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Tosoh competitive analysis

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Explore Tosoh'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: Nov 13, 2025
Patent NumberPublication DateTitleTotal Oppositions
Mar 19, 2025Chabazite-Type Zeolite And Process For Production Of Same2
Dec 29, 2021Colored And Light-Transmitting Sintered Zirconia Compact And Use Of Same2
Jan 22, 2020Solid Polymethylaluminoxane Composition And Process For Producing Same1
Nov 27, 2019Translucent Zirconia Sintered Body And Zirconia Powder, And Use Therefor1
Jun 26, 2019Zirconia Sintered Bodies With High Total Light Transmission And High Strength, Uses Of The Same, And Process For Production Thereof1
Jun 19, 2019Colored Translucent Zirconia Sintered Body And Powder, And Use Thereof2
Jun 7, 2017Translucent Zirconia Sintered Body, Process For Producing The Same, And Use Of The Same3

Latest PTAB cases involving Tosoh

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

Peer Comparison New

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

Last updated on: Nov 13, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
TOSOH FINECHEM - 1 - -
SLINGSBY1 - - -