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Yukiaki Shimizu

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Power regeneration system of work vehicle
    • Patent number 11,332,115
    • Issue date May 17, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Shintarou Tanaka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Power regeneration system for work vehicle
    • Patent number 11,173,890
    • Issue date Nov 16, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Naoki Fukuda
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Motor vehicle bogie
    • Patent number 4,593,625
    • Issue date Jun 10, 1986
    • Hitachi, Ltd.
    • Yukiaki Shimizu
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents