: 11927653
    Abstract: In various embodiments of the invention, a solid sample magic angle spinning nuclear magnetic resonance (NMR) probe can utilize an appropriate inductance parent coil with a fixed capacitor and introducing an idler coil with a variable capacitor which can inductively couple to the parent coil by adjusting the variable capacitance of the idler coil. By coupling the idler coil to the parent coil in this manner a double resonance circuit can be provided without the disadvantages of prior art coils.
    Type: Grant
    Filed: June 28, 2023
    Date of Patent: March 12, 2024
    Assignee: JEOL LTD
    Inventor: Albert Zens
  • Patent number: 11914009
    Abstract: An NMR apparatus includes a depressurizing device for depressurizing an NMR probe, a gas supply device for supplying gas into the NMR probe to thereby pressurize the NMR probe, and a control device. The control device alternately repeats depressurization of the NMR probe, using the depressurizing device, and pressurization of the NMR probe, using the gas supply device. This replaces the gas in the NMR probe.
    Type: Grant
    Filed: August 11, 2022
    Date of Patent: February 27, 2024
    Assignees: JEOL Ltd., OSAKA UNIVERSITY
    Inventors: Hiroki Takahashi, Yuki Endo, Toshimichi Fujiwara, Yoh Matsuki
  • Patent number: 11894854
    Abstract: An optical lattice clock includes a clock transition space having disposed therein an atom group trapped in an optical lattice, and a triaxial magnetic field correction coil for correcting the magnetic field of the clock transition space. Additionally, in a correction space that includes the clock transition space and is larger than the clock transition space, a photoreceiver promotes the clock transition of the atom group trapped in the optical lattice and acquires a clock transition frequency distribution for the correction space. Further, a corrector corrects the magnetic field of the triaxial magnetic field correction coil on the basis of the frequency distribution measured by the photo receiver.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: February 6, 2024
    Assignees: JEOL Ltd., RIKEN
    Inventors: Shigenori Tsuji, Masao Takamoto, Hidetoshi Katori
  • Patent number: 11885825
    Abstract: An automated analyzer including: a stirring part provided with a stirring bar; a cleaning part that cleans the stirring bar; and a control unit that controls the stirring part and the cleaning part, when the control unit causes the stirring part to stir a liquid containing a specimen in a second cycle subsequent to a first cycle, the control unit performing first processing that sets a range of the stirring bar to be cleaned in the second cycle as a cleaning range R2, and when the control unit does not cause the stirring part to stir the liquid in the second cycle, the control unit performing second processing that sets a range of the stirring bar to be cleaned in at least one of the first cycle and the second cycle as a cleaning range R4 that is wider than the cleaning range R2.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: January 30, 2024
    Assignee: JEOL Ltd.
    Inventor: Makoto Asakura
  • Patent number: 11878348
    Abstract: A three-dimensional powder bed fusion additive manufacturing apparatus includes a powder application device that includes a squeegee and applies a powder material to a build plate to form a powder layer, a camera that photographs a manufactured surface of the powder layer, and a determination unit that determines whether powder application failure of the powder material has occurred using an image photographed by the camera while or immediately after the squeegee passes through the manufactured surface.
    Type: Grant
    Filed: March 9, 2022
    Date of Patent: January 23, 2024
    Assignee: JEOL Ltd.
    Inventors: Taku Hisaki, Shinichi Kitamura, Takashi Sato, Ayumu Miyakita, Kozo Koiwa, Yohei Daino, Masahiko Kawakami, Nari Tsutagawa
  • Publication number: 20230408427
    Abstract: Provided is a sample container which is for use with an X-ray fluorescence analyzer and which permits measurement of light elements in a liquid. The sample container includes a sealable first receptacle, a pressure adjusting valve for adjusting the pressure in the first receptacle, a second receptacle receiving a liquid sample (S) and having both a first opening and a second opening located inside and outside, respectively, of the first receptacle, and an analytical film closing off the second opening and transmitting X-rays.
    Type: Application
    Filed: June 19, 2023
    Publication date: December 21, 2023
    Applicant: JEOL Ltd.
    Inventors: Genki Kinugasa, Kotaro Asami
  • Publication number: 20230402252
    Abstract: A charged particle beam device acquires an image by scanning a specimen with a probe formed from a charged particle beam and detects a signal emitted from the specimen. The charged particle beam device includes an optical system that forms the probe; a control unit that repeatedly performs correction processing and image acquisition processing for acquiring a frame image; and an image processing unit that generates an image of the specimen based on a plurality of the frame images. In the correction processing, the control unit acquires a reference image, and corrects the shifting of the irradiation position of the probe. The image processing unit acquires position shift information, corrects a position shift between the frame images based on the position shift information, and generates an image of the specimen based on the plurality of corrected frame images.
    Type: Application
    Filed: June 12, 2023
    Publication date: December 14, 2023
    Applicant: JEOL Ltd.
    Inventors: Nobuyuki Ikeo, Kenichi Tsutsumi
  • Patent number: 11842880
    Abstract: An aberration value estimator has a learned estimation model for estimating an aberration value set based on a Ronchigram. In a machine learning sub-system, a simulation is repeatedly executed while changing a simulation condition, and calculated Ronchigrams are generated in a wide variety and in a large number. By machine learning using the calculated Ronchigrams, the learned estimation model is generated.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: December 12, 2023
    Assignee: JEOL Ltd.
    Inventors: Ryusuke Sagawa, Shigeyuki Morishita, Fuminori Uematsu, Tomohiro Nakamichi, Keito Aibara