Patent assignee · FR · COMPANY

Silmag

12Patents
0Active
12Granted
28Portfolio score

Filing activity: Jan 7, 1994 → Nov 24, 1997

Most-cited patents

PatentTitleAreaCited byStatus
US5508862A Slider with an improved profile Physics 23 Expired
US5640754A Process of producing a magnetic read head having a multilayer magnetoresistant element and a concentrator Emerging Cross-Sectional Technologies 22 Expired
US5648884A Magnetic head with an underlying longitudinal multilayer magnetoresistor Physics 18 Expired
US5910869A Planar magnetic head with longitudinal multilayer magnetoresistance Physics 15 Expired
US5863450A Process for making a plane magnetic head and magnetic head obtained by this process Physics 14 Expired
US5476804A Process for producing a semiconductor field detector magnetic head Emerging Cross-Sectional Technologies 13 Expired
US5764448A Magnetic read head having a multilayer magnetoresistant element and a concentrator, as well as its production process Emerging Cross-Sectional Technologies 8 Expired
US5504643A Magnetic read/write head having a writing-compensated magnetoresistant element Physics 5 Expired
US5764447A High reluctance magnetic head Physics 4 Expired
US6098270A Process for producing a slider having composite welding studs Emerging Cross-Sectional Technologies 2 Expired
US6008968A Slider having composite welding studs and production process Physics 2 Expired
US6014292A Magnetic recording medium and magnetic head assembly with a medium magnetic coating having a high product of residual magnetization and thickness Physics 0 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.