Hitachi Metals competitive analysis

Latest publications and patents of Hitachi Metals New

Explore the latest publications and patents granted to Hitachi Metals, showcasing their recent innovations and technological advancements.

Last updated on: Sep 22, 2025
Publication NumberPublication DateTitleLegal Status

Get instant update for new patents of Hitachi Metals

Dec 4, 2024Spheroidal Graphite Cast Iron With Excellent Gas Defect ResistancePatent Maintained As Amended
Nov 6, 2024Precipitation Hardening Type Martensitic Steel And Process For Producing SamePatent Maintained As Amended
Mar 27, 2024Hot-Working Tool Material, Method For Manufacturing Hot-Working Tool, And Hot-Working ToolPatent Maintained As Amended
Jan 15, 2020Hot Work Tool Material And Method For Manufacturing Hot Work ToolGranted And Under Opposition
Jul 31, 2019High-Speed-Tool Steel And Method For Producing SameRevoked
Jul 4, 2018Hot Work Tool Steel Having Excellent Toughness, And Process Of Producing SameRevoked
Jan 31, 2018Method For Manufacturing Niobate-System Ferroelectric Thin Film DeviceNo Opposition Filed Within Time Limit
Jan 31, 2018Dust Core, Coil Component, And Method For Producing Dust CoreNo Opposition Filed Within Time Limit
Jan 3, 2018Cable With A Resin Molded Body And Method Of Manufacturing The SameNo Opposition Filed Within Time Limit
Jul 12, 2017Solar CellRevoked

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: Sep 25, 2025
Patent NumberGrant DateTitleTotal Oppositions
Dec 4, 2024Spheroidal Graphite Cast Iron With Excellent Gas Defect Resistance1
Nov 6, 2024Precipitation Hardening Type Martensitic Steel And Process For Producing Same1
Mar 27, 2024Hot-Working Tool Material, Method For Manufacturing Hot-Working Tool, And Hot-Working Tool1
Jan 15, 2020Hot Work Tool Material And Method For Manufacturing Hot Work Tool1
Jul 31, 2019High-Speed-Tool Steel And Method For Producing Same1
Jul 4, 2018Hot Work Tool Steel Having Excellent Toughness, And Process Of Producing Same1
Jul 12, 2017Solar Cell2

Latest PTAB cases involving Hitachi Metals

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

Last updated on: Sep 28, 2025
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Hitachi Metals

IPR2017-01313Apr 24, 2017HENGDIAN GROUP DMEGC MAGNETICSHITACHI METALSInstitution Denied
IPR2017-01312Apr 24, 2017HENGDIAN GROUP DMEGC MAGNETICSHITACHI METALSFinal Written Decision
IPR2014-01266Aug 11, 2014ALLIANCE OF RARE EARTH PERMANENT MAGNET INDUSTRYHITACHI METALSFinal Written Decision
IPR2014-01265Aug 11, 2014ALLIANCE OF RARE EARTH PERMANENT MAGNET INDUSTRYHITACHI METALSFinal Written Decision

Peer Comparison New

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

Last updated on: Sep 25, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases FacedStrategy Type
MITSUBISHI HITACHI METALS MACHINERY - 1 - - Non-Active
SMS GROUP8661 - - Aggressive