Inventor · San Jose, CA, US

Mao-Min Chen

107Patents
23h-index
66Co-inventors
93Inventor score

Filing activity: Dec 27, 1990 → Jan 20, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US5652687A Planarized thin film magnetic write head with submicron trackwidth Emerging Cross-Sectional Technologies 100 Expired
US5802700A Method of making a planarized thin film magnetic write head with submicron trackwidth Emerging Cross-Sectional Technologies 98 Expired
US6292336A Giant magnetoresistive (GMR) sensor element with enhanced magnetoresistive (MR) coefficient Physics 96 Expired
US5606478A Ni.sub.45 Fe.sub.55 metal-in-gap thin film magnetic head Physics 96 Expired
US5491600A Multi-layer conductor leads in a magnetoresistive head Physics 93 Expired
US5283942A Sacrificial layer planarization process for fabricating a narrow thin film inductive head Emerging Cross-Sectional Technologies 59 Expired
US5175658A Thin film magnetic head having a protective coating and method for making same Physics 58 Expired
US5452165A Close packed magnetic head linear array Physics 50 Expired
US6770382B1 GMR configuration with enhanced spin filtering Emerging Cross-Sectional Technologies 43 Expired
US5285339A Magnetoresistive read transducer having improved bias profile Physics 43 Expired
US5664316A Method of manufacturing magnetoresistive read transducer having a contiguous longitudinal bias layer Emerging Cross-Sectional Technologies 42 Expired
US5812350A Metal-in-gap thin film magnetic head employing Ni.sub.45 Fe.sub.55 Physics 41 Expired
US5271802A Method for making a thin film magnetic head having a protective coating Emerging Cross-Sectional Technologies 38 Expired
US5864450A NI45FE55 metal-in-gap thin film magnetic head Physics 36 Expired
US5843521A Photoresist frame plated magnetic transducer pole layer employing high magnetic permeability seed layer Emerging Cross-Sectional Technologies 36 Expired
US6103136A Method for forming a soft adjacent layer (SAL) magnetoresistive (MR) sensor element with transversely magnetically biased soft adjacent layer (SAL) Emerging Cross-Sectional Technologies 35 Expired
US5282308A Thin film planarization process for fabricating magnetic heads employing a stitched pole structure Emerging Cross-Sectional Technologies 32 Expired
US6243939A High ion beam etch selectivity for partial pole trim application Emerging Cross-Sectional Technologies 30 Expired
US8673654B2 Underlayer for high performance magnetic tunneling junction MRAM Emerging Cross-Sectional Technologies 28 Active
US5262914A Magnetoresistive head with enhanced exchange bias field Physics 27 Expired
US6129957A Method of forming a second antiferromagnetic exchange-coupling layer for magnetoresistive (MR) and giant MR (GMR) applications Emerging Cross-Sectional Technologies 26 Expired
US6324037A Magnetically stable spin-valve sensor Physics 25 Expired
US7611912B2 Underlayer for high performance magnetic tunneling junction MRAM Emerging Cross-Sectional Technologies 24 Expired
US6383574B1 Ion implantation method for fabricating magnetoresistive (MR) sensor element Electricity 22 Expired
US6430015B2 Method of fabrication of striped magnetoresistive (SMR) and dual stripe magnetoresistive (DSMR) heads with anti-parallel exchange configuration Physics 22 Expired

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