Inventor · Santa Clara, CA, US

Harold J. Hamilton

27Patents
18h-index
25Co-inventors
81Inventor score

Filing activity: May 6, 1981 → Oct 20, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US5041932A Integrated magnetic read/write head/flexure/conductor structure Emerging Cross-Sectional Technologies 110 Expired
US4423450A Magnetic head and multitrack transducer for perpendicular recording and method for fabricating Physics 60 Expired
US5111351A Integrated magnetic read/write head/flexure/conductor structure Physics 58 Expired
US5490027A Gimbaled micro-head/flexure/conductor assembly and system Physics 53 Expired
US5063712A Micro-burnishing flex head structure Emerging Cross-Sectional Technologies 50 Expired
US5557488A Gimbaled micro-head/flexure/conductor assembly and system Physics 44 Expired
US6600631B1 Transducer/flexure/conductor structure for electromagnetic read/write system Physics 43 Expired
US5163218A Method of making integrated magnetic read/write head/flexure/conductor structure Emerging Cross-Sectional Technologies 41 Expired
US5632669A Interactive method for lapping transducers Emerging Cross-Sectional Technologies 37 Expired
US5885131A Interactive device for lapping transducers Emerging Cross-Sectional Technologies 36 Expired
US5949612A Low friction sliding hard disk drive system Emerging Cross-Sectional Technologies 35 Expired
US5073242A Method of making integrated magnetic read/write head/flexure/conductor structure Emerging Cross-Sectional Technologies 33 Expired
US5453315A Unitary micro-flexure structure and method of making same Emerging Cross-Sectional Technologies 32 Expired
US6212047A Hard disk drive with magnetoresistive head and perpendicular media Physics 28 Expired
US4751598A Thin-film, cross-field, closed-flux, anisotropic electromagnetic field device Physics 23 Expired
US6320725A Hard disk drive having ring head with predominantly perpendicular media fields Physics 20 Expired
US4860139A Planarized read/write head and method Emerging Cross-Sectional Technologies 19 Expired
US5174012A Method of making magnetic read/write head/flexure/conductor unit(s) Emerging Cross-Sectional Technologies 18 Expired
US6493191B1 Planar magnetic ring head for contact recording with a rigid disk Physics 15 Expired
US6198607A Contact planar magnetoresistive head Physics 15 Expired
US7095585B2 Hard disk drive for perpendicular recording with transducer having submicron gap between pole tips Physics 10 Expired
US6411470B1 Durable, low-vibration, dynamic-contact hard disk drive system Physics 7 Expired
US6160685A Hard disk drive with lightly contacting head Physics 7 Expired
US5483025A Unitary micro-flexure structure Physics 6 Expired
US6535361B2 Contact planar magnetoresistive head Physics 5 Expired

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