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Rail vehicle axle
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Patent number 12,000,028
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Issue date Jun 4, 2024
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Nippon Steel Corporation
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Taizo Makino
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C21 - METALLURGY OF IRON
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Rail vehicle axle
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Patent number 10,392,683
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Issue date Aug 27, 2019
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Nippon Steel Corporation
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Taizo Makino
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B60 - VEHICLES IN GENERAL
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Age-hardenable steel
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Patent number 10,066,281
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Issue date Sep 4, 2018
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Nippon Steel & Sumitomo Metal Corporation
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Masashi Higashida
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C21 - METALLURGY OF IRON
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Hot-forged section material and common rail
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Patent number 9,951,403
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Issue date Apr 24, 2018
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Nippon Steel & Sumitomo Metal Corporation
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Naoki Matsui
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Rolled steel bar for hot forging
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Patent number 9,574,255
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Issue date Feb 21, 2017
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Nippon Steel & Sumitomo Metal Corporation
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Masashi Higashida
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C21 - METALLURGY OF IRON