Patents by Inventor Yusuke ISEKI

Yusuke ISEKI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11973185
    Abstract: Provided is a method for producing a sulfide solid electrolyte having a high purity as side reaction hardly occurs, and having a high ionic conductivity, in a simplified manner. The method is for producing a sulfide solid electrolyte containing a lithium atom, a sulfur atom, a phosphorus atom and a halogen atom, comprising separately preparing a complex (1) containing a sulfide that contains a lithium atom, a sulfur atom and a phosphorus atom, as a constituent element, and a complex (2) containing a halide that contains a lithium atom and a halogen atom, as a constituent element, and mixing the complex (1) and the complex (2).
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: April 30, 2024
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Naoya Masuda, Atsushi Yao, Akito Takashima, Takehiro Fujita, Yusuke Iseki
  • Patent number: 11949210
    Abstract: The present invention relates to a semiconductor laser device capable of reducing a measurement error of a temperature detecting element for detecting the temperature of a semiconductor laser element and accurately controlling the temperature of the semiconductor laser element. The semiconductor laser device is used for optical analysis and includes: a semiconductor laser element; a temperature detecting element that detects the temperature of the semiconductor laser element; output terminals that output the output of the temperature detecting element to the outside; wires that electrically connect the temperature detecting element and the output terminals; and a heat capacity increasing part that is provided interposed between the temperature detecting element and output terminal, and the output terminal, and contacts with at least part of the wires to increase the heat capacity of the wires.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: April 2, 2024
    Assignee: Horiba, Ltd.
    Inventors: Makoto Matsuhama, Yusuke Awane, Kimihiko Arimoto, Hirotaka Iseki, Shintaro Masuda
  • Publication number: 20240079648
    Abstract: Provided are a method of manufacturing a modified sulfide solid electrolyte, which is excellent in coating suitability when applied as a paste even if a sulfide solid electrolyte has a large specific surface area, and can efficiently exhibit an excellent battery performance, the modified sulfide solid electrolyte obtained by the manufacturing method, and an electrode combined material and a lithium ion battery which exhibit an excellent battery performance. The method includes: mixing an organic halide and an organic solvent with a sulfide solid electrolyte having a BET specific surface area of 10 m2/g or more and containing a lithium atom, a sulfur atom, a phosphorus atom, and a halogen atom; and removing the organic solvent.
    Type: Application
    Filed: January 25, 2022
    Publication date: March 7, 2024
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Nobuhito NAKAYA, Yusuke ISEKI, Tomoyuki OKUYAMA, Hiroto IDA, Toshifumi MIYAGAWA, Atsushi YAO
  • Publication number: 20240021867
    Abstract: The present invention addresses a problem of providing a production method for a sulfide solid electrolyte having a high ionic conductivity by pulverizing a sulfide solid electrolyte without complicating the production process. Provided is a production method for a crystalline sulfide solid electrolyte including mixing a raw material inclusion containing at least one selected from a lithium atom, a sulfur atom and a phosphorus atom, and a complexing agent without using a mechanical treating machine to obtain an electrolyte precursor, heating the electrolyte precursor to obtain a complex degradate, performing smoothing treatment on the complex degradate to obtain a smoothed complex degradate, and heating the smoothed complex degradate.
    Type: Application
    Filed: November 11, 2021
    Publication date: January 18, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Masayuki SHIBATA, Hiroaki YAMADA, Yusuke ISEKI
  • Publication number: 20230317920
    Abstract: Provided is a production method for a sulfide solid electrolyte capable of preventing generation of a hydrogen sulfide gas even when brought into contact with moisture while capable of preventing reduction in ionic conductivity, the method includes mixing a raw material inclusion containing at least two raw materials, the raw material inclusion contains at least one selected from a lithium atom, a sulfur atom, a phosphorus atom and a halogen atom, and the raw material inclusion contains modified P2S5. Also provided are the sulfide solid electrolyte produced by the method, an electrode mixture, a lithium ion battery, and a modified P2S5 for production of a sulfide solid electrolyte.
    Type: Application
    Filed: March 7, 2023
    Publication date: October 5, 2023
    Applicant: IDEMITSU KOSAN CO., LTD
    Inventors: Yusuke ISEKI, Atsushi Sato
  • Patent number: 11746014
    Abstract: Disclosed is a method for producing a sulfide solid electrolyte including a step of processing a slurry by at least one treatment selected from drying and heating, wherein a solid electrolyte raw material containing a lithium element, a sulfur element, a phosphorus element and a halogen element, and a complexing agent are mixed in a reactor to give a complex slurry containing a complex formed of the solid electrolyte raw material and the complexing agent, and the complex slurry is transferred into an intermediate tank equipped with a cooling device and cooled therein.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: September 5, 2023
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yusuke Iseki, Nobuhito Nakaya
  • Publication number: 20230242408
    Abstract: The present invention relates to a method for producing a lithium halide compound, capable of industrially advantageously producing a lithium halide compound having a low water content, particularly lithium bromide and lithium iodide, at a high reaction efficiency without accompanying a step of directly removing water, and the method including mixing lithium sulfide, a halogen molecule of at least one of bromine and iodine, and a first solvent; and removing the first solvent, wherein the first solvent is a solvent that dissolves a lithium halide containing the same halogen element as the halogen molecule.
    Type: Application
    Filed: May 20, 2021
    Publication date: August 3, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Yusuke ISEKI, Takashi NAKAGAWA, Toyohiko IWAI
  • Publication number: 20230223594
    Abstract: A sulfide solid electrolyte, which is able to adjust the morphology unavailable traditionally, or is readily adjusted so as to have a desired morphology, the sulfide solid electrolyte having a volume-based average particle diameter measured by laser diffraction particle size distribution measurement of 3 ?m or more and a specific surface area measured by the BET method of 20 m2/g or more; and a method of treating a sulfide solid electrolyte including the sulfide solid electrolyte being subjected to at least one mechanical treatment selected from disintegration and granulation.
    Type: Application
    Filed: March 16, 2023
    Publication date: July 13, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Masayuki SHIBATA, Hiroaki YAMADA, Nobuhito NAKAYA, Yusuke ISEKI, Minoru SENGA, Takashi HAYAKAWA, Shogo SHIMADA, Tomoyuki OKUYAMA, Koji KATO
  • Patent number: 11658337
    Abstract: A sulfide solid electrolyte, which is able to adjust the morphology unavailable traditionally, or is readily adjusted so as to have a desired morphology, the sulfide solid electrolyte having a volume-based average particle diameter measured by laser diffraction particle size distribution measurement of 3 ?m or more and a specific surface area measured by the BET method of 20 m2/g or more; and a method of treating a sulfide solid electrolyte including the sulfide solid electrolyte being subjected to at least one mechanical treatment selected from disintegration and granulation.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: May 23, 2023
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Masayuki Shibata, Hiroaki Yamada, Nobuhito Nakaya, Yusuke Iseki, Minoru Senga, Takashi Hayakawa, Shogo Shimada, Tomoyuki Okuyama, Koji Kato
  • Publication number: 20220041444
    Abstract: Disclosed is a method for producing a sulfide solid electrolyte including a step of processing a slurry by at least one treatment selected from drying and heating, wherein a solid electrolyte raw material containing a lithium element, a sulfur element, a phosphorus element and a halogen element, and a complexing agent are mixed in a reactor to give a complex slurry containing a complex formed of the solid electrolyte raw material and the complexing agent, and the complex slurry is transferred into an intermediate tank equipped with a cooling device and cooled therein.
    Type: Application
    Filed: November 20, 2020
    Publication date: February 10, 2022
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Yusuke ISEKI, Nobuhito NAKAYA
  • Publication number: 20210408581
    Abstract: [Problem] To provide a method for efficiently producing a sulfide solid electrolyte using a liquid-phase method. [Solution to Problem] A method for producing a sulfide solid electrolyte not using a pulverizer in reacting raw materials, wherein a raw material that contains lithium sulfide, a phosphorus compound and a halogen compound, and a complexing agent are stirred in a reactor while a fluid that contains the contents in the reactor is discharged outside the reactor through a discharging port arranged in the reactor and the fluid that contains the discharged contents is returned back to the reactor through a returning port arranged in the reactor to thereby make the contents-containing fluid circulate therethrough.
    Type: Application
    Filed: May 12, 2021
    Publication date: December 30, 2021
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Fumio YAMAKAWA, Masao AIDA, Yusuke ISEKI, Hiroaki YAMADA, Shinji TANAKA
  • Publication number: 20210391596
    Abstract: A solid electrolyte contains a thio-LISICON Region II-type crystal structure, where the solid electrolyte does not contain P2S64? structure. A solid electrolyte, where: (1) a signal of a thio-LISICON Region II-type crystal structure is observed in the solid 31P-NMR spectrometry, and (2) a signal of a P2S64? structure is not observed in the solid 31P-NMR spectrometry.
    Type: Application
    Filed: August 30, 2021
    Publication date: December 16, 2021
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Masayuki SHIBATA, Hiroaki YAMADA, Nobuhito NAKAYA, Yusuke ISEKI, Minoru SENGA
  • Publication number: 20210351434
    Abstract: Provided is a method for producing a sulfide solid electrolyte having a high purity as side reaction hardly occurs, and having a high ionic conductivity, in a simplified manner. The method is for producing a sulfide solid electrolyte containing a lithium atom, a sulfur atom, a phosphorus atom and a halogen atom, comprising separately preparing a complex (1) containing a sulfide that contains a lithium atom, a sulfur atom and a phosphorus atom, as a constituent element, and a complex (2) containing a halide that contains a lithium atom and a halogen atom, as a constituent element, and mixing the complex (1) and the complex (2).
    Type: Application
    Filed: May 6, 2021
    Publication date: November 11, 2021
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Naoya Masuda, Atsushi Yao, Akito Takashima, Takehiro Fujita, Yusuke Iseki
  • Patent number: 11139505
    Abstract: A method of producing a solid electrolyte having a high ionic conductivity, which adopts a liquid-phase method and suppresses the generation of hydrogen sulfide, wherein a raw material inclusion containing a lithium element, a sulfur element, a phosphorus element, and a halogen element is mixed with a complexing agent containing a compound having at least two tertiary amino groups; and an electrolyte precursor constituted of a lithium element, a sulfur element, a phosphorus element, a halogen element, and a complexing agent containing a compound having at least two tertiary amino groups.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: October 5, 2021
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Masayuki Shibata, Hiroaki Yamada, Nobuhito Nakaya, Yusuke Iseki, Minoru Senga
  • Publication number: 20210249685
    Abstract: A method of producing a solid electrolyte having a high ionic conductivity, which adopts a liquid-phase method and suppresses the generation of hydrogen sulfide, wherein a raw material inclusion containing a lithium element, a sulfur element, a phosphorus element, and a halogen element is mixed with a complexing agent containing a compound having at least two tertiary amino groups; and an electrolyte precursor constituted of a lithium element, a sulfur element, a phosphorus element, a halogen element, and a complexing agent containing a compound having at least two tertiary amino groups.
    Type: Application
    Filed: November 22, 2019
    Publication date: August 12, 2021
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Masayuki SHIBATA, Hiroaki YAMADA, Nobuhito NAKAYA, Yusuke ISEKI, Minoru SENGA
  • Publication number: 20210242496
    Abstract: A sulfide solid electrolyte, which is able to adjust the morphology unavailable traditionally, or is readily adjusted so as to have a desired morphology, the sulfide solid electrolyte having a volume-based average particle diameter measured by laser diffraction particle size distribution measurement of 3 ?m or more and a specific surface area measured by the BET method of 20 m2/g or more; and a method of treating a sulfide solid electrolyte including the sulfide solid electrolyte being subjected to at least one mechanical treatment selected from disintegration and granulation.
    Type: Application
    Filed: November 22, 2019
    Publication date: August 5, 2021
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Masayuki SHIBATA, Hiroaki YAMADA, Nobuhito NAKAYA, Yusuke ISEKI, Minoru SENGA, Takashi HAYAKAWA, Shogo SHIMADA, Tomoyuki OKUYAMA, Koji KATO