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Hitachi Metals patent opposition analysis

Latest patents of Hitachi Metals opposed by its competitors

Explore Hitachi Metals'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 28, 2025
Patent NumberGrant DateTitleTotal Oppositions
EP3358026
Dec 4, 2024Spheroidal Graphite Cast Iron With Excellent Gas Defect Resistance1
EP2927337
Nov 6, 2024Precipitation Hardening Type Martensitic Steel And Process For Producing Same1
EP3173500
Mar 27, 2024Hot-Working Tool Material, Method For Manufacturing Hot-Working Tool, And Hot-Working Tool1
EP3150735
Jan 15, 2020Hot Work Tool Material And Method For Manufacturing Hot Work Tool1
EP3050986
Jul 31, 2019High-Speed-Tool Steel And Method For Producing Same1
EP2682491
Jul 4, 2018Hot Work Tool Steel Having Excellent Toughness, And Process Of Producing Same1
EP3012872
Jul 12, 2017Solar Cell2

Top competitors of Hitachi Metals

Top competitors of Hitachi Metals based on patent oppositions.