Frederick Dill
29Patents
14h-index
48Co-inventors
81Inventor score
Filing activity: Jul 3, 1974 → Sep 9, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6023395A | Magnetic tunnel junction magnetoresistive sensor with in-stack biasing | Physics | 140 | Expired |
| US5898548A | Shielded magnetic tunnel junction magnetoresistive read head | Physics | 139 | Expired |
| US6114719A | Magnetic tunnel junction memory cell with in-stack biasing of the free ferromagnetic layer and memory array using the cell | Electricity | 120 | Expired |
| US4053232A | Rotating-compensator ellipsometer | Physics | 95 | Expired |
| US4667305A | Circuits for accessing a variable width data bus with a variable width data field | Physics | 91 | Expired |
| US4541075A | Random access memory having a second input/output port | Physics | 59 | Expired |
| US4171871A | Achromatic unit magnification optical system | Physics | 55 | Expired |
| US6226149A | Planar stitched write head having write coil insulated with inorganic insulation | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4616310A | Communicating random access memory | Physics | 34 | Expired |
| US4587629A | Random address memory with fast clear | Physics | 33 | Expired |
| US3989385A | Part locating, mask alignment and mask alignment verification system | Physics | 21 | Expired |
| US4663729A | Display architecture having variable data width | Physics | 17 | Expired |
| US6377423B2 | Planar stitched write head having write coil insulated with inorganic insulation | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5552591A | Presence/absence bar code | Physics | 16 | Expired |
| US7094130B2 | Method for fabricating a magnetic transducer using a slurry with spherical particles for CMP-assisted photoresist lift-off | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6324036A | Combination inductive write head and magnetoresistive (MR) read head with improved topography | Physics | 14 | Expired |
| US6554878B1 | Slurry for multi-material chemical mechanical polishing | Electricity | 11 | Expired |
| US6858909B2 | CMP assisted liftoff micropatterning | Physics | 10 | Expired |
| US6819527B1 | Magnetic head with lower coil traces connected to integrally formed vertical interconnects and upper coil traces through plural insulating layer arrangement | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7116516B2 | Magnetic head having write head with helical coil and method for fabrication thereof | Emerging Cross-Sectional Technologies | 8 | Expired |
| US3992712A | Method and apparatus for recording information on a recording surface | Performing Operations; Transporting | 7 | Expired |
| US7248434B2 | Planarized perpendicular pole tip system and method for manufacturing the same | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6969625B2 | CMP assisted liftoff micropatterning | Physics | 5 | Expired |
| US7237321B2 | Method for fabricating a CPP magnetic transducer using CMP-assisted lift-off and a CMP-resistant metal layer | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7291279B2 | Method of making a read sensor while protecting it from electrostatic discharge (ESD) damage | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.