Patents by Inventor Toshio Takano

Toshio Takano 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: 20240027023
    Abstract: A high-pressure hydrogen container includes: a cylinder body; and a lid member that closes an end portion of the cylinder body. The cylinder body includes: a joining portion that fixes the lid member; a cylinder portion that forms an outer shell of a storage portion; and a sealing surface formed at an inner surface of the cylinder body. At least H<K is satisfied, where an area of the sealing surface which the sealing portion abuts is an abutting area, H is a thickness from the abutting area to an outer surface of the cylinder body, part of the cylinder body in which a stress greater than or equal to a predetermined stress ? is generated is a stress generation portion, and L is a distance between the abutting area and the stress generation portion.
    Type: Application
    Filed: January 28, 2022
    Publication date: January 25, 2024
    Applicant: JFE STEEL CORPORATION
    Inventors: Hiroshi OKANO, Kazuki MATSUBARA, Shusaku TAKAGI, Nobuyuki ISHIKAWA, Toshio TAKANO
  • Publication number: 20240003491
    Abstract: To alleviate stress exerted on a thread portion of a high pressure gas container including a metallic container to prevent fatigue fracture, there is provided a high pressure gas container comprising a metallic container, wherein the metallic container includes: a metallic cylinder; a female thread portion on an inner peripheral surface of the metallic cylinder at at least one end; and a lid having, on an outer peripheral surface, a male thread portion configured to screw into the female thread portion, and a maximum value of residual compressive stress at a position of 0.4 mm in a depth direction from a plurality of thread bottoms of the female thread portion and the male thread portion is 100 MPa or more, less than or equal to tensile strength of a material of the metallic cylinder, and less than or equal to tensile strength of a material of the lid.
    Type: Application
    Filed: November 2, 2021
    Publication date: January 4, 2024
    Applicant: JFE STEEL CORPORATION
    Inventors: Hiroshi OKANO, Kazuki MATSUBARA, Shusaku TAKAGI, Nobuyuki ISHIKAWA, Toshio TAKANO
  • Patent number: 11788687
    Abstract: A method of manufacturing a pressure accumulator, using an AE signal for the pressure accumulator, includes: a first estimation step of estimating with an AE sensor provided at the pressure accumulator, a range of stress levels at each of which a damage AE signal that is generated from the pressure accumulator because of damage of material of the pressure accumulator is in a predetermined state; and a first design step of designing the pressure accumulator such that a minimum thickness of the pressure accumulator is determined based on the stress level range estimated in the first estimation step.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: October 17, 2023
    Assignee: JFE Steel Corporation
    Inventors: Hiroshi Okano, Akihide Nagao, Nobuyuki Ishikawa, Kazuki Matsubara, Toshio Takano
  • Publication number: 20230175646
    Abstract: A high-pressure hydrogen container is provided that has a simple configuration, requiring less labor for manufacture, achieving reduced manufacturing costs, and ensuring pressure resistance. The high-pressure hydrogen container includes a metal cylinder configured to store high-pressure hydrogen, a pair of lid parts configured to cover both end portions of the metal cylinder, and a plurality of fastening parts configured to fix the pair of lid parts in a state where the metal cylinder is clamped between the pair of lid parts.
    Type: Application
    Filed: April 19, 2021
    Publication date: June 8, 2023
    Applicant: JFE STEEL CORPORATION
    Inventors: Toshio TAKANO, Hiroshi OKANO, Kotaro KADOTA, Shusaku TAKAGI, Kazuki MATSUBARA
  • Publication number: 20220397238
    Abstract: A hydrogen supply system is configured to supply hydrogen to a fuel-cell vehicle by using a curdle for hydrogen transport, and includes: a filling unit provided at a hydrogen filling facility and configured to fill the curdle with hydrogen; a management unit configured to calculate a transport timing at which the hydrogen-filled curdle is transported to a business facility that operates the fuel-cell vehicle; a transport unit configured to transport the hydrogen-filled curdle to the business facility in accordance with the transport timing; and a disposition unit configured to dispose the hydrogen-filled curdle transported to the business facility at a place to which the fuel-cell vehicle is capable of accessing to have a refill of the hydrogen in the business facility.
    Type: Application
    Filed: November 18, 2020
    Publication date: December 15, 2022
    Applicant: JFE STEEL CORPORATION
    Inventors: Hiroshi OKANO, Shusaku TAKAGI, Nobuyuki ISHIKAWA, Akihide NAGAO, Kazuki MATSUBARA, Toshio TAKANO, Kotaro KADOTA, Norikazu YAMAGUCHI, Takuya HASEGAWA, Hiroki KUNO
  • Publication number: 20210396354
    Abstract: A high-pressure hydrogen tank includes a metal circular cylinder configured to store high-pressure hydrogen therein, a cap part configured to cover each of opposite end portions of the metal circular cylinder, an outer cylinder surrounding an outer periphery of a circular-cylindrical portion of the metal circular cylinder, and a fastening part configured to fix the cap part to the outer cylinder.
    Type: Application
    Filed: November 11, 2019
    Publication date: December 23, 2021
    Applicant: JFE STEEL CORPORATION
    Inventors: Toshio TAKANO, Hiroshi OKANO, Akihide NAGAO, Nobuyuki ISHIKAWA, Kazuki MATSUBARA
  • Publication number: 20210270779
    Abstract: A life estimation apparatus for a pressure accumulator estimates the life of the pressure accumulator based on an AE signal for the pressure accumulator. The life estimation apparatus includes: an AE sensor that is provided at the pressure accumulator and detects the AE signal; and an estimation unit that sets a point of time at which the AE sensor detects a damage AE signal that is generated from the pressure accumulator because of damage of a material during use of the pressure accumulator, as a minimum initial flaw generation time point that is a point of time at which a minimum initial flaw of the pressure accumulator that is detected by a non-destructive inspection method is generated in shipping of the pressure accumulator.
    Type: Application
    Filed: June 21, 2019
    Publication date: September 2, 2021
    Inventors: Hiroshi Okano, Akihide Nagao, Nobuyuki Ishikawa, Kazuki Matsubara, Toshio Takano
  • Publication number: 20210270421
    Abstract: A method of manufacturing a pressure accumulator, using an AE signal for the pressure accumulator, includes: a first estimation step of estimating with an AE sensor provided at the pressure accumulator, a range of stress levels at each of which a damage AE signal that is generated from the pressure accumulator because of damage of material of the pressure accumulator is in a predetermined state; and a first design step of designing the pressure accumulator such that a minimum thickness of the pressure accumulator is determined based on the stress level range estimated in the first estimation step.
    Type: Application
    Filed: June 21, 2019
    Publication date: September 2, 2021
    Inventors: Hiroshi Okano, Akihide Nagao, Nobuyuki Ishikawa, Kazuki Matsubara, Toshio Takano
  • Publication number: 20210128547
    Abstract: Methods of further reducing cardiovascular risk in subjects with coronary artery disease on moderate intensity statins. For example, methods may prevent an adverse cardiovascular event in a subject in need thereof, on a dosage of 1 mg/day pitavastatin or a pharmaceutically acceptable salt thereof, when the subject has an LDL-C concentration less than 120 mg/dL, by increasing the dosage to 4 mg/day for a therapeutically effective period of time.
    Type: Application
    Filed: May 11, 2018
    Publication date: May 6, 2021
    Inventor: Toshio TAKANO
  • Patent number: 10837602
    Abstract: A hydrogen storage tank includes a liner layer to store hydrogen and a carbon fiber reinforced plastic layer disposed outside the liner layer. The liner layer is formed from a low-alloy steel, and the carbon fiber forming the carbon fiber reinforced plastic layer is a pitch based carbon fiber.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: November 17, 2020
    Assignee: JFE Steel Corporation
    Inventors: Shusaku Takagi, Akihide Nagao, Mitsuo Kimura, Nobuyuki Ishikawa, Toshio Takano
  • Publication number: 20160091140
    Abstract: A hydrogen storage tank includes a liner layer to store hydrogen and a carbon fiber reinforced plastic layer disposed outside the liner layer. The liner layer is formed from a low-alloy steel, and the carbon fiber forming the carbon fiber reinforced plastic layer is a pitch based carbon fiber.
    Type: Application
    Filed: April 24, 2014
    Publication date: March 31, 2016
    Applicant: JEF STEEL CORPORATION
    Inventors: Shusaku Takagi, Akihide Nagao, Mitsuo Kimura, Nobuyuki Ishikawa, Toshio Takano
  • Patent number: 7681753
    Abstract: A pressure container 1 composed of a reinforcing layer 2 and a liner layer 3, with a hydrogen charging pressure of 30 MPa or higher; and a hydrogen absorbing material and a carrier for holding said hydrogen absorbing material (hydrogen absorbing material portion 4) contained in the pressure container 1 are included, and a volume fraction X of the hydrogen absorbing material with ?m?100 kg/m3 with respect to an internal volume of the pressure container 1 is 5(%)?X?20(%), where ?m denotes a maximum hydrogen absorption amount per unit volume of the hydrogen absorbing material (kg/m3); X=100 ·Vm/Vi (%); Vi is an internal volume of the pressure container (L); and Vm is a volume of the hydrogen absorbing material in the pressure container (L).
    Type: Grant
    Filed: January 31, 2003
    Date of Patent: March 23, 2010
    Assignees: JFE Steel Corporation, National Institute of Advanced Industrial Science and Technology, JFE Container Co., Ltd
    Inventors: Tomoyuki Yokota, Kenjiro Hamada, Hidekazu Tsuruta, Nobuhiro Kuriyama, Hiroyuki Takeshita, Nobuhiko Takeichi, Toshio Takano
  • Publication number: 20050166992
    Abstract: A pressure container 1 composed of a reinforcing layer 2 and a liner layer 3, with a hydrogen charging pressure of 30 MPa or higher; and a hydrogen absorbing material and a carrier for holding said hydrogen absorbing material (hydrogen absorbing material portion 4) contained in the pressure container 1 are included, and a volume fraction X of the hydrogen absorbing material with ?m?100 kg/m3 with respect to an internal volume of the pressure container 1 is 5(%)?X?20(%), where am denotes a maximum hydrogen absorption amount per unit volume of the hydrogen absorbing material (kg/m3); X=100 ·Vm/Vi (%); Vi is an internal volume of the pressure container (L); and Vm is a volume of the hydrogen absorbing material in the pressure container (L).
    Type: Application
    Filed: January 31, 2003
    Publication date: August 4, 2005
    Inventors: Tomoyuki Yokota, Kenjiro Hamada, Hidekazu Tsuruta, Nobuhiro Kuriyama, Hiroyuki Takeshita, Nobuhiko Takeichi, Toshio Takano
  • Patent number: 5171294
    Abstract: A system for controlling torque distributed to front wheels and rear wheels of a motor vehicle comprises a planetary gear device including a first sun gear connected to an output shaft of a transmission, a carrier, first and second planetary pinions coupled with each other and rotatably supported on the carrier, and a second sun gear disposed between a front torque transmitting member and a rear torque transmitting member. The first planetary pinion is engaged with the first sun gear, and the second planetary pinion is engaged with the second sun gear. A fluid operated multiple-disk clutch is disposed between the carrier and the rear torque transmitting member so as to restrict the differential operation of the planetary gear device.
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: December 15, 1992
    Assignee: Fuji Jukogyo Kabushiki Kaisha
    Inventors: Toshio Takano, Toshio Kobayashi
  • Patent number: 4979394
    Abstract: The coherence between inputted and received white noise is used to determined the presence or absence of flaws in a structure such as a joint. The strength of the joint is determined by integrating the coherence factor and observing the magnitude of the same.
    Type: Grant
    Filed: August 15, 1988
    Date of Patent: December 25, 1990
    Assignees: Nissan Motor Co., Ltd., Tokyo Institute of Technology, Reasearch Laboratory of Precision Machinery and Electronics
    Inventors: Yakichi Higo, Shigetomo Nunomura, Toshio Takano, Junichiro Matsuoka, Tadashi Ashida
  • Patent number: 4909207
    Abstract: Cleaning of gums, sludge and other adhering on a fuel injection valve in a fuel injection internal combustion engine can be done by driving of engine with a cleaning agent as a mixture of gasoline and an aromatic solvent. The mixture is adjusted the mixture rate thereof to satisfactorily combustion in an engine cylinder and dissolve gums, sludge and other adherings on the fuel injection valve. The cleaning agent is supplied to the engine cylinder through the fuel injection valve and during passing through the fuel injection valve it dissolves the adherings.
    Type: Grant
    Filed: August 5, 1988
    Date of Patent: March 20, 1990
    Assignee: Nissan Motor Company, Limited
    Inventors: Toshio Takano, Keiichi Shindo, Yasuhiro Iwata, Masamitsu Higuchi, Hidehiro Nishizawa, Atsushi Fujimoto, Hidehiro Nishizawa
  • Patent number: 4782934
    Abstract: A control system for a motor vehicle provided with a continuously variable transmission and a clutch for transmitting power of an engine to the transmission. The transmission has a transmission ratio control valve having ports and a spool for controlling the transmission ratio. A throttle position sensor is provided for detecting the load on an engine and for deciding a desired transmission ratio in accordance with the load. The clutch is automatically disengaged at low vehicle speed. When an accelerator pedal is depressed in order to re-accelerate the vehicle, the desired transmission ratio is increased to increase the speed of a drive pulley of the transmission so that the drive pulley speed equals the speed of the engine.
    Type: Grant
    Filed: January 2, 1987
    Date of Patent: November 8, 1988
    Assignee: Fuji Jukogyo Kabushiki Kaisha
    Inventors: Toshio Takano, Hiroshi Tanaka, Motohisa Miyawaki
  • Patent number: 4755234
    Abstract: A method of manufacturing pressure vessel steel having high strength and high toughness comprising the steps of heating steel to a temperature higher than 1200.degree. C., said steel containing from 0.03 to 0.12 wt. % C, 0.10 to 0.8 wt. % Si, 0.45 to 1.00 wt. % Mn, 0.80 to 3.50 wt. % Cr, 0.10 to 1.60 wt. % Mo, 0.10 to 0.53 wt. % Ni, 0.010 to 0.040 wt. % soluble aluminum, at least one of 0.05 to 0.40 wt. % V and 0.02 to 0.20 wt. % Nb, less than 0.010 wt. % Ti, 0.0002 to 0.0010 wt. % B, and less than 0.004 wt. % N, the balance of iron and impurities, the N and Ti satisfying the following equationN<14/48.times.Ti+0.0024%;rolling the heated steel at a temperature above 1050.degree. C. to obtain a total reduction of more than 30%; directly quenching the rolled steel; and tempering the rolled steel.
    Type: Grant
    Filed: May 26, 1987
    Date of Patent: July 5, 1988
    Assignee: Nippon Kokan Kabushiki Kaisha
    Inventors: Haruo Suzuki, Toshio Takano, Koshiro Tsukada, Hiroaki Tsukamoto
  • Patent number: 4680712
    Abstract: A system for controlling an electromagnetic clutch for an infinitely variable belt-drive transmission, which is provided with an accelerator pedal switch for producing an output signal at release of an accelerator pedal of a vehicle, and a vehicle speed detector for producing an output signal at a low vehicle speed. The system is arranged to produce a small drag current signal in dependency on the accelerator pedal release signal and the low vehicle speed signal, so that a small drag clutch current flows in a coil of the electromagnetic clutch.
    Type: Grant
    Filed: January 29, 1985
    Date of Patent: July 14, 1987
    Assignee: Fuji Jukogyo Kabushiki Kaisha
    Inventors: Ryuzo Sakakiyama, Toshio Takano
  • Patent number: 4645046
    Abstract: A parking lock mechanism for a vehicle having an infinitely variable transmission provided with a synchronizer for engaging a forward gear train and a reverse gear train with a main shaft of the transmission. A parking lock position in a shift pattern of a selector lever is located adjacent a reverse position so that the selector lever can be shifted to the parking lock position passing through the reverse position. This means that the selector lever can not be shifted during forward driving of the vehicle.
    Type: Grant
    Filed: January 23, 1985
    Date of Patent: February 24, 1987
    Assignee: Fuji Jukogyo Kabushiki Kaisha
    Inventors: Toshio Takano, Masahiko Takahashi