Inventor · Schifferstadt, DE

Guenter Vaeth

17Patents
7h-index
35Co-inventors
62Inventor score

Filing activity: Aug 25, 1975 → Feb 12, 1987

Most-cited inventions

PatentTitleAreaCited byStatus
US4058646A Magnetic recording media containing elastomeric polyurethane binders in the magnetic coating Emerging Cross-Sectional Technologies 16 Expired
US4296149A Manufacture of acicular cobalt-containing magnetic iron oxide Physics 13 Expired
US4058506A Thermoplastic, elastic polyurethanes which are soluble in ethers and/or ketones Chemistry; Metallurgy 9 Expired
US4729785A Preparation of acicular ferromagnetic metal particles consisting essentially of iron Physics 9 Expired
US4464352A Manufacture of acicular ferrimagnetic iron oxide Chemistry; Metallurgy 8 Expired
US4497723A Preparation of acicular, ferrimagnetic iron oxides Chemistry; Metallurgy 8 Expired
US4091143A Magnetic recording media Emerging Cross-Sectional Technologies 7 Expired
US4061725A Manufacture of gamma-iron(III) oxide Chemistry; Metallurgy 7 Expired
US4061727A Manufacture of .gamma.-iron(III) oxide Chemistry; Metallurgy 6 Expired
US4340494A Process for the manufacture of ferromagnetic chromium dioxide Chemistry; Metallurgy 6 Expired
US4061726A Manufacture of acicular .gamma.-iron(III) oxide Chemistry; Metallurgy 6 Expired
US4448761A Preparation of acicular, ferrimagnetic iron oxides Chemistry; Metallurgy 5 Expired
US4457982A Acicular ferrimagnetic iron oxide and its preparation Emerging Cross-Sectional Technologies 3 Expired
US4357378A Magnetic recording media Emerging Cross-Sectional Technologies 2 Expired
US4362708A Preparation of acicular gamma-iron(III) oxide of high coercive force Chemistry; Metallurgy 1 Expired
US4755315A Preparation of cobalt-containing isotropic magnetic iron oxides Physics 1 Expired
US4755395A Preparation of acicular cobalt-containing ferrimagnetic iron oxides Physics 1 Expired

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