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Hitachi Zosen competitive analysis

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

Last updated on: Jan 1, 2026
Patent NumberTitleApplicantOpposition Date

Get instant updates on new opposition filings by Hitachi Zosen

Waste Composition Estimation Device, System, Program, Method, And Data StructureEBARA ENVIRONMENTAL PLANTJan 20, 2022
Method And Facility For Recovering Energy From WasteSUEZNov 18, 2020

Explore Hitachi Zosen'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: Jan 1, 2026
Patent NumberPublication DateTitleTotal Oppositions

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Nov 13, 2024Waste Crane Operation Device And Waste Crane Operation Method1
Mar 20, 2024Method For Optimising The Burnout Of Exhaust Gases Of An Incinerator1
Mar 15, 2023Method For Creating Methane-Enriched Gas1

Latest PTAB cases involving Hitachi Zosen

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

Peer Comparison New

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

Last updated on: Jan 1, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
HITACHI ZOSEN INOVA21 - -
DOOSAN LENTJES31 - -
EBARA ENVIRONMENTAL PLANT - 3 - -
SUEZ18 - -