Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › High-strength spring steel excellent in brittle fracture resistance and method for producing same

High-strength spring steel excellent in brittle fracture resistance and method for producing same

US Patent 8038934 · Granted Oct 18, 2011

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method for producing resin part2025
Power control unit2023
Vehicle drive system2022
Vehicle driving device2022
Layout structure for front compartment of hybrid vehicle2021
Method for producing sheet-like pancreatic islet2021
Blow-by gas recirculation device for internal combustion engine2020
Pressure ring2020
Steel for mechanical structure for cold working, and method for producing same2020
Method for manufacturing steel for high-strength hollow spring2020
Control device for internal combustion engine2019
Blow-by gas recirculation device for internal combustion engine2019