CompanyCompetitive AnalysisCompany Patent Opposition Analysis

Explore Sumitomo Chemical'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 7, 2025
Patent NumberGrant DateTitleTotal Oppositions
Mar 22, 2023Heterocyclic Compounds And Noxious Arthropod Control Agent Containing Same1
Dec 23, 2020Method For Producing Glycols From Oxirane Compound1
Jun 5, 2019Method For Producing Polyolefin1
Jul 4, 2018Positive Electrode Active Material For Lithium Secondary Batteries, Positive Electrode For Lithium Secondary Batteries, And Lithium Secondary Battery1

Top competitors of Sumitomo Chemical

Top competitors of Sumitomo Chemical based on patent oppositions.