Inventor · Pittsburgh, PA, US

Mark H. Kryder

26Patents
11h-index
28Co-inventors
75Inventor score

Filing activity: Dec 31, 1974 → Oct 2, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US4888750A Method and system for erase before write magneto-optic recording Physics 73 Expired
US5358088A Horizontal magnetoresistive head apparatus and method for detecting magnetic data Physics 55 Expired
US6011664A Techniques for ultrahigh density writing with a probe on erasable magnetic media Emerging Cross-Sectional Technologies 49 Expired
US5155643A Unshielded horizontal magnetoresistive head and method of fabricating same Physics 32 Expired
US6531202B1 Perpendicular magnetic recording media with reduced-noise soft magnetic underlayer Emerging Cross-Sectional Technologies 28 Expired
US4882718A Single-head, direct overwrite magneto-optic system and method Physics 22 Expired
US5378885A Unshielded magnetoresistive head with multiple pairs of sensing elements Physics 21 Expired
US4800457A Magnetoresistive sensor element Physics 20 Expired
US4679180A Process for direct over-writing of digital data recorded on magneto-optical recording media Physics 18 Expired
US4035785A Bubble domain sensor-error detector Physics 11 Expired
US5528564A Direct overwrite magneto-optic system for strip erasing and recording elongated domains Physics 11 Expired
US7394622B2 Magnetic recording media with discrete tracks of magnetic material in a magnetically soft underlayer Physics 10 Active
US6771462B1 Perpendicular recording head including concave tip Physics 9 Expired
US4670316A Thermo-magnetic recording materials supporting small stable domains Emerging Cross-Sectional Technologies 8 Expired
US6037052A Magnetic thin film ferrite having a ferrite underlayer Emerging Cross-Sectional Technologies 7 Expired
US5184335A Method and system for erasing previously recorded domains in a magneto-optic recording medium Physics 6 Expired
US3988722A Single sided, high density bubble domain propagation device Electricity 6 Expired
US9076476B2 Thin film media structure for perpendicular magnetic recording and storage devices made therewith Physics 6 Active
US4247912A Magnetic bubble domain chip with enhanced propagation margins Physics 3 Expired
US5863661A Method of enhancing the c-axis perpendicular orientation of barium hexaferrite thin films and barium hexaferrite thin film recording media produced thereby Emerging Cross-Sectional Technologies 2 Expired
US4008463A Integrated bubble nucleator Physics 1 Expired
US6865056B1 Longitudinal magnetic recording heads with variable-length gaps Physics 0 Expired
US4156936A Apparatus and method for improved operation of bubble devices Electricity 0 Expired
US4221000A Improved bubble domain storage array Emerging Cross-Sectional Technologies 0 Expired
US4229807A Current controlled disk replicator Physics 0 Expired

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