Patents by Inventor Shigeki Yoshida

Shigeki 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).

  • Publication number: 20240035561
    Abstract: In this shift device, a worm, a detent gear, and a rotation shaft (including a detent pin) of a lever are rotated by a motor being driven, causing the lever to pivot. At all shift positions of the lever, the detent pin urges the detent gear toward a side of a meshed position between the detent gear and the worm. This enables rattling between the detent gear and the worm to be suppressed at all shift positions of the lever.
    Type: Application
    Filed: October 22, 2021
    Publication date: February 1, 2024
    Inventor: Shigeki YOSHIDA
  • Patent number: 11867380
    Abstract: A wavelength conversion member includes a support and a wavelength conversion layer including a first phosphor having a composition represented by Formula (1) and having an emission peak wavelength in a range from 550 nm to 620 nm, and a second phosphor having a different emission peak wavelength and/or a full width at half maximum from the first phosphor. An amount of the first phosphor in the wavelength conversion layer is in a range from 20 mass % to 80 mass % relative to a total amount of the phosphors In Formula (1), M1 represents at least one of rare earth elements other than La and Ce, a total molar content percentage of Y, Gd, and Lu in M1 is 90% or more, and p, q, r, and s satisfy 2.7?(p+q+r)?3.3, 0?r?1.2, 10?s?12, and 0<q?1.2.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: January 9, 2024
    Assignee: NICHIA CORPORATION
    Inventors: Shigeki Yoshida, Hiroyuki Watanabe, Eri Matsuka
  • Publication number: 20230371943
    Abstract: A suturing device includes a plurality of suture needles, a first-thread holding mechanism, a needle moving mechanism, and a thread turning structure. The thread turning structure is configured to locally turn a portion of a first thread hooked on a distal end portion of each of a plurality of suture needles in the first thread stretched in a first direction around a needle axis thereof such that the portion of the first thread extends in a direction along a third direction intersecting the first direction and a second direction, in a state where the plurality of suture needles have been moved in the second direction. Each of the plurality of suture needles has a side surface formed with a threading recessed groove extending through the side surface in the first direction in a state where each of the plurality of suture needles has been moved in the second direction.
    Type: Application
    Filed: July 31, 2023
    Publication date: November 23, 2023
    Inventors: Naokatsu Osawa, Ryuta Iijima, Masashi Ichihashi, Junji Yamano, Shigeki Yoshida
  • Publication number: 20230314020
    Abstract: An air conditioner includes a housing having a first outlet and a second outlet, a first channel communicating with the first outlet, a second channel communicating with the second outlet, a sensible heat exchanger to exchange sensible heat between a first air flowing through the first channel and a second air flowing through the second channel, a first vaporization filter to cool the first air by latent heat of water and a second vaporization filter to cool the second air by latent heat of water. The first vaporization filter is disposed downstream of the sensible heat exchanger in a flow direction of the first air. The second vaporization filter is disposed upstream of the sensible heat exchanger in a flow direction of the second air.
    Type: Application
    Filed: June 7, 2023
    Publication date: October 5, 2023
    Inventors: Yuji Sakano, Shigeki Yoshida, Manabu Shirai, Yusuke Ochiai
  • Patent number: 11773323
    Abstract: Provided is a fluorescent material with high brightness. The fluorescent material includes a nitride fluorescent material comprising La, Ce, Si, and N; and a first phosphorus compound disposed on a surface of the nitride fluorescent material. The first phosphorus compound includes at least one selected from the group consisting of lanthanum phosphate, lanthanum hydrogen phosphate, and hydrates thereof. A content of phosphorus atoms in the fluorescent material is 0.07% by mass or higher and 0.8% by mass or lower.
    Type: Grant
    Filed: January 13, 2023
    Date of Patent: October 3, 2023
    Assignee: NICHIA CORPORATION
    Inventors: Shigeki Yoshida, Takayuki Shinohara, Hiroyuki Watanabe
  • Publication number: 20230295497
    Abstract: Provided is a method for producing a nitride phosphor. The method includes obtaining a first heat-treated product having a crystallite diameter of not less than 150 nm by subjecting a compound containing at least one rare-earth element selected from the group consisting of Y, La, Ce, Lu, and Gd to heat treatment at a temperature within a range of 800° C. to 1800° C.; and obtaining a second heat-treated product by subjecting a mixture containing the first heat-treated product and a raw material contained as required to heat treatment at a temperature within a range of 1200° C. to 1800° C. The raw material contains an M source containing at least one rare-earth element M selected from the group consisting of Y, Lu, and Gd; an La source; an Si source; and a Ce source. The mixture is prepared with the raw materials such that a fed composition is represented by a Formula of LawMxSi6Ny:Cez. In this Formula, w, x, y, and z satisfy 0.5?w?4.5, 0<x?1.5, 0?y?12, 0<z?1.5, 0.15<(x+z)<3.0, and 3.0?(w+x+z)?7.5.
    Type: Application
    Filed: August 5, 2021
    Publication date: September 21, 2023
    Applicant: NICHIA CORPORATION
    Inventors: Hiroshi OGASA, Shigeki YOSHIDA, Hiroyuki WATANABE
  • Publication number: 20230246070
    Abstract: A semiconductor device including: a substrate; a channel layer that is provided on the substrate and that includes Ga and N; and a barrier layer that is provided on the channel layer and includes a first surface that faces the channel layer and a second surface opposite to the first surface, the barrier layer containing Al, N, and at least one of Ga or In; wherein an average value of an Al composition in the barrier layer is 30% or more, and wherein in an Al composition profile in the barrier layer, a slope of a first straight line connecting a first point and a second point is 20%/nm or more and 65%/nm or less.
    Type: Application
    Filed: November 22, 2022
    Publication date: August 3, 2023
    Inventor: Shigeki YOSHIDA
  • Publication number: 20230235223
    Abstract: Provided is a fluorescent material with high brightness. The fluorescent material includes a nitride fluorescent material comprising La, Ce, Si, and N; and a first phosphorus compound disposed on a surface of the nitride fluorescent material. The first phosphorus compound includes at least one selected from the group consisting of lanthanum phosphate, lanthanum hydrogen phosphate, and hydrates thereof. A content of phosphorus atoms in the fluorescent material is 0.07% by mass or higher and 0.8% by mass or lower.
    Type: Application
    Filed: January 13, 2023
    Publication date: July 27, 2023
    Applicant: NICHIA CORPORATION
    Inventors: Shigeki YOSHIDA, Takayuki SHINOHARA, Hiroyuki WATANABE
  • Publication number: 20230183566
    Abstract: Provided is a phosphor having superior light-emitting properties. A phosphor composition includes: a nitride phosphor that contains, in a composition thereof, an element M that is at least one selected from the group consisting of rare earth elements except cerium, silicon, nitrogen, and cerium; and an oxyfluoride. In the phosphor composition, a content of the oxyfluoride relative to the phosphor composition is 1.5% by mass or higher and 10% by mass or lower according to an X-ray diffraction reference intensity ratio method.
    Type: Application
    Filed: May 17, 2021
    Publication date: June 15, 2023
    Applicant: NICHIA CORPORATION
    Inventors: Shigeki YOSHIDA, Hiroyuki WATANABE, Shoji HOSOKAWA
  • Publication number: 20230160469
    Abstract: In an actuator a shaft and a motor are coupled together by a coupling mechanism. The coupling of the shaft to the motor by the coupling mechanism is released by rotational operation force on the shaft, and a parking position of a transmission is released by the shaft being rotated. There is accordingly no need for a device to release the coupling between the shaft and the motor by the coupling mechanism, enabling a simple configuration for the actuator.
    Type: Application
    Filed: March 4, 2021
    Publication date: May 25, 2023
    Inventors: Shigeki YOSHIDA, Yuji OSA
  • Publication number: 20230105888
    Abstract: A method of manufacturing a semiconductor device comprises steps of: forming a semiconductor stack by growing an AlGaN layer or an InAlN layer, an AlN layer, and a GaN layer on a substrate in this order; forming a recess in the semiconductor stack by a dry etching from a surface of the semiconductor stack, the surface being opposite to the substrate; growing a GaN region in the recess; and forming an ohmic electrode on the GaN region; wherein in the forming of the recess, the dry etching is stopped in response to the recess reaching the AlN layer.
    Type: Application
    Filed: December 8, 2022
    Publication date: April 6, 2023
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventor: Shigeki YOSHIDA
  • Patent number: 11597879
    Abstract: The wavelength converter includes a support, and a wavelength conversion layer disposed on the support. The wavelength conversion layer contains a fluorescent layer containing a fluorescent material with a composition represented by formula (1) below, and having a thickness of from 5 ?m to 155 ?m. A ratio of a sum of cross-sectional areas of particles of the fluorescent material in a cross-section of the wavelength conversion layer orthogonal to a disposed surface of the wavelength conversion layer that is disposed on the support and including a full width of the wavelength conversion layer to a cross-sectional area of the cross-section of the wavelength conversion layer is from 5% to 40%. In the formula (1), M1 is at least one selected from the rare earth elements other than La and Ce; a total amount of yttrium (Y), gadolinium (Gd), and lutetium (Lu) by mole with respect to a total amount of M1 by mole is 90% or more; and p, q, r, and s satisfy 2.7?p+q+r?3.3, 0?r?1.2, 10?s?12, and 0<q?1.2.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: March 7, 2023
    Assignee: NICHIA CORPORATION
    Inventors: Shigeki Yoshida, Hiroyuki Watanabe, Eri Matsuka
  • Publication number: 20230065474
    Abstract: In a deflector device, when an external force acts on an deflector body while at a deployed position such that the deflector body is rotated in a stowing direction, even if further rotation of the deflector body in the stowing direction is restricted, the deflector body is rotated to the deployed position by an urging force of a torsion coil spring when the external force acting on the deflector body is released. This enables the deflector body to be rotated to the deployed position from anywhere over an entire rotatable range in the stowing direction by the urging force of the torsion coil spring. Thus, the torsion coil spring is able to rotate the deflector body to the deployed position in a suitable manner.
    Type: Application
    Filed: August 26, 2022
    Publication date: March 2, 2023
    Inventors: Kazuya UMINO, Kazuyuki YOKOYAMA, Nobuhiro KUDO, Shigeki YOSHIDA
  • Publication number: 20220355761
    Abstract: In a lift-up buckle device, a worm wheel is engaged with a screw drive. When a worm is rotated in a forward direction and causes the screw drive to move downward, the worm moves the worm wheel downward. On the other hand, when the worm is rotated in a reverse direction and causes the screw drive to move upward, the worm moves the worm wheel upward. Consequently, the worm wheel may be stably engaged with the screw drive, and the worm wheel and worm may be stably mated.
    Type: Application
    Filed: July 3, 2020
    Publication date: November 10, 2022
    Inventors: Yusuke WATADA, Shota OKUYAMA, Shigeki YOSHIDA
  • Publication number: 20220349614
    Abstract: An air conditioner includes a housing having a first outlet and a second outlet, a first channel communicating with the first outlet, a second channel communicating with the second outlet, a tank unit configured to hold water for cooling first air and second air, the first air flowing through the first channel, the second air flowing through the second channel, a cooling unit configured to cool the first air by heat of vaporization of water held in the tank unit, a water supply channel for supplying water held in the tank unit to the cooling unit, and a water recovery channel for collecting water remaining in the cooling unit to the tank unit.
    Type: Application
    Filed: July 15, 2022
    Publication date: November 3, 2022
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Yuji SAKANO, Ryuta IIJIMA, Shigeki YOSHIDA, Naokatsu OSAWA, Masashi ICHIHASHI, Manabu SHIRAI
  • Patent number: 11322132
    Abstract: Methods, systems, devices and apparatuses for a sound enhancement system. The sound enhancement system includes an airflow sensor. The airflow sensor is configured to measure an airflow into an engine of the vehicle. The sound enhancement system includes an electronic control unit. The electronic control unit is coupled to the airflow sensor. The electronic control unit is configured to determine a time of when to output an audio signal that mimics or enhances engine sound based on the airflow into the engine of the vehicle. The electronic control unit is configured to generate the audio signal based on the airflow into the engine of the vehicle. The sound enhancement system includes an audio device. The audio device is configured to output the audio signal based on the timing of when to output the audio signal.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: May 3, 2022
    Assignee: TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
    Inventors: Michael U. Frank, Scott W. Shopoff, Keita Okamoto, Shigeki Yoshida
  • Publication number: 20220132699
    Abstract: An air conditioner includes an inlet; a suction channel through which air sucked from the inlet flows; a spray unit configured to spray water to be vaporized; a first channel through which first air to be cooled by heat of vaporization of water sprayed from the spray unit flows; a heat exchanger configured to exchange heat between the first air and the air flowing through the suction channel to cool the air flowing through the suction channel; wall body defining the first channel located downstream of the heat exchanger in a flow direction of the first air; and an electric device configured to generate heat with power consumption by the air conditioner. The electric device is thermally connected to the wall body.
    Type: Application
    Filed: January 11, 2022
    Publication date: April 28, 2022
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Yuji SAKANO, Shigeki YOSHIDA, Masashi ICHIHASHI, Naokatsu OSAWA, Manabu SHIRAI, Ryuta IIJIMA
  • Publication number: 20220098483
    Abstract: The wavelength converter includes a support, and a wavelength conversion layer disposed on the support. The wavelength conversion layer contains a fluorescent layer containing a fluorescent material with a composition represented by formula (1) below, and having a thickness of from 5 ?m to 155 ?m. A ratio of a sum of cross-sectional areas of particles of the fluorescent material in a cross-section of the wavelength conversion layer orthogonal to a disposed surface of the wavelength conversion layer that is disposed on the support and including a full width of the wavelength conversion layer to a cross-sectional area of the cross-section of the wavelength conversion layer is from 5% to 40%. In the formula (1), M1 is at least one selected from the rare earth elements other than La and Ce; a total amount of yttrium (Y), gadolinium (Gd), and lutetium (Lu) by mole with respect to a total amount of M1 by mole is 90% or more; and p, q, r, and s satisfy 2.7?p+q+r?3.3, 0?r?1.2, 10?s?12, and 0<q?1.2.
    Type: Application
    Filed: September 29, 2021
    Publication date: March 31, 2022
    Applicant: NICHIA CORPORATION
    Inventors: Shigeki YOSHIDA, Hiroyuki WATANABE, Eri MATSUKA
  • Publication number: 20220085200
    Abstract: A semiconductor device includes a substrate, a semiconductor layer provided on the substrate and having a plurality of GaN channel layers and a plurality of AlGaN barrier layers which are alternately laminated from a substrate side, a source electrode and a drain electrode electrically connected to the GaN channel layers, and a gate electrode provided between the source electrode and the drain electrode to control a potential of the semiconductor layer, wherein an Al composition ratio of an AlGaN barrier layer closest to the substrate is smaller than that of an AlGaN barrier layer second closest to the substrate.
    Type: Application
    Filed: September 14, 2021
    Publication date: March 17, 2022
    Applicant: Sumitomo Electric Industries, Ltd.
    Inventor: Shigeki YOSHIDA
  • Publication number: 20220051653
    Abstract: Methods, systems, devices and apparatuses for a sound enhancement system. The sound enhancement system includes an airflow sensor. The airflow sensor is configured to measure an airflow into an engine of the vehicle. The sound enhancement system includes an electronic control unit. The electronic control unit is coupled to the airflow sensor. The electronic control unit is configured to determine a time of when to output an audio signal that mimics or enhances engine sound based on the airflow into the engine of the vehicle. The electronic control unit is configured to generate the audio signal based on the airflow into the engine of the vehicle. The sound enhancement system includes an audio device. The audio device is configured to output the audio signal based on the timing of when to output the audio signal.
    Type: Application
    Filed: August 17, 2020
    Publication date: February 17, 2022
    Inventors: Michael U. Frank, Scott W. Shopoff, Keita Okamoto, Shigeki Yoshida