Patents by Inventor Shinji Yoshida

Shinji Yoshida 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: 11990561
    Abstract: A nitride-based semiconductor light-emitting element includes: a substrate that is an example of a n-type nitride-based semiconductor including a group IV n-type impurity; and an n-side electrode in contact with the substrate. The substrate includes: a surface layer region in contact with the n-side electrode and including a halogen element; and an internal region located across the surface layer region from the n-side electrode. A peak concentration of the group IV n-type impurity in the surface layer region is at least 1.0×1021 cm?3. A peak concentration of the halogen element in the surface layer region is at least 10% of the peak concentration of the group IV n-type impurity in the surface layer region. A concentration of the group IV n-type impurity in the internal region is lower than a concentration of the group IV n-type impurity in the surface layer region.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: May 21, 2024
    Assignee: NUVOTON TECHNOLOGY CORPORATION JAPAN
    Inventors: Noboru Inoue, Shinji Yoshida
  • Publication number: 20240150946
    Abstract: Provided is a fiber structure having a high dust holding capacity. The fiber structure includes a thick fiber group composed of fibers A each having a single fiber diameter larger than 5 ?m and a thin fiber group composed of fibers B each having a single fiber diameter of 5 ?m or smaller, and has an intermingled region in which the thick fiber group and the thin fiber group are intermingled.
    Type: Application
    Filed: January 4, 2024
    Publication date: May 9, 2024
    Applicant: KURARAY KURAFLEX CO., LTD.
    Inventors: Shinji SEKIYA, Soichi OBATA, Toru OCHIAI, Tsugumi YOSHIDA, Minoru OKAMOTO
  • Publication number: 20240151412
    Abstract: Space purification device according to the present disclosure includes hypochlorous acid water generator, mixing bath, hypochlorous acid water supply unit, water supply unit, humidifying purification unit, and control unit. Control unit is configured to, after a humidifying purification operation using the mixture water has finished, perform a first washing operation of causing water supply unit to supply water to electrolytic bath and of causing hypochlorous acid water supply unit to supply water stored in electrolytic bath to mixing bath, without performing the electrolyzing.
    Type: Application
    Filed: February 24, 2022
    Publication date: May 9, 2024
    Inventors: Ikuma SHIRAI, Yuki MIZUNO, Shinji YOSHIDA, Tomohiro HAYASHI
  • Publication number: 20240128406
    Abstract: A nitride semiconductor light-emitting element includes: a nitride semiconductor that has two resonator faces opposed to each other; and a dielectric multilayer film that is layered on at least one resonator face of the two resonator faces. For example, the dielectric multilayer film layered on a resonator face includes a first dielectric film layered on the resonator face and a second dielectric film layered on the first dielectric film. The first dielectric film includes aluminum oxynitride. The second dielectric film includes aluminum oxide. The first dielectric film is a crystalline film. At least one of chemical elements of yttrium or lanthanum is added to the first dielectric film. At least one of chemical elements of yttrium or lanthanum is added to the second dielectric film.
    Type: Application
    Filed: December 21, 2023
    Publication date: April 18, 2024
    Inventors: Shinji YOSHIDA, Hideo KITAGAWA, Takahiro OKAGUCHI
  • Publication number: 20240123106
    Abstract: Space cleaning device includes: hypochlorous acid water generator; mixing bath storing a mixture of the hypochlorous acid water and water; hypochlorous acid water supply unit; water supply unit; water level sensor detecting a water level of the water mixture; humidifying purifier micronizing the water mixture and releases the water mixture micronized into air; and control unit controlling operations of hypochlorous acid water supply unit and water supply unit. Control unit is configured, after supplying the hypochlorous acid water and the water to fill mixing bath with the water mixture, controls an operation of hypochlorous acid water supply unit to supply a predetermined amount of the hypochlorous acid water to mixing bath once in every predetermined time period, and controls an operation of water supply unit to supply the water to mixing bath based on information related to the water level of the water mixture received from water level sensor.
    Type: Application
    Filed: February 24, 2022
    Publication date: April 18, 2024
    Inventors: Yuki MIZUNO, Shinji YOSHIDA, Tomohiro HAYASHI, Takeshi KINOSHITA, Yuichi KANBARA, Mayumi SASAI, Hiroshi KOHARA
  • Publication number: 20240128808
    Abstract: A stator for a rotating electric machine includes a stator core and a stator coil. The stator core is formed of a band-shaped steel sheet that is helically bent and laminated. The stator core has slots each opening at an inner periphery of the stator core and spaced from one another in a circumferential direction. The stator coil is formed of electrical conductor segments that are inserted in the slots of the stator core and connected with one another. The band-shaped steel sheet has slits each of which is formed, at a position corresponding to one of the slots, to be open to the corresponding slot. Each of the electrical conductor segments is substantially U-shaped and has a pair of leg portions respectively inserted in corresponding two of the slots of the stator core; the corresponding two slots are circumferentially apart from each other by two or more slot-pitches.
    Type: Application
    Filed: October 11, 2023
    Publication date: April 18, 2024
    Applicants: DENSO CORPORATION, DENSO PRESSTECH CO., LTD.
    Inventors: Keiji KONDO, Yuichi KUDOSE, Hirotaka KUROZAKI, Masaki OHIRA, Ryosuke MATSUMOTO, Shinji TAKESHITA, Takashi KURAMITSU, Tomohiro HASHIMOTO, Koji YOSHIDA, Katsuhiko GOTO
  • Patent number: 11958355
    Abstract: An accelerator pedal system includes a pedal lever, a lock mechanism, an actuator, and an ECU. The pedal lever operates according to a step-on operation. The lock mechanism can restrict an operation of the pedal lever. The actuator switches between a locked state in which the operation of the pedal lever is restricted by the lock mechanism and an unlocked state in which the operation of the pedal lever is not restricted. The ECU includes a lock operation determination unit and an actuator control unit. The lock operation determination unit unlocks the pedal lever when an approaching object from behind is detected during a travel of a vehicle in the locked state.
    Type: Grant
    Filed: August 23, 2022
    Date of Patent: April 16, 2024
    Assignee: DENSO CORPORATION
    Inventors: Soichi Kinouchi, Yuusuke Yoshida, Takuto Kita, Hideyuki Mori, Shinji Komatsu
  • Publication number: 20240118170
    Abstract: A vibration monitoring device includes: a rotation sensor for outputting a rotation signal synchronized with rotation of a rotational shaft; an output device for outputting a filter command value corresponding to a rotation speed of the rotational shaft calculated from the rotation signal; and at least one filter for extracting, in response to input of the rotation signal and the filter command value, a signal in a passband set according to the filter command value from the rotation signal as a vibration signal from which vibration information of the rotational shaft can be obtained.
    Type: Application
    Filed: February 15, 2022
    Publication date: April 11, 2024
    Applicant: Mitsubishi Heavy Industries Marine Machinery & Equipment Co., Ltd.
    Inventors: Tadashi Yoshida, Hidetaka Nishimura, Akifumi Tanaka, Shinji Ogawa, Isao Tomita, Tohru Suita, Ryoji Sasaki
  • Patent number: 11938815
    Abstract: An accelerator pedal system includes a pedal lever configured to perform an operation in accordance with a step-on operation, a lock mechanism configured to restrict the operation of the pedal lever, and an actuator configured to switch between a locked state in which the operation of the pedal lever is restricted by the lock mechanism and an unlocked state in which the operation of the pedal lever is free from restriction by the lock mechanism. In the accelerator pedal system, a controller configured to change an energization amount to the actuator when a disturbance is detected during a vehicle traveling in the locked state. Thus, the lock state can be suitably controlled.
    Type: Grant
    Filed: August 23, 2022
    Date of Patent: March 26, 2024
    Assignee: DENSO CORPORATION
    Inventors: Soichi Kinouchi, Yuusuke Yoshida, Takuto Kita, Hideyuki Mori, Shinji Komatsu
  • Patent number: 11935227
    Abstract: A notch detecting method for detecting a notch defined in an outer circumferential portion of a wafer includes a placing step of placing the wafer on a rotary table, an image capturing step of acquiring an image of the outer circumferential portion of the wafer, a contour data acquiring step of acquiring contour data including coordinates of a contour of the wafer, a hypothetical circle calculating step of calculating a hypothetical circle that approximates the contour of the wafer, an irregularly shaped area determining step of determining whether an irregularly shaped area exists in the outer circumferential portion of the wafer or not, and a first notch determining step of determining whether the irregularly shaped area is the notch or not.
    Type: Grant
    Filed: October 4, 2021
    Date of Patent: March 19, 2024
    Assignee: DISCO CORPORATION
    Inventors: Yasukuni Nomura, Shinji Yoshida
  • Publication number: 20240082413
    Abstract: As an antitumor drug which is excellent in terms of antitumor effect and safety, there is provided an antibody-drug conjugate in which an antitumor compound represented by the following formula is conjugated to an antibody via a linker having a structure represented by the following formula: -L1-L2-LP-NH—(CH2)n1-La-Lb-Lc- wherein the antibody is connected to the terminal of L1, and the antitumor compound is connected to the terminal of Lc with the nitrogen atom of the amino group at position 1 as a connecting position.
    Type: Application
    Filed: March 3, 2023
    Publication date: March 14, 2024
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Takeshi MASUDA, Hiroyuki NAITO, Takashi NAKADA, Masao YOSHIDA, Shinji ASHIDA, Hideki MIYAZAKI, Yuji KASUYA, Koji MORITA, Yuki ABE, Yusuke OGITANI
  • Patent number: 11905580
    Abstract: The seamless steel pipe according to the present disclosure has a chemical composition consisting of, in mass %, C: 0.15 to 0.45%, Si: 0.05 to 1.00%, Mn: 0.01 to 1.00%, P: 0.030% or less, S: 0.0050% or less, Al: 0.005 to 0.070%, Cr: 0.30 to 1.50%, Mo: 0.25 to 2.00%, Ti: 0.002 to 0.020%, Nb: 0.002 to 0.100%, B: 0.0005 to 0.0040%, rare earth metal: 0.0001 to 0.0015%, Ca: 0.0001 to 0.0100%, N: 0.0100% or less and O: 0.0020% or less, with the balance being Fe and impurities, and satisfying Formula (1) described in the description. A predicted maximum major axis of inclusions is 150 ?m or less, the predicted maximum major axis being predicted by means of extreme value statistical processing. The yield strength is within a range of 758 to 862 MPa.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: February 20, 2024
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Hiroki Kamitani, Nobuaki Komatsubara, Seiya Okada, Atsushi Soma, Yuji Arai, Shinji Yoshida
  • Patent number: 11898216
    Abstract: A seamless steel pipe heat-treatment-finishing-treatment continuous facility includes: a heat treatment apparatus; a steel pipe inspection apparatus which performs a test for a surface defect and/or an inner defect of the seamless steel pipe, the steel pipe inspection apparatus being disposed downstream of the heat treatment apparatus; a main transfer mechanism which forms a main transfer path MT for transferring the seamless steel pipe, discharged from the heat treatment apparatus, to the steel pipe inspection apparatus disposed downstream of the heat treatment apparatus; and a first forced steel pipe-temperature reduction apparatus which forcibly reduces a temperature of the seamless steel pipe on the main transfer path MT, the first forced steel pipe-temperature reduction apparatus being disposed on the main transfer path MT at a position downstream of the heat treatment apparatus and upstream of the steel pipe inspection apparatus.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: February 13, 2024
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Hiroki Kamitani, Takanori Tanaka, Atsushi Soma, Keiichi Kondo, Hideki Mitsunari, Seiya Okada, Takuya Matsumoto, Shinji Yoshida, Yuji Arai
  • Publication number: 20230402821
    Abstract: A nitride semiconductor light-emitting element includes: an N-type cladding layer; an N-side first guide layer; an N-side second guide layer; an active layer including a well layer and a barrier layer; and a P-type cladding layer. The band gap energy of the barrier layer is larger than the band gap energy of the N-side second guide layer. The band gap energy of the N-side second guide layer is smaller than the band gap energy of the N-side first guide layer. The band gap energy of the N-side first guide layer is smaller than the band gap energy of the N-type cladding layer. The cladding layers, the guide layers, and the barrier layer each comprise a nitride semiconductor including Al.
    Type: Application
    Filed: August 9, 2023
    Publication date: December 14, 2023
    Inventors: Toru TAKAYAMA, Shinji YOSHIDA
  • Publication number: 20230366070
    Abstract: The steel material according to the present disclosure contains, in mass %, C: 0.20 to 0.45%, Si: 1.36 to 3.20%, Mn: 0.02 to 1.00%, P: 0.025% or less, S: 0.0100% or less, Al: 0.005 to 0.100%, Cr: 0.20 to 1.50%, Mo: 0.36 to 1.50%, V: 0.01 to 0.90%, Ti: 0.002 to 0.050%, B: 0.0001 to 0.0050%, N: 0.0100% or less, and O: 0.0100% or less, and satisfies Formula (1). A yield strength ?YS is 758 MPa or more. The yield strength ?YS and a dislocation density ? satisfy Formula (2).
    Type: Application
    Filed: October 29, 2021
    Publication date: November 16, 2023
    Inventors: Shinji YOSHIDA, Yuji ARAI, Hiroyuki FUJI
  • Publication number: 20230330296
    Abstract: Humidifying and cleaning device of the present disclosure includes: centrifugal crushing unit that generates hypochlorous acid water micronized by a micronization operation for micronizing hypochlorous acid water stored in humidifier tank, and causes air flowing inside of the humidifying and cleaning unit to contain and release the hypochlorous acid water micronized by the micronization operation; and humidification controller that controls the micronization operation. Humidification controller is configured to perform a first treatment of draining the hypochlorous acid water stored in humidifier tank and supplying new hypochlorous acid water based on time information specified in advance during the micronization operation, that is, time information from when the micronization operation is started until a content of the hypochlorous acid contained in the hypochlorous acid water stored in humidifier tank becomes less than or equal to a reference content.
    Type: Application
    Filed: September 30, 2021
    Publication date: October 19, 2023
    Inventors: Ryousuke SUGA, Tomohiro HAYASHI, Yuki MIZUNO, Yoko ISHIDA, Shinji YOSHIDA
  • Patent number: 11773460
    Abstract: The steel pipe according to the present disclosure contains a chemical composition consisting of, in mass %, C: 0.25 to 0.50%, Si: 0.05 to 0.50%, Mn: 0.05 to 1.00%, P: 0.025% or less, S: 0.0050% or less, Al: 0.005 to 0.100%, Cr: 0.30 to 1.50%, Mo: 0.25 to 3.00%, Ti: 0.002 to 0.050%, N: 0.0010 to 0.0100% and O: 0.0030% or less, with the balance being Fe and impurities. The steel pipe contains an amount of dissolved C within a range of 0.010 to 0.050 mass %. The tensile yield strength in the axial direction and the circumferential direction is 862 to 965 MPa, and the yield ratio in the axial direction is 90% or more. The tensile yield strength in the circumferential direction is 30 to 80 MPa higher than the compressive yield strength in the circumferential direction.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: October 3, 2023
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Yuji Arai, Shinji Yoshida, Atsushi Soma, Hiroki Kamitani
  • Publication number: 20230275403
    Abstract: A manufacturing method of a nitride-based semiconductor light-emitting element includes: forming an n-type nitride-based semiconductor layer; forming, on the n-type nitride-based semiconductor layer, a light emission layer including a nitride-based semiconductor; forming, on the light emission layer in an atmosphere containing a hydrogen gas, a p-type nitride-based semiconductor layer while doping the p-type nitride-based semiconductor layer with a p-type dopant at a concentration of at least 2.0×1018 atom/cm3; and annealing the p-type nitride-based semiconductor layer at a temperature of at least 800 degrees Celsius in an atmosphere not containing hydrogen. In this manufacturing method, a hydrogen concentration of the p-type nitride-based semiconductor layer after the annealing is at most 5.0×1018 atom/cm3 and at most 5% of the concentration of the p-type dopant, and a hydrogen concentration of the light emission layer is at most 2.0×1017 atom/cm3.
    Type: Application
    Filed: May 4, 2023
    Publication date: August 31, 2023
    Inventors: Shuichi NAKAZAWA, Shinji YOSHIDA, Isao KIDOGUCHI
  • Patent number: 11643712
    Abstract: The steel pipe according to the present disclosure contains a chemical composition consisting of, in mass %, C: more than 0.50 to 0.65%, Si: 0.05 to 0.50%, Mn: 0.05 to 1.00%, P: 0.025% or less, S: 0.0050% or less, Al: 0.005 to 0.100%, Cr: 0.30 to 1.50%, Mo: 0.25 to 3.00%, Ti: 0.002 to 0.050%, N: 0.0010 to 0.0100% and O: 0.0030% or less, with the balance being Fe and impurities. The steel pipe contains an amount of dissolved C within a range of 0.010 to 0.060 mass %. The tensile yield strength in the axial direction and the circumferential direction is 862 to 1069 MPa, and the yield ratio in the axial direction is 90% or more. The tensile yield strength in the circumferential direction is 30 to 80 MPa higher than the compressive yield strength in the circumferential direction.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: May 9, 2023
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Yuji Arai, Shinji Yoshida, Atsushi Soma, Hiroki Kamitani
  • Publication number: 20230059013
    Abstract: A light source module includes a first semiconductor laser element hermetically sealed, a second semiconductor laser element hermetically sealed, and firth to fourth optical elements. A first laser beam prior to reaching the first optical element has divergence angle ?fd1 in a direction along a second optical axis and divergence angle ?sd1 in a direction along a third optical axis, and satisfy 90°>?fd1>?sd1>0°. Divergence angle ?fd12 of a first laser beam in the direction along the second optical axis decreases from divergence angle ?fd1, the first laser beam having exited the first optical element. A component of a first laser beam in the direction along the second optical axis is collimated, the first laser beam having exited the second optical element. The same applies to the second semiconductor laser element.
    Type: Application
    Filed: November 8, 2022
    Publication date: February 23, 2023
    Inventors: Masayuki HATA, Kazuhiko YAMANAKA, Kiyoshi FUJIHARA, Shinji YOSHIDA