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Seal device
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Patent number 12,281,708
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Issue date Apr 22, 2025
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Mitsubishi Heavy Industries, Ltd.
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Norihisa Takei
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Shaft sealing device and rotary machine
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Patent number 12,247,490
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Issue date Mar 11, 2025
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Mitsubishi Heavy Industries, Ltd.
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Kohei Ozaki
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Seal member and rotary machine
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Patent number 11,905,838
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Issue date Feb 20, 2024
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Mitsubishi Heavy Industries, Ltd.
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Tatsuro Furusho
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Seal segment and rotating machine
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Patent number 11,614,035
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Issue date Mar 28, 2023
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Mitsubishi Heavy Industries, Ltd.
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Azumi Yoshida
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS