Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Magnetic disc having a magnetic layer with a glass transition temperature of at least 75.degree. C. which contains magnetic metal powder of specified pH and surface area

Magnetic disc having a magnetic layer with a glass transition temperature of at least 75.degree. C. which contains magnetic metal powder of specified pH and surface area

US Patent 5178925 · Granted Jan 12, 1993

Estimated economic value: $34,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Optical scanning device, driving method of optical scanning device, and image dr2025
Wire bonding apparatus2024
Vehicle outer mirror device, vehicle outer mirror system, and method for control2023
Touch sensor panel2019
Wire-bonding apparatus and method of manufacturing semiconductor device2017
Wiring substrate2017
Circuit board2016
Capacitance type touch panel, manufacturing method of the same, and input device2016
Method of manufacturing semiconductor device2016
Wire bonding apparatus and bonding method2016
Body section radiographic apparatus, and a noise removing method for the body se2014
Magnetic recording medium and magnetic signal reproduction method2012