Seiji Ishida

6 Patents

• US125739722026

  Electric Power Generation System

  Hitachi Construction Machinery Co., Ltd.

  0 cites
• US124603802025

  Electric Work Machine

  HITACHI CONSTRUCTION MACHINERY CO., Ltd.

  0 cites
• US123191552025

  Drive System for Dump Truck

  Hitachi Construction Machinery Co., Ltd.

  0 cites
• US122246502025

  Drive System Having an Induction Generator with a Main Winding and Auxiliary Winding

  Hitachi Construction Machinery Co., Ltd.

  0 cites
• US121917892025

  Drive System

  Hitachi Construction Machinery Co., Ltd.

  0 cites
• US119645692024

  Construction Machine

  Hitachi Construction Machinery Co., Ltd.

  0 cites