David Heim
28Patents
14h-index
39Co-inventors
81Inventor score
Filing activity: Jan 28, 1985 → Nov 16, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5465185A | Magnetoresistive spin valve sensor with improved pinned ferromagnetic layer and magnetic recording system using the sensor | Physics | 253 | Expired |
| US5583725A | Spin valve magnetoresistive sensor with self-pinned laminated layer and magnetic recording system using the sensor | Physics | 214 | Expired |
| US5422571A | Magnetoresistive spin valve sensor having a nonmagnetic back layer | Electricity | 116 | Expired |
| US5793578A | Thin film induction recording head having an inset first insulation layer that defines zero throat height and pole tip apex angle | Physics | 78 | Expired |
| US5508867A | Magnetoresistive sensor with flux keepered spin valve configuration | Physics | 62 | Expired |
| US5600519A | Controlled saturation thin film magnetic write head | Physics | 59 | Expired |
| US5557492A | Thin film magnetoresistive head with reduced lead-shield shorting | Physics | 46 | Expired |
| US5901432A | Method for making a thin film inductive write head having a pedestal pole tip and an electroplated gap | Emerging Cross-Sectional Technologies | 41 | Expired |
| US6122144A | Contoured pole tip structures for minimizing side track erasure | Physics | 38 | Expired |
| US5375022A | Magnetic disk drive with electrical shorting protection | Physics | 31 | Expired |
| US5935644A | Method of making thin film induction recording head having an inset first insulation layer that defines zero throat height and pole tip apex angle | Physics | 28 | Expired |
| US5420736A | MR read transducer with thermal noise cancellation | Physics | 28 | Expired |
| US4644432A | Three pole single element magnetic read/write head | Physics | 21 | Expired |
| US5666246A | Magnetic storage system with canted hardbias magnetoresistive head | Physics | 17 | Expired |
| US5638235A | Magnetic storage system with canted hardbias magnetoresistive head | Physics | 14 | Expired |
| US8169816B2 | Fabrication methods of partial cladded write line to enhance write margin for magnetic random access memory | Electricity | 13 | Active |
| US7630177B2 | Tunnel MR head with closed-edge laminated free layer | Physics | 9 | Active |
| US7652855B2 | Magnetic sensor with extended free layer and overlaid leads | Physics | 4 | Active |
| US7472469B2 | Method for fabricating a magnetic head having a sensor stack and two lateral stack | Emerging Cross-Sectional Technologies | 4 | Active |
| US7885094B2 | MRAM with cross-tie magnetization configuration | Emerging Cross-Sectional Technologies | 3 | Active |
| US8213132B2 | Magnetic sensor having a physically hard insulation layer over a magnetic bias structure | Emerging Cross-Sectional Technologies | 2 | Active |
| US7344330B2 | Topographically defined thin film CPP read head fabrication | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7019950B2 | Magnetoresistive sensor having bias magnets with steep endwalls | Physics | 1 | Expired |
| US10842656B2 | Stent device having reduced foreshortening and recoil and method of making same | Emerging Cross-Sectional Technologies | 0 | Active |
| US11865018B2 | Stent device having reduced foreshortening and recoil and method of making same | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.