Inventor · Bischofswerda, DE

Manfred Steuerwald

6Patents
4h-index
14Co-inventors
50Inventor score

Filing activity: Dec 18, 1974 → Sep 4, 1991

Most-cited inventions

PatentTitleAreaCited byStatus
US3996407A Magnetic recording media Emerging Cross-Sectional Technologies 12 Expired
US4396886A Document authentication by means of exchange-anisotropic magnetic material Physics 9 Expired
US4272563A Manufacture of magnetic recording media having a wear-resistant surface Physics 6 Expired
US5264292A Transfer film having magnetic layers Emerging Cross-Sectional Technologies 5 Expired
US4438462A Document identification employing exchange-anisotropic magnetic material Physics 3 Expired
US5496633A Transfer film with magnetic layer Emerging Cross-Sectional Technologies 3 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.