IP Verse

Hitachi, Ltd. competitive analysis

Latest oppositions filed by Hitachi, Ltd.

Explore patent oppositions filed by Hitachi, Ltd. against competitors, revealing strategic technology disputes and market positioning.

Last updated on: Sep 10, 2026
Patent NumberTitleApplicantOpposition Date
EP2729341
Rail Vehicle SystemSIEMENSJun 27, 2018

Latest patents of Hitachi, Ltd. opposed by its competitors

Explore Hitachi, Ltd.'s recently opposed patents, revealing key competitive challenges and strategic patent disputes in the industry. Track oppositions filed by competitors to understand technology battlegrounds and assess potential risks.

Last updated on: Sep 10, 2026
Patent NumberPublication DateTitleTotal Oppositions
EP3988376
Feb 19, 2025Train Security System, Train Security Control Method, And On-Train Device1
EP3228490
Jan 15, 2025Power Conversion Device1
EP3694741
Nov 27, 2024Train Traction System1
EP2671748
Nov 15, 2023Driving System, Driving System For Railroad-Vehicle, And Railroad-Vehicle And Multi-Car Train Mounted With Same3
EP2689983
Jul 26, 2023Drive System And Railway Vehicle Provided With The Drive System2
EP2974939
Jun 7, 2023Train Management System3
EP3431357
Jan 25, 2023Vehicle Body Structure Adapted For Use In Railroad Vehicle And Provided With Wire/Pipe Module, And Method For Manufacturing Same1
EP2722246
Nov 10, 2021Vehicle Body Structure Adapted For Use In Railroad Vehicle And Provided With Wire/Pipe Module, And Method For Manufacturing Same1
EP1930584
Aug 21, 2019Hub For A Horizontal Axis Wind Turbine1
EP2023473
Feb 13, 2019Power Inverter1

Latest PTAB cases involving Hitachi, Ltd.

Discover the latest PTAB cases involving Hitachi, Ltd., highlighting their recent legal challenges and patent disputes.

Peer Comparison New

IP litigation analysis comparing Hitachi, Ltd. with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Sep 10, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
HITACHI125 - -
BOMBARDIER TRANSPORTATION2059 - -
SIEMENS313332 - -
SIEMENS MOBILITY8869610