Patents by Inventor Yoshikazu Yoshida

Yoshikazu 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: 11969830
    Abstract: An aluminum alloy brazing sheet including a core material, a sacrificial material provided on one surface of the core material, a brazing filler material provided on the other surface side of the core material, and an intermediate layer provided between the core material and the brazing filler material. The core material contains Si: 0.30 to 1.00 mass %, Mn: 0.50 to 2.00 mass %, Cu: 0.60 to 1.20 mass %, Mg: 0.05 to 0.80 mass %, and Al. The sacrificial material contains Si: 0.10 to 1.20 mass %, Zn: 2.00 to 7.00 mass %, Mn: 0.40 mass % or less, and Al. The intermediate layer contains Si: 0.05 to 1.20 mass %, Mn: 0.50 to 2.00 mass %, Cu: 0.10 to 1.20 mass %, and Al.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: April 30, 2024
    Assignee: Kobe Steel, Ltd.
    Inventors: Tatsuki Hashimoto, Kenichiro Yoshida, Yuji Shibuya, Akihiro Tsuruno, Yoshikazu Miyano, Hajime Sugito, Michiyasu Yamamoto, Masayuki Makita, Arisu Fujii, Shin Takewaka, Hayaki Teramoto, Koichi Yamamoto, Toshihide Ninagawa
  • Publication number: 20240087553
    Abstract: A hollow structure has a hollow body with an annular first space and at least one resonator. In the resonator there is formed an elongated second space with a pair of openings at two ends thereof. Each of the pair of openings opens inwardly toward the interior of the first space. The ratio of the length of a centerline of the second space to the length of a centerline of the first space is within a range of from 0.45 to 0.55. The second space is disposed in a curve along a circumferential surface of the first space and is shaped such that one of the two ends of the second space is folded back toward the other end.
    Type: Application
    Filed: November 24, 2023
    Publication date: March 14, 2024
    Inventors: Yoshikazu HONJI, Azumi YOSHIDA
  • Publication number: 20220112571
    Abstract: A method of producing a steel material, wherein when a cooling apparatus having a plurality of cooling sections disposed side by side in a longitudinal direction of a steel material cools the steel material hot worked or cooled/reheated, the steel material is conveyed at a conveyance distance Lo (m) satisfying Equation (1), in one direction along with the longitudinal direction of the steel material, in the cooling apparatus, wherein Lo is defined as conveyance distance (m) of steel material, m is a natural number, and Lh is defined as length (m) of cooling sections in longitudinal direction of steel material: (m?0.20)×Lh?Lo(m+0.20)×Lh??(1).
    Type: Application
    Filed: December 15, 2021
    Publication date: April 14, 2022
    Inventors: Kenji Okushiro, Hiroyuki Fukuda, Hideo Kijima, Yoshikazu Yoshida, Hiroshi Ishikawa, Sadanori Nakano
  • Patent number: 10237843
    Abstract: A position determining unit (4a) determines the position of each of wireless communication apparatuses carried into a vehicle cabin on the basis of the intensities of an electric wave which is transmitted by each wireless communication apparatus and is received by plural antennas (2), or on the basis of the difference between the intensities at the antennas of the electric wave which is transmitted by each wireless communication apparatus and is received by the plural antennas (2). By using a determination result outputted by the position determining unit (4a), a display control unit (4b) outputs, to a display unit (5), an image signal for showing the position in the vehicle cabin of each of the wireless communication apparatuses, and allowing the user to select a wireless communication apparatus which is to be wirelessly connected.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: March 19, 2019
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventor: Yoshikazu Yoshida
  • Publication number: 20180327880
    Abstract: A method of producing a steel material, wherein when a cooling apparatus having a plurality of cooling sections disposed side by side in a longitudinal direction of a steel material cools the steel material hot worked or cooled/reheated, the steel material is conveyed at a conveyance distance Lo (m) satisfying Equation (1), in one direction along with the longitudinal direction of the steel material, in the cooling apparatus, wherein Lo is defined as conveyance distance (m) of steel material, m is a natural number, and Lh is defined as length (m) of cooling sections in longitudinal direction of steel material: (m?0.20)×Lh?Lo?(m+0.20)×Lh??(1).
    Type: Application
    Filed: May 2, 2016
    Publication date: November 15, 2018
    Inventors: Kenji Okushiro, Hiroyuki Fukuda, Hideo Kijima, Yoshikazu Yoshida, Hiroshi Ishikawa, Sadanori Nakano
  • Patent number: 10100380
    Abstract: A rail cooling device configured to forcibly cool a rail by jetting a coolant includes a porous plate nozzle including a plurality of nozzle holes configured to jet the coolant to an underside of the base of the rail to cool the underside of the base of the rail. Ends in a width direction of the porous plate nozzle correspond to ends of the underside of the base of the rail. Nozzle holes of the porous plate nozzle at the ends of the width direction are smaller than nozzle holes of the porous plate nozzle at a central part in the width direction, and a maximum value of a distance between centers of the nozzle holes at both ends in the width direction is 30% or more of a width of the underside of the base.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: October 16, 2018
    Assignee: JFE STEEL CORPORATION
    Inventors: Ryo Matsuoka, Makoto Nakaseko, Rinya Kojo, Tomoo Horita, Hideki Takahashi, Yoshikazu Yoshida, Tatsumi Kimura, Mineyasu Takemasa, Yuzuru Kataoka
  • Publication number: 20180251866
    Abstract: A rail cooling device configured to forcibly cool a rail by jetting a coolant includes a porous plate nozzle including a plurality of nozzle holes configured to jet the coolant to an underside of the base of the rail to cool the underside of the base of the rail. Ends in a width direction of the porous plate nozzle correspond to ends of the underside of the base of the rail. Nozzle holes of the porous plate nozzle at the ends of the width direction are smaller than nozzle holes of the porous plate nozzle at a central part in the width direction, and a maximum value of a distance between centers of the nozzle holes at both ends in the width direction is 30% or more of a width of the underside of the base.
    Type: Application
    Filed: May 3, 2018
    Publication date: September 6, 2018
    Applicant: JFE STEEL CORPORATION
    Inventors: Ryo MATSUOKA, Makoto NAKASEKO, Rinya KOJO, Tomoo HORITA, Hideki TAKAHASHI, Yoshikazu YOSHIDA, Tatsumi KIMURA, Mineyasu TAKEMASA, Yuzuru KATAOKA
  • Publication number: 20180249436
    Abstract: A position determining unit (4a) determines the position of each of wireless communication apparatuses carried into a vehicle cabin on the basis of the intensities of an electric wave which is transmitted by each wireless communication apparatus and is received by plural antennas (2), or on the basis of the difference between the intensities at the antennas of the electric wave which is transmitted by each wireless communication apparatus and is received by the plural antennas (2). By using a determination result outputted by the position determining unit (4a), a display control unit (4b) outputs, to a display unit (5), an image signal for showing the position in the vehicle cabin of each of the wireless communication apparatuses, and allowing the user to select a wireless communication apparatus which is to be wirelessly connected.
    Type: Application
    Filed: November 10, 2015
    Publication date: August 30, 2018
    Applicant: Mitsubishi Electric Corporation
    Inventor: Yoshikazu YOSHIDA
  • Patent number: 9988696
    Abstract: A rail cooling method for forcibly cooling a rail by jetting a coolant includes jetting the coolant to a foot back part of the rail from a porous plate nozzle in which a nozzle hole at an end in a width direction is smaller than a nozzle hole at a central part in the width direction and causes a cooling capacity for the end in the width direction of the underside of the base of the rail to be lower than a cooling capacity for the central part in the width direction of the underside of the base of the rail.
    Type: Grant
    Filed: February 1, 2013
    Date of Patent: June 5, 2018
    Assignee: JFE STEEL CORPORATION
    Inventors: Ryo Matsuoka, Makoto Nakaseko, Rinya Kojo, Tomoo Horita, Hideki Takahashi, Yoshikazu Yoshida, Tatsumi Kimura, Mineyasu Takemasa, Yuzuru Kataoka
  • Patent number: 9593393
    Abstract: A rail heat treatment device includes a cooling header, an oscillation mechanism, and a control system including: a storage unit that stores therein at least information required for a oscillation control; and a control unit that obtains a permissible range of required cooling time for a rail that satisfies a permissible range of hardness of the rail based on a correlation expression representing a correlation between the cooling time for the rail with the cooling header and the hardness of the rail after cooling, controls a stroke and a speed of relative reciprocation of the rail and the cooling header based on the permissible range of the required cooling time, and causes the oscillation mechanism to perform the relative reciprocation of the rail and the cooling header by the stroke and at the speed.
    Type: Grant
    Filed: February 6, 2012
    Date of Patent: March 14, 2017
    Assignee: JFE STEEL CORPORATION
    Inventors: Yoshikazu Yoshida, Hideki Takahashi, Rinya Kojo, Ryo Matsuoka, Yuzuru Kataoka, Tomoo Horita
  • Patent number: 9429374
    Abstract: A rail cooling method includes: calculating, based on a relation between temperatures and an amount of warp of the rail cooled to ambient temperature after the forced cooling, the temperatures including a cooling start temperature of the head, a cooling end temperature of the head, a cooling start temperature of the foot and a cooling end temperature of the foot, a target value or a target value range for each of the temperatures so that the amount of warp of the rail at ambient temperature falls within a permissive range; and setting a cooling condition in accordance with the target value or the target value range to perform the forced cooling on the head and the foot.
    Type: Grant
    Filed: February 6, 2012
    Date of Patent: August 30, 2016
    Assignee: JFE STEEL CORPORATION
    Inventors: Rinya Kojo, Hiroyuki Fukuda, Yuta Tamura, Yoshikazu Yoshida, Hideki Takahashi, Ryo Matsuoka, Yuzuru Kataoka
  • Patent number: 9200916
    Abstract: It is an object of the present invention to improve the operability of the operation of changing a route by setting a new waypoint or destination point in a navigation device. To accomplish the object, the navigation device according to the present invention includes: a route searching unit that searches for a route from a departure point through waypoints to a destination point; a display controller that produces a screen display which allows one desired location among the departure point and at least one of the waypoints passed through to be designated as a new waypoint or destination point in one operation; and a route changing unit that changes the route searched for by the route searching unit in accordance with the designation performed by the one operation.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: December 1, 2015
    Assignee: Mitsubishi Electric Corporation
    Inventor: Yoshikazu Yoshida
  • Publication number: 20150082611
    Abstract: A rail restraining method for restraining a hot-rolled rail in an upright position at a time of forced cooling of a head portion and a foot portion of the rail includes defining a predetermined position within 2 meters from each of both end faces of the rail along a longitudinal direction of the rail as a first restraining position, defining a predetermined position 3 to 10 meters from the first restraining position in a direction toward center of the rail along the longitudinal direction of the rail as a second restraining position at the time of forced cooling, and restraining displacement of the rail in a vertical direction at the first restraining position and the second restraining position by a restraining force F (kN) that satisfies following Expression (1): F?100/L2??(1) where L2 (m) is a distance between the first restraining position and the second restraining position.
    Type: Application
    Filed: February 6, 2012
    Publication date: March 26, 2015
    Applicant: JFE STEEL CORPORATION
    Inventors: Rinya Kojo, Kenji Okushiro, Yuzuru Kataoka, Yoshikazu Yoshida, Hideki Takahashi, Ryo Matsuoka
  • Publication number: 20150027599
    Abstract: A rail cooling method for forcibly cooling a rail by jetting a coolant includes jetting the coolant to a foot back part of the rail from a porous plate nozzle in which a nozzle hole at an end in a width direction is smaller than a nozzle hole at a central part in the width direction and causes a cooling capacity for the end in the width direction of the underside of the base of the rail to be lower than a cooling capacity for the central part in the width direction of the underside of the base of the rail.
    Type: Application
    Filed: February 1, 2013
    Publication date: January 29, 2015
    Inventors: Ryo Matsuoka, Makoto Nakaseko, Rinya Kojo, Tomoo Horita, Hideki Takahashi, Yoshikazu Yoshida, Tatsumi Kimura, Mineyasu Takemasa, Yuzuru Kataoka
  • Publication number: 20150021836
    Abstract: A rail heat treatment device includes a cooling header, an oscillation mechanism, and a control system including: a storage unit that stores therein at least information required for a oscillation control; and a control unit that obtains a permissible range of required cooling time for a rail that satisfies a permissible range of hardness of the rail based on a correlation expression representing a correlation between the cooling time for the rail with the cooling header and the hardness of the rail after cooling, controls a stroke and a speed of relative reciprocation of the rail and the cooling header based on the permissible range of the required cooling time, and causes the oscillation mechanism to perform the relative reciprocation of the rail and the cooling header by the stroke and at the speed.
    Type: Application
    Filed: February 6, 2012
    Publication date: January 22, 2015
    Applicant: JFE STEEL CORPORATION
    Inventors: Yoshikazu Yoshida, Hideki Takahashi, Rinya Kojo, Ryo Matsuoka, Yuzuru Kataoka, Tomoo Horita
  • Publication number: 20140372025
    Abstract: It is an object of the present invention to improve the operability of the operation of changing a route by setting a new waypoint or destination point in a navigation device. To accomplish the object, the navigation device according to the present invention includes: a route searching unit that searches for a route from a departure point through waypoints to a destination point; a display controller that produces a screen display which allows one desired location among the departure point and at least one of the waypoints passed through to be designated as a new waypoint or destination point in one operation; and a route changing unit that changes the route searched for by the route searching unit in accordance with the designation performed by the one operation.
    Type: Application
    Filed: February 23, 2012
    Publication date: December 18, 2014
    Applicant: Mitsubishi Electric Corporation
    Inventor: Yoshikazu Yoshida
  • Publication number: 20140360715
    Abstract: A rail cooling method includes: calculating, based on a relation between temperatures and an amount of warp of the rail cooled to ambient temperature after the forced cooling, the temperatures including a cooling start temperature of the head, a cooling end temperature of the head, a cooling start temperature of the foot and a cooling end temperature of the foot, a target value or a target value range for each of the temperatures so that the amount of warp of the rail at ambient temperature falls within a permissive range; and setting a cooling condition in accordance with the target value or the target value range to perform the forced cooling on the head and the foot.
    Type: Application
    Filed: February 6, 2012
    Publication date: December 11, 2014
    Applicant: JFE STEEL CORPORATION
    Inventors: Rinya Kojo, Hiroyuki Fukuda, Yuta Tamura, Yoshikazu Yoshida, Hideki Takahashi, Ryo Matsuoka, Yuzuru Kataoka
  • Publication number: 20120252351
    Abstract: A satellite receiver includes a control unit adapted to output to an antenna control signals for time-sequentially switching between a plurality of different satellite broadcast signals, a channel selecting unit adapted to select a transponder including a specific program from each of a plurality of broadcast signals input from the antenna, and a demultiplexer adapted to extract specific program data from each of the plurality of transponders selected by the channel selecting unit.
    Type: Application
    Filed: March 14, 2012
    Publication date: October 4, 2012
    Applicant: SONY CORPORATION
    Inventor: Yoshikazu Yoshida
  • Patent number: 8038849
    Abstract: A process for producing a carbon-particle structure, including the step of irradiating opaque carbon dioxide at and/or near its critical point, as light is scattered, with a UV-wavelength laser beam to produce a carbon-particle structure.
    Type: Grant
    Filed: May 12, 2009
    Date of Patent: October 18, 2011
    Assignee: Toyo University Educational Foundation
    Inventors: Toru Maekawa, Yoshikazu Yoshida, Takahiro Fukuda
  • Patent number: 7807025
    Abstract: A method for realizing carbon dioxide reduction, which is a task to be urgently accomplished from the viewpoint of global environmental problems, is provided. The method includes the steps of irradiating carbon dioxide in a supercritical or subcritical state (i.e., near the critical point) with a UV-wavelength laser beam to decompose carbon dioxide and form a carbon-particle structure.
    Type: Grant
    Filed: May 25, 2005
    Date of Patent: October 5, 2010
    Assignee: Toyo University Educational Foundation
    Inventors: Toru Maekawa, Yoshikazu Yoshida, Takahiro Fukuda