Patents by Inventor Yusuke Nagai

Yusuke Nagai 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).

  • Publication number: 20250239395
    Abstract: A multilayer coil component includes an element body, a coil disposed in the element body, and an external electrode exposed on the element body. The external electrode is electrically connected to the coil. The element body includes a stress reduction layer positioned between the coil and the external electrode.
    Type: Application
    Filed: January 3, 2025
    Publication date: July 24, 2025
    Applicant: TDK CORPORATION
    Inventors: Yusuke NAGAI, Makoto Yoshino, Hidenobu Umeda, Shinichi Sato, Yuya Ishima, Kosuke Ito, Youhei Iida, Mitsuharu Koike, Keito Yasuda
  • Patent number: 12354785
    Abstract: A multilayer coil component includes: an element body containing a plurality of metal magnetic particles; a coil disposed in the element body; and an external electrode disposed on a surface of the element body and electrically connected to the coil. At least a part of a void part between the metal magnetic particles in the element body is filled with a first resin, the external electrode has a resin electrode containing a second resin and a conductor powder dispersed in the second resin, and the second resin connected from the resin electrode extends into the element body.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: July 8, 2025
    Assignee: TDK CORPORATION
    Inventors: Yusuke Nagai, Takashi Suzuki, Kazuhiro Ebina, Kunihiko Kawasaki, Shinichi Kondo, Yuya Ishima, Shinichi Sato, Seiichi Nakagawa, Keito Yasuda, Ryuichi Wada
  • Publication number: 20250208102
    Abstract: A monitoring analysis device includes a reaction product acquirer that sequentially acquires reaction products produced by a reaction device, an analyzer that sequentially analyzes the reaction products acquired by the reaction product acquirer, an analysis controller that causes the analyzer to execute a batch analysis in which a plurality of set analyses are sequentially executed according to a set analysis condition, and an analysis condition changer that, during execution of the batch analysis by the analyzer, and during or after execution of any analysis among the plurality of set analyses, is configured to change the set analysis condition for an analysis that is to be executed after the any analysis and is subject to a change.
    Type: Application
    Filed: December 26, 2022
    Publication date: June 26, 2025
    Applicant: SHIMADZU CORPORATION
    Inventors: Yusuke NAGAI, Yosuke IWATA
  • Publication number: 20250157724
    Abstract: In a multilayer coil component, a part filled with a resin and a void part not filled with the resin exist between a plurality of metal magnetic particles in an element body, one main surface of the element body is a mounting surface with respect to an external electronic component, and the edge of an external electrode is positioned on the mounting surface. In the element body, a high void region where the porosity caused by the void part is higher than the porosity of the other part in the element body extends from the edge of the external electrode on the mounting surface toward an end surface of the element body.
    Type: Application
    Filed: January 15, 2025
    Publication date: May 15, 2025
    Applicant: TDK CORPORATION
    Inventors: Yusuke NAGAI, Takashi SUZUKI, Kazuhiro EBINA, Kunihiko KAWASAKI, Shinichi KONDO, Keito YASUDA, Ryuichi WADA, Makoto MORITA, Takashi KUDO, Kyohei TONOYAMA
  • Patent number: 12300409
    Abstract: A multilayer coil device includes an element formed by laminating a coil conductor and a magnetic element body. The magnetic element body includes soft magnetic particles and an epoxy resin. The soft magnetic particles include soft magnetic metal particles. The epoxy resin has an epoxy value of 150 or less. The epoxy resin is filled in gap spaces between the soft magnetic particles.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: May 13, 2025
    Assignee: TDK CORPORATION
    Inventors: Shinichi Kondo, Takashi Inagaki, Ryuichi Wada, Yusuke Nagai, Takashi Suzuki
  • Patent number: 12249453
    Abstract: In a multilayer coil component, a coil is configured by electrically connecting coil conductors respectively provided in magnetic body layers constituting an element body and metal magnetic particles have a normal particle having an ellipsoidal shape and flat particles having an ellipsoidal shape flatter in a thickness direction than the normal particle. A plurality of the normal particles and at least one of the flat particles disposed such that a surface (reference surface) including a major axis direction orthogonal to the thickness direction and a minor axis direction is along the forming surface of the coil conductor in the magnetic body layer are arranged in the lamination direction of the magnetic body layers between the coil conductors.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: March 11, 2025
    Assignee: TDK CORPORATION
    Inventors: Yusuke Nagai, Kazuhiro Ebina, Kouichi Kakuda, Kunihiko Kawasaki, Shinichi Kondo, Yuya Ishima, Masaki Takahashi, Takahiro Sato, Keito Yasuda, Shingo Hattori
  • Patent number: 12243675
    Abstract: In a multilayer coil component, a part filled with a resin and a void part not filled with the resin exist between a plurality of metal magnetic particles in an element body, one main surface of the element body is a mounting surface with respect to an external electronic component, and the edge of an external electrode is positioned on the mounting surface. In the element body, a high void region where the porosity caused by the void part is higher than the porosity of the other part in the element body extends from the edge of the external electrode on the mounting surface toward an end surface of the element body.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: March 4, 2025
    Assignee: TDK CORPORATION
    Inventors: Yusuke Nagai, Takashi Suzuki, Kazuhiro Ebina, Kunihiko Kawasaki, Shinichi Kondo, Keito Yasuda, Ryuichi Wada, Makoto Morita, Takashi Kudo, Kyohei Tonoyama
  • Publication number: 20250050300
    Abstract: A synthesis system includes a first flow-path portion, a second flow-path portion, a third flow-path portion and a switcher. The first flow-path portion is connected to a first container in which a liquid raw material is containable. The second flow-path portion is connected to a second container in which a liquid raw material is containable. The third flow-path portion connects the first container and the second container to each other. To the third flow-path portion, a synthesis reaction device that produces a reactant from a liquid raw material is connected. The switcher is switchable between a flow-path state in which gas supplied by a gas supplier is guided to the first flow-path portion and a flow-path state in which gas supplied by the gas supplier is guided to the second flow-path portion.
    Type: Application
    Filed: August 3, 2024
    Publication date: February 13, 2025
    Applicants: SHIMADZU CORPORATION, WASEDA UNIVERSITY
    Inventors: Yusuke NAGAI, Yosuke IWATA, Takeo SUGA
  • Publication number: 20240404740
    Abstract: A multilayer coil component includes an element body that contains a plurality of metal magnetic particles made of a soft magnetic material, and at least two conductors that are in contact with the element body. Surfaces of the plurality of metal magnetic particles are covered by an oxide film having an insulating property, an insulating portion having an insulating property is formed in at least a part of a surface of at least one conductor of the two conductors in the conductor, and a thickness of the insulating portion is larger than a thickness of the oxide film.
    Type: Application
    Filed: April 15, 2024
    Publication date: December 5, 2024
    Applicant: TDK Corporation
    Inventors: Yusuke Nagai, Takahiro Sato, Hidenobu Umeda, Takeshi Shibayama, Shinichi Sato, Yuya Ishima, Youhei Iida, Mitsuharu Koike, Keito Yasuda, Takato Sasaki
  • Publication number: 20240394863
    Abstract: An information processing device includes an acquisition unit that acquires an image indicating a board including a name of the board and an inspection target and a position table as information indicating a correspondence relationship among the name of the board, a position of the inspection target, and a name of the inspection target, a detection unit that detects the board based on the image, detects the name of the board in an image region indicating the board, and detects the position of the inspection target based on the image region indicating the board, and an association unit that associates the board and the inspection target with each other based on the name of the board, the position of the inspection target, and the position table.
    Type: Application
    Filed: August 6, 2024
    Publication date: November 28, 2024
    Applicant: Mitsubishi Electric Corporation
    Inventors: Takahiro KASHIMA, Kotoyu SASAYAMA, Yoshie IMAI, Yusuke ITANI, Yusuke NAGAI, Yoshimi MORIYA, Atsushi HORI, Yuichi SASAKI, Shoki MIYAGAWA, Toru AOKI, Isamu OGAWA, Saki ITO, Naoyuki TSUSHIMA
  • Publication number: 20240385148
    Abstract: Included are a sample supplier (2) configured to generate a sample fluid containing gas and liquid by causing two or more kinds of fluids to react with each other and to supply the sample fluid, a gas-liquid separator (4) provided downstream of the sample supplier (2), the gas-liquid separator (4) having a separation space (24) for separating gas and liquid in the sample fluid supplied from the sample supplier (2) from each other, a gas outlet (30) for releasing the gas in the sample fluid from the separation space (24), and a liquid outlet (28) for taking out the liquid in the sample fluid from the separation space (24), a liquid channel (32;42) fluidly connected to the liquid outlet (28) of the gas-liquid separator (4), a back pressure regulator (8) provided on the liquid channel (32; 34), an analysis channel (38; 40) constituting a liquid chromatograph for analyzing the liquid separated from the gas in the gas-liquid separator (4), and a sampling part (6) configured to take out the liquid flowing through t
    Type: Application
    Filed: April 2, 2024
    Publication date: November 21, 2024
    Applicant: SHIMADZU CORPORATION
    Inventors: Yusuke NAGAI, Katsumasa SAKAMOTO, Takuya YOSHIOKA, Yosuke IWATA
  • Publication number: 20240331929
    Abstract: A coil component 1 includes an element body having a mounting surface, a coil disposed in the element body, terminal electrodes disposed on the mounting surface of the element body, and a first connection conductor and a second connection conductor connecting the coil and the terminal electrodes, respectively, in which the first connection conductor and the second connection conductor have first portions connected to the terminal electrodes, second portions connected to the coil, and third portions connecting the first portions and the second portions, respectively, and an area of a first pore per unit area in the first portion is larger than an area of a third pore per unit area in the third portion.
    Type: Application
    Filed: January 4, 2024
    Publication date: October 3, 2024
    Applicant: TDK CORPORATION
    Inventors: Keito YASUDA, Yusuke Nagai, Makoto Yoshino, Masaki Takahashi, Shinichi Sato, Yuya Ishima, Shingo Hattori, Youhei Iida, Mitsuharu Koike, Takato Sasaki
  • Publication number: 20240331911
    Abstract: A multilayer coil component includes an element body, a coil disposed in the element body, terminal electrodes disposed in the element body, and a first connection conductor and a second connection conductor that connect the coil and the terminal electrodes. A plurality of first pores are provided in the coil, a plurality of second pores are provided in the first connection conductor and the second connection conductor, and an area of the second pore per unit area in the first connection conductor and the second connection conductor is larger than an area of the first pore per unit area in the coil.
    Type: Application
    Filed: January 4, 2024
    Publication date: October 3, 2024
    Applicant: TDK Corporation
    Inventors: Yusuke Nagai, Takahiro Sato, Makoto Yoshino, Hidenobu Umeda, Masaki Takahashi, Yuya Ishima, Kosuke Ito, Keito Yasuda, Takato Sasaki, Takuya Miyashita
  • Publication number: 20240331910
    Abstract: A coil component includes an element body having a mounting surface, and a terminal electrode disposed on the mounting surface, in which at least a part of the terminal electrode is embedded in the element body, the terminal electrode has an opening penetrating the terminal electrode in a direction orthogonal to the mounting surface, and a part of the element body is disposed in the opening.
    Type: Application
    Filed: January 4, 2024
    Publication date: October 3, 2024
    Applicant: TDK CORPORATION
    Inventors: Keito YASUDA, Yusuke Nagai, Makoto Yoshino, Shinichi Sato, Yuya Ishima, Youhei IIDA, Mitsuharu Koike, Takato Sasaki
  • Patent number: 12105066
    Abstract: A preparative liquid chromatograph includes a liquid feeding pump (2) that feeds a mobile phase, an injector (4) that injects a sample into the mobile phase at a downstream of the liquid feeding pump (2), a separation column (6) for separating components in the sample injected into the mobile phase by the injector (4) at a downstream of the injector (4), and an eluate fractionator (8) configured to divide a flow of the eluate from the separation column (6) into a flow of a minute flow rate and another flow at a downstream of the separation column (6) and to extract at least a part of an eluate that forms the flow of a minute flow rate into an fractionation container (22).
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: October 1, 2024
    Assignee: SHIMADZU CORPORATION
    Inventors: Yusuke Nagai, Yohei Toji
  • Patent number: 12098998
    Abstract: Provided is a seal material having high rigidity without deformation or breakage, excellent corrosion resistance to fluid, and low solubility when used under high sealing force, and to provide a flow cell, a detector, and an analyzer in which there is no fluid leakage, contamination of the seal material components is prevented, and the replacement frequency is low. Provided are a seal material for an analyzer, including a resin and at least one layer of fiber sheet embedded in the resin, wherein the at least one layer of fiber sheet is embedded between and in substantially parallel to two seal surfaces: a first seal surface, which is one resin surface of the seal material; and a second seal surface, which is the other resin surface substantially parallel to the former one, and a flow cell, a detector, and an analyzer using the seal material.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: September 24, 2024
    Assignees: Tomoegawa Co., Ltd., SHIMADZU CORPORATION
    Inventors: Minoru Tsuchida, Akiyasu Oyaizu, Yusuke Nagai, Katsuya Okumura
  • Publication number: 20240302250
    Abstract: A liquid sampling method in a flow monitoring system including a sampling section having a needle for performing sampling of a liquid, an analysis section that performs analysis of the liquid sampled by the sampling section, and a fluid supply section that supplies a sample fluid in a state of gas-liquid two-phase flow containing a gas phase and a liquid phase with the sample remaining in the state of gas-liquid two-phase flow. The liquid sampling method includes: a storage step of storing, in the storage container, a liquid phase contained in the sample fluid; a separation step of separating, from a liquid phase, a gas phase contained in the liquid phase stored in the storage container; and an injection step of suctioning, as a sample, the liquid phase stored in the storage container from a distal end of the needle after the separation step and injecting a predetermined amount of the sample into the analysis section through the injection port.
    Type: Application
    Filed: March 4, 2024
    Publication date: September 12, 2024
    Applicants: SHIMADZU CORPORATION, DIRECTOR GENERAL OF NATIONAL INSTITUTE OF HEALTH SCIENCES
    Inventors: Takuya YOSHIOKA, Yosuke IWATA, Yusuke NAGAI, Katsumasa SAKAMOTO, Takuji SHODA, Tomoaki SAKAMOTO
  • Patent number: 12087484
    Abstract: A multilayer coil component includes an element body including a plurality of metal magnetic particles, and a plurality of coil conductors. The plurality of coil conductors is disposed in the element body. The plurality of coil conductors is separated from each other in a predetermined direction and electrically connected to each other. The plurality of coil conductors includes one pair of side surfaces opposing each other in the predetermined direction. Surface roughness of the one pair of side surfaces is less than 40% of an average particle size of the plurality of metal magnetic particles.
    Type: Grant
    Filed: June 6, 2023
    Date of Patent: September 10, 2024
    Assignee: TDK CORPORATION
    Inventors: Shinichi Sato, Takahiro Sato, Yusuke Nagai, Mitsuharu Koike, Kazuhiro Miura, Seiichi Nakagawa, Shinichi Kondo, Takashi Suzuki
  • Publication number: 20240294707
    Abstract: A compound, a composition, a surface treatment agent, and a coating liquid capable of forming a surface layer excellent in wear resistance, an article having a surface layer excellent in wear resistance, and a method for producing the article are provided. The compound has a fluoropolyether chain and a group represented by the following formula (g1). where Rg1 is an alkylene group in which an atom having a connecting bond * may be an etheric oxygen atom and that may contain an etheric oxygen atom between carbon-carbon atoms, Rg1 containing a carbon chain with at least 9 carbon atoms linked together, Tg1 is —SiRa1z1Ra23-z1, and other symbols are as described in the specification.
    Type: Application
    Filed: April 26, 2024
    Publication date: September 5, 2024
    Applicant: AGC INC.
    Inventors: Yusuke TOMIYORI, Yusuke NAGAI, Takuya IWASE, Koki WATANABE, Hikaru ONO
  • Publication number: 20240242883
    Abstract: A method for manufacturing a coil component including an element body, and a coil disposed inside the element body and including a first coil conductor and a second coil conductor having different shapes, the method comprises: applying a first photosensitive conductive paste on a substrate and exposing the first photosensitive conductive paste to light with a pattern corresponding to the first coil conductor to form a first curing pattern; after the forming of the first curing pattern, applying a second photosensitive conductive paste on the first photosensitive conductive paste and exposing the second photosensitive conductive paste to light with a pattern corresponding to the second coil conductor to form a second curing pattern; after the forming of the second curing pattern, developing portions of the first photosensitive conductive paste and the second photosensitive conductive paste that were not exposed; and after the developing, adding an insulating material on the substrate.
    Type: Application
    Filed: January 11, 2024
    Publication date: July 18, 2024
    Applicant: TDK Corporation
    Inventors: Yuya ISHIMA, Kenji KOMORITA, Shingo HATTORI, Yoji TOZAWA, Masaki TAKAHASHI, Hidenobu UMEDA, Yusuke NAGAI, Akihiko OIDE