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).
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Patent number: 12031674Abstract: 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: GrantFiled: April 19, 2021Date of Patent: July 9, 2024Assignee: JFE STEEL CORPORATIONInventors: Toshio Takano, Hiroshi Okano, Kotaro Kadota, Shusaku Takagi, Kazuki Matsubara
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Patent number: 11982644Abstract: 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: GrantFiled: June 21, 2019Date of Patent: May 14, 2024Assignee: JFE Steel CorporationInventors: Hiroshi Okano, Akihide Nagao, Nobuyuki Ishikawa, Kazuki Matsubara, Toshio Takano
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Publication number: 20240027023Abstract: 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: ApplicationFiled: January 28, 2022Publication date: January 25, 2024Applicant: JFE STEEL CORPORATIONInventors: Hiroshi OKANO, Kazuki MATSUBARA, Shusaku TAKAGI, Nobuyuki ISHIKAWA, Toshio TAKANO
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Publication number: 20240003491Abstract: 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: ApplicationFiled: November 2, 2021Publication date: January 4, 2024Applicant: JFE STEEL CORPORATIONInventors: Hiroshi OKANO, Kazuki MATSUBARA, Shusaku TAKAGI, Nobuyuki ISHIKAWA, Toshio TAKANO
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Patent number: 11788687Abstract: 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: GrantFiled: June 21, 2019Date of Patent: October 17, 2023Assignee: JFE Steel CorporationInventors: Hiroshi Okano, Akihide Nagao, Nobuyuki Ishikawa, Kazuki Matsubara, Toshio Takano
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Publication number: 20230175646Abstract: 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: ApplicationFiled: April 19, 2021Publication date: June 8, 2023Applicant: JFE STEEL CORPORATIONInventors: Toshio TAKANO, Hiroshi OKANO, Kotaro KADOTA, Shusaku TAKAGI, Kazuki MATSUBARA
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Publication number: 20220397238Abstract: 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: ApplicationFiled: November 18, 2020Publication date: December 15, 2022Applicant: JFE STEEL CORPORATIONInventors: Hiroshi OKANO, Shusaku TAKAGI, Nobuyuki ISHIKAWA, Akihide NAGAO, Kazuki MATSUBARA, Toshio TAKANO, Kotaro KADOTA, Norikazu YAMAGUCHI, Takuya HASEGAWA, Hiroki KUNO
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Publication number: 20210396354Abstract: 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: ApplicationFiled: November 11, 2019Publication date: December 23, 2021Applicant: JFE STEEL CORPORATIONInventors: Toshio TAKANO, Hiroshi OKANO, Akihide NAGAO, Nobuyuki ISHIKAWA, Kazuki MATSUBARA
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Publication number: 20210270421Abstract: 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: ApplicationFiled: June 21, 2019Publication date: September 2, 2021Inventors: Hiroshi Okano, Akihide Nagao, Nobuyuki Ishikawa, Kazuki Matsubara, Toshio Takano
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Publication number: 20210270779Abstract: 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: ApplicationFiled: June 21, 2019Publication date: September 2, 2021Inventors: Hiroshi Okano, Akihide Nagao, Nobuyuki Ishikawa, Kazuki Matsubara, Toshio Takano
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Publication number: 20210128547Abstract: 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: ApplicationFiled: May 11, 2018Publication date: May 6, 2021Inventor: Toshio TAKANO
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Patent number: 10837602Abstract: 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: GrantFiled: April 24, 2014Date of Patent: November 17, 2020Assignee: JFE Steel CorporationInventors: Shusaku Takagi, Akihide Nagao, Mitsuo Kimura, Nobuyuki Ishikawa, Toshio Takano
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Publication number: 20160091140Abstract: 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: ApplicationFiled: April 24, 2014Publication date: March 31, 2016Applicant: JEF STEEL CORPORATIONInventors: Shusaku Takagi, Akihide Nagao, Mitsuo Kimura, Nobuyuki Ishikawa, Toshio Takano
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Patent number: 7681753Abstract: 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: GrantFiled: January 31, 2003Date of Patent: March 23, 2010Assignees: JFE Steel Corporation, National Institute of Advanced Industrial Science and Technology, JFE Container Co., LtdInventors: Tomoyuki Yokota, Kenjiro Hamada, Hidekazu Tsuruta, Nobuhiro Kuriyama, Hiroyuki Takeshita, Nobuhiko Takeichi, Toshio Takano
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Publication number: 20050166992Abstract: 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: ApplicationFiled: January 31, 2003Publication date: August 4, 2005Inventors: Tomoyuki Yokota, Kenjiro Hamada, Hidekazu Tsuruta, Nobuhiro Kuriyama, Hiroyuki Takeshita, Nobuhiko Takeichi, Toshio Takano
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Patent number: 5171294Abstract: 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: GrantFiled: October 7, 1991Date of Patent: December 15, 1992Assignee: Fuji Jukogyo Kabushiki KaishaInventors: Toshio Takano, Toshio Kobayashi
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Patent number: 4979394Abstract: 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: GrantFiled: August 15, 1988Date of Patent: December 25, 1990Assignees: Nissan Motor Co., Ltd., Tokyo Institute of Technology, Reasearch Laboratory of Precision Machinery and ElectronicsInventors: Yakichi Higo, Shigetomo Nunomura, Toshio Takano, Junichiro Matsuoka, Tadashi Ashida
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Patent number: 4909207Abstract: 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: GrantFiled: August 5, 1988Date of Patent: March 20, 1990Assignee: Nissan Motor Company, LimitedInventors: Toshio Takano, Keiichi Shindo, Yasuhiro Iwata, Masamitsu Higuchi, Hidehiro Nishizawa, Atsushi Fujimoto, Hidehiro Nishizawa
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Patent number: 4782934Abstract: 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: GrantFiled: January 2, 1987Date of Patent: November 8, 1988Assignee: Fuji Jukogyo Kabushiki KaishaInventors: Toshio Takano, Hiroshi Tanaka, Motohisa Miyawaki
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Patent number: 4755234Abstract: 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: GrantFiled: May 26, 1987Date of Patent: July 5, 1988Assignee: Nippon Kokan Kabushiki KaishaInventors: Haruo Suzuki, Toshio Takano, Koshiro Tsukada, Hiroaki Tsukamoto