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Differential case
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Patent number 11,674,588
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Issue date Jun 13, 2023
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Hitachi Astemo, Ltd.
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Kenji Fukasawa
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Gear for differential and differential
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Patent number 11,391,354
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Issue date Jul 19, 2022
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HITACHI ASTEMO, LTD.
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Kenji Fukasawa
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Motor drive device
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Patent number 11,084,371
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Issue date Aug 10, 2021
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Showa Corporation
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Kenji Fukasawa
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B60 - VEHICLES IN GENERAL