CompanyCompetitive AnalysisCompany Patent Opposition Analysis

Explore Nabtesco'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 21, 2025
Patent NumberGrant DateTitleTotal Oppositions
Jan 31, 2024Railcar Door Apparatus And The Railcar Equipped Therewith1
Nov 8, 2023Gear Device And Method Of Manufacturing The Same1
Sep 20, 2023Air Supply System1
Aug 16, 2023Notification Device And Door Opening-Closing Device1
Jan 11, 2023Vehicle Compressed Air Supply Device1
Oct 27, 2021Protection Valve1
Jun 23, 2021Disc Brake Pad And Brake Caliper Device1
Nov 25, 2020Air Supply System1
Dec 4, 2019Brake System For Rail Cars, Brake Control Device For Rail Car, And Brake Control Method For Rail Cars1
Aug 21, 2019Silencer, Exhaust Valve, Valve Device, Air Dryer, Compressed Air Supply Device For Vehicle, And Compressed Air Supply System1

Top competitors of Nabtesco

Top competitors of Nabtesco based on patent oppositions.