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: Aug 20, 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: Aug 20, 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
EP2974939
Jun 7, 2023Train Management System2
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
EP2023473
Feb 13, 2019Power Inverter1
EP2149973
Sep 19, 2018Power Conversion Apparatus And Electric Vehicle1
EP1816347
Jun 6, 2018Wind Turbine Generator1
EP2169048
Mar 21, 2018System And Method For Cultivating Cells1

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: Aug 20, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
HITACHI113 - -
BOMBARDIER TRANSPORTATION1440 - -
SIEMENS MOBILITY8969610
VALEO SIEMENS EAUTOMOTIVE FRANCE3 - - -