Patents by Inventor Yosuke Takeuchi
Yosuke Takeuchi 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: 12172183Abstract: To repair reinforced concrete easily and at low cost. An anticorrosion method includes infiltrating an anticorrosion solution held inside concrete of reinforced concrete into a vicinity of a reinforcing bar through the concrete to passivate the reinforcing bar, detecting that the anticorrosion solution is infiltrated to a surface of the concrete, and discharging, after detecting the anticorrosion solution, the anticorrosion solution to outside of the concrete to form an anticorrosive coating on a surface of the reinforcing bar.Type: GrantFiled: February 6, 2020Date of Patent: December 24, 2024Assignee: Nippon Telegraph and Telephone CorporationInventors: Yosuke Takeuchi, Ryuta Ishii, Shota Oki, Takuya Kamisho, Masayuki Tsuda
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Patent number: 12163946Abstract: An assessment device (1) according to the present disclosure includes a determination unit (10) that determines a first period corresponding to a shortest period until deterioration of a concrete structure due to an aging-induced deterioration cause appears and a second period shorter than the first period and corresponding to a longest period until deterioration of the concrete structure due to a material-induced deterioration cause appears and an assessment unit (20) that assesses that a deterioration causing material is used in a concrete structure having, in a checking result indicating a period elapsed from construction of the concrete structure and the presence or absence of deterioration in the concrete structure, the deterioration and the period elapsed from the construction which is not shorter than the second period and is shorter than the first period.Type: GrantFiled: March 26, 2020Date of Patent: December 10, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Hisatoshi Kasahara, Yosuke Takeuchi, Yosuke Okamura, Junichiro Tamamatsu
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Patent number: 12153036Abstract: To improve the accuracy of estimating when a fracture occurred in the metal material. In the estimation apparatus, the fracture temperature estimation unit performs estimate calculation of the fracture temperature of a fractured metal material from the hydrogen embrittlement rate of the fractured metal material, the fracture occurrence time narrowing unit performs calculation by using the temperature information of the installation environment in which the fractured metal material is installed and narrow down the period during which the fracture temperature is obtained as the fracture occurrence period of the metal material, and the fracture time estimation unit performs estimate calculation of the timing of when stress was applied to the fractured metal material during the fracture occurrence period as the timing of when a fracture occurred in the metal material.Type: GrantFiled: February 6, 2020Date of Patent: November 26, 2024Assignee: Nippon Telegraph and Telephone CorporationInventors: Yosuke Takeuchi, Takuya Kamisho, Masayuki Tsuda
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Publication number: 20240272036Abstract: There is provided a measurement device (1020) including: a height difference acquisition unit (131) that acquires a height difference between two points on a bottom surface of a structure; and a material flexural strength calculation unit (141) that calculates material flexural strength of the structure based on the height difference.Type: ApplicationFiled: June 7, 2021Publication date: August 15, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Hisatoshi KASAHARA, Yosuke TAKEUCHI, Junichiro TAMAMATSU, Yosuke OKAMURA
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Publication number: 20240264140Abstract: A method of producing a resin concrete deterioration model, a method of predicting deterioration of resin concrete, and a resin concrete deterioration model are provided. The method of producing a resin concrete deterioration model adds water to a precursor of resin concrete containing a thermosetting resin, calcium carbonate, and aggregate and kneads the mixture. The resin concrete deterioration model 1 includes a thermosetting resin, calcium carbonate, an aggregate, and water.Type: ApplicationFiled: May 31, 2021Publication date: August 8, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Hisatoshi KASAHARA, Yosuke TAKEUCHI, Yosuke OKAMURA, Junichiro TAMAMATSU
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Patent number: 12056677Abstract: A module provided in a predetermined space of an operation panel of a transaction terminal device to input and output digital information, includes: a wireless unit, a scanner unit, and a housing. The housing has a first front surface member and a second front surface member, a lower side of the first front surface member projects toward an operator with respect to an upper side of the first front surface member, an upper side of the second front surface member projects toward the operator with respect to a lower side of the second front surface member, an antenna of the wireless unit is provided on a back side of the first front surface member, a lower side of the antenna projects toward the operator with respect to an upper side of the antenna, and the scanner unit reads a code through an opening of the second front surface member.Type: GrantFiled: July 11, 2021Date of Patent: August 6, 2024Assignee: NIDEC SANKYO CORPORATIONInventors: Kazunori Takahashi, Katsuhisa Higashi, Yosuke Oguchi, Junro Takeuchi
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Patent number: 12041707Abstract: A repair apparatus for repairing damaged reinforcing bars in a structure includes a strip-shaped conductor including conductive wires arranged in a height direction, the conductive wires being arranged in parallel, a high-frequency current generation unit configured to supply a high-frequency current between the conductive wires of a first end side of the conductor and the conductive wires of a second end side of the conductor, and a connection body configured to connect the conductive wires to each other and connect the first end side and the second end side of the conductor so that the conductive wires form a coil, and the high-frequency current generation unit supplies a high-frequency current between a conductive wire at an upper end or a lower end of the first end side of the conductor and a conductive wire at a lower end or an upper end of the second end side of the conductor.Type: GrantFiled: August 23, 2019Date of Patent: July 16, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Yosuke Takeuchi, Masahiro Sotoma, Takuya Kamisho, Masayuki Tsuda
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Patent number: 12031331Abstract: Reinforced concrete is protected from corrosion without conducting an operation involving exposure of rebar. A reinforced concrete structure is provided with a storage part that is formed inside concrete of the reinforced concrete structure, and that retains an anticorrosion solution. The anticorrosion solution diffuses and permeates through the concrete from the storage part, prevents the concrete in the vicinity of rebar from drying, and passivates the rebar.Type: GrantFiled: February 14, 2020Date of Patent: July 9, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Yosuke Takeuchi, Ryuta Ishii, Takuya Kamisho, Masayuki Tsuda
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Patent number: 12025608Abstract: An estimation method includes: an acquisition step (S101) of acquiring deflection stress information that indicates a relationship between a deflection and a tensile stress of a specimen (200) of a reinforced concrete structure; and a derivation step (S102) of deriving an estimation formula for estimating a depth of a crack generated in the reinforced concrete structure when a deflection of the reinforced concrete structure is no less than a first deflection of the specimen at a start of a generation of the crack, and is no greater than a second deflection of the specimen at an end of the generation of the crack.Type: GrantFiled: November 13, 2019Date of Patent: July 2, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Yosuke Takeuchi, Yosuke Okamura, Junichiro Tamamatsu
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Patent number: 11946856Abstract: To estimate a fracture starting point of steel due to hydrogen embrittlement with high accuracy. A steel fracture starting point estimation device includes a hydrogen concentration distribution calculation unit adapted to calculate a hydrogen concentration distribution in steel-to-be-estimated when the steel fractures due to hydrogen embrittlement; a local critical hydrogen content calculation unit adapted to calculate critical hydrogen content at which the steel-to-be-estimated fractures due to hydrogen embrittlement; and a fracture starting point estimation unit adapted to read the hydrogen concentration distribution out of a storage unit. To estimate, calculate, from the hydrogen concentration distribution, a location in the steel in which hydrogen concentration of the critical hydrogen content is distributed, and designate the location in the steel as the fracture starting point of the steel-to-be-estimated.Type: GrantFiled: April 24, 2019Date of Patent: April 2, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Takuya Kamisho, Masamitsu Watanabe, Yosuke Takeuchi
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Patent number: 11913895Abstract: To easily detect a crack having occurred in a steel material. A current measurement device measures a value of a current flowing through a target steel material that is immersed in an electrolyte aqueous solution and applied with tensile stress while subjected to hydrogen charging, and a device for detecting the occurrence of a crack or the like uses the measured current value to determine the occurrence of a crack in the target steel material when the amount of change in the current flowing through the target steel material, the change rate of the amount of change in the current, or the change rate of the change rate of the amount of change in the current exceeds a threshold value.Type: GrantFiled: May 28, 2019Date of Patent: February 27, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Yosuke Takeuchi, Takuya Kamisho, Masamitsu Watanabe
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Patent number: 11867609Abstract: An accelerated corrosion test apparatus includes: a moisture sensor disposed near the reinforcing steel exposed from a cracked portion of concrete; a weight measuring instrument that measures a weight of the reinforced concrete specimen; and a control terminal that is connected both to the moisture sensor and to the weight measuring instrument and controls a temperature and humidity control device, thereby alternately and repeatedly performing a wetting step of supplying moisture to the inside of a crack in the cracked concrete, and a drying step of removing moisture in the inside of the crack and moisture on the exposed surface of the reinforcing steel, wherein the control terminal terminates the wetting step and starts the drying step when moisture is detected in the moisture sensor, or when change in slope of weight change of the reinforced concrete specimen is detected, after the start of the wetting step.Type: GrantFiled: June 28, 2019Date of Patent: January 9, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Yosuke Takeuchi, Takashi Miwa, Takuya Kamisho, Soichi Oka
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Patent number: 11852565Abstract: A composition ratio calculating unit configured to calculate a first composition ratio that is a ratio of substance quantities of rust collected from a broken surface of internal steel of an updated old concrete structure and a second composition ratio that is a ratio of substance quantities of rust collected from a surface different from the broken surface, a composition ratio calculating unit configured to calculate a first corrosion time corresponding to the first composition ratio and a second corrosion time corresponding to the second composition ratio from characteristics representing a relation between a first corrosion time and the first composition ratio and a relation between a second corrosion time and the second composition ratio, respectively, and a breaking time calculating unit configured to calculate a time for the internal steel to break by subtracting the first corrosion time from the second corrosion time are included.Type: GrantFiled: August 27, 2019Date of Patent: December 26, 2023Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Ryuta Ishii, Takuya Kamisho, Yosuke Takeuchi, Masayuki Tsuda
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Publication number: 20230411823Abstract: A composite member (1) according to the present disclosure includes a base material (10) containing a non-metal as a main material, a metal material (20) on which a wiring pattern is formed, the metal material being embedded in the base material (10) to reinforce the base material (10), and a feeding point (21) to the metal material (20).Type: ApplicationFiled: November 5, 2020Publication date: December 21, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Yosuke TAKEUCHI, Hisatoshi KASAHARA, Yosuke OKAMURA, Junichiro TAMAMATSU
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Publication number: 20230375524Abstract: An assessment device (1) according to the present disclosure includes a determination unit (10) that determines a first period corresponding to a shortest period until deterioration of a concrete structure due to an aging-induced deterioration cause appears and a second period shorter than the first period and corresponding to a longest period until deterioration of the concrete structure due to a material-induced deterioration cause appears and an assessment unit (20) that assesses that a deterioration causing material is used in a concrete structure having, in a checking result indicating a period elapsed from construction of the concrete structure and the presence or absence of deterioration in the concrete structure, the deterioration and the period elapsed from the construction which is not shorter than the second period and is shorter than the first period.Type: ApplicationFiled: March 26, 2020Publication date: November 23, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Hisatoshi KASAHARA, Yosuke TAKEUCHI, Yosuke OKAMURA, Junichiro TAMAMATSU
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Publication number: 20230314018Abstract: A humidity adjustment device (10) according to the present disclosure includes a control unit (11) that acquires humidity information indicating humidity of a space part of a manhole and controls the humidity on the basis of the humidity information.Type: ApplicationFiled: August 31, 2020Publication date: October 5, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Hisatoshi KASAHARA, Yosuke TAKEUCHI, Yosuke OKAMURA, Junichiro TAMAMATSU
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Patent number: 11725295Abstract: A heat recovery device including: a warm-water bath storing warm water and a drying chamber, wherein warm exhausted air from the chamber heats the water includes: an exhaust duct that the exhausted air from the chamber to the outside air passes; an exhaust bypass duct between two positions in the exhaust duct; a circulation pipe through which the water circulates; a heat exchanger provided generates air in the bypass duct to be absorbed by water in the circulation pipe; a warm-water bypass pipe between two positions downstream to the heat exchanger in the circulation pipe or between one position downstream to the heat exchanger in the circulation pipe and the warm-water bath; a heatsink provided at the bypass pipe; a first distribution-changing valve for distribution of air flowing from the exhaust duct to the exhaust bypass duct; and a second distribution valve for distributing water to the bypass pipe.Type: GrantFiled: June 4, 2019Date of Patent: August 15, 2023Assignee: TRINITY INDUSTRIAL CORPORATIONInventors: Yosuke Takeuchi, Koichi Tanaka
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Publication number: 20230147761Abstract: An aqueous solution (20) is an aqueous solution used for repairing an aluminum-coated steel wire (10) with defects leading to there being iron, which contains magnesium chloride having a concentration of 10% or more, and magnesium sulfate having a concentration of 6% or more, and which allows an anticorrosion layer made of an alloy component of magnesium and aluminum to be formed.Type: ApplicationFiled: March 25, 2020Publication date: May 11, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Yosuke TAKEUCHI, Junichiro TAMAMATSU, Yosuke OKAMURA, Hisatoshi KASAHARA
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Publication number: 20230114389Abstract: A passive relay device (100) relays radio communication between the inside of a radio wave shielding structure (200) and the outside of the radio wave shielding the structure (200), and the device includes an internal antenna (10) which connects with the inside, an external antenna (20) which connects with the outside, and a connection part (30) which connects the internal antenna (10) and the external antenna (20).Type: ApplicationFiled: February 6, 2020Publication date: April 13, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Yosuke TAKEUCHI, Hisatoshi KASAHARA, Yosuke OKAMURA, Junichiro TAMAMATSU, Tomoki MURAKAMI
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Publication number: 20220390430Abstract: An estimation method includes: an acquisition step (S101) of acquiring deflection stress information that indicates a relationship between a deflection and a tensile stress of a specimen (200) of a reinforced concrete structure; and a derivation step (S102) of deriving an estimation formula for estimating a depth of a crack generated in the reinforced concrete structure when a deflection of the reinforced concrete structure is no less than a first deflection of the specimen at a start of a generation of the crack, and is no greater than a second deflection of the specimen at an end of the generation of the crack.Type: ApplicationFiled: November 13, 2019Publication date: December 8, 2022Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Yosuke TAKEUCHI, Yosuke OKAMURA, Junichiro TAMAMATSU