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公开(公告)号：US20230375524A1
公开(公告)日：2023-11-23
申请号：US17913150
申请日：2020-03-26
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Hisatoshi KASAHARA , Yosuke TAKEUCHI , Yosuke OKAMURA , Junichiro TAMAMATSU
IPC: G01N33/38
CPC classification number: G01N33/383
Abstract: 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.
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公开(公告)号：US20240272036A1
公开(公告)日：2024-08-15
申请号：US18567339
申请日：2021-06-07
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Hisatoshi KASAHARA , Yosuke TAKEUCHI , Junichiro TAMAMATSU , Yosuke OKAMURA
IPC: G01M5/00
CPC classification number: G01M5/0041
Abstract: 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.
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公开(公告)号：US20240264140A1
公开(公告)日：2024-08-08
申请号：US18565039
申请日：2021-05-31
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Hisatoshi KASAHARA , Yosuke TAKEUCHI , Yosuke OKAMURA , Junichiro TAMAMATSU
CPC classification number: G01N33/383 , G01N3/20
Abstract: 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.
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公开(公告)号：US20230411823A1
公开(公告)日：2023-12-21
申请号：US18034384
申请日：2020-11-05
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Yosuke TAKEUCHI , Hisatoshi KASAHARA , Yosuke OKAMURA , Junichiro TAMAMATSU
Abstract: 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).
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公开(公告)号：US20230147761A1
公开(公告)日：2023-05-11
申请号：US17913148
申请日：2020-03-25
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Yosuke TAKEUCHI , Junichiro TAMAMATSU , Yosuke OKAMURA , Hisatoshi KASAHARA
IPC: C23F11/18
CPC classification number: C23F11/182
Abstract: 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.
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Patent Agency Ranking
公开(公告)号：US20220390430A1
公开(公告)日：2022-12-08
申请号：US17776265
申请日：2019-11-13
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Yosuke TAKEUCHI , Yosuke OKAMURA , Junichiro TAMAMATSU
Abstract: 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.
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公开(公告)号：US20230314018A1
公开(公告)日：2023-10-05
申请号：US18022953
申请日：2020-08-31
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Hisatoshi KASAHARA , Yosuke TAKEUCHI , Yosuke OKAMURA , Junichiro TAMAMATSU
Abstract: 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.
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公开(公告)号：US20230114389A1
公开(公告)日：2023-04-13
申请号：US17798060
申请日：2020-02-06
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Yosuke TAKEUCHI , Hisatoshi KASAHARA , Yosuke OKAMURA , Junichiro TAMAMATSU , Tomoki MURAKAMI
IPC: H04B7/145
Abstract: 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).
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9.发明申请公开(公告)号：US20220275598A1
公开(公告)日：2022-09-01
申请号：US17627617
申请日：2019-07-18
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Norihiro FUJIMOTO , Yosuke OKAMURA , Kazuhiko GOTO
Abstract: Provided are an underground installation support device improving installation workability of a support member supporting an underground installation and a method of manufacturing the support device. A support device 100 according to the disclosure is a support device 100 supporting an underground installation (a communication cable 700) and including a vertical frame member 20 that extends in a substantially vertical direction, lateral frame members 30A and 30B that are attached to the vertical frame member 20 and extend in a substantially horizontal direction, and an installation support member 40 that is attached to the vertical frame member 20 and the support device is disposed on a bottom portion (a bottom wall 505) of an underground cavity (a manhole 500).
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公开(公告)号：US20220163441A1
公开(公告)日：2022-05-26
申请号：US17417374
申请日：2019-12-16
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Norihiro FUJIMOTO , Hisatoshi KASAHARA , Yosuke OKAMURA
IPC: G01N17/00 , G01N33/2045 , G01N33/38
Abstract: A degradation predicting method is a degradation predicting method for predicting degradation of a reinforced concrete structure buried in the ground, the method including: a condensation occurrence condition evaluating step (S1) of evaluating a condensation occurrence condition on which condensation occurs on reinforcing steel; a condensation time calculating step (S2) of calculating a condensation time that is a total time in which condensation occurs on the reinforcing steel based on the condensation occurrence condition for each of a plurality of the reinforced concrete structures; a threshold determining step (S3) of determining a threshold of underground depth at which the reinforced concrete structure is less prone to degradation based on a relationship between the condensation time and a underground depth of the reinforced concrete structure; and a degradation predicting step (S4) of predicting degradation of a prediction-target reinforced concrete structure based on the threshold.
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