David Margulies
34Patents
12h-index
35Co-inventors
77Inventor score
Filing activity: Oct 14, 1998 → Jun 30, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6383668B1 | Magnetic recording media with antiferromagnetically coupled host layer for the magnetic recording layer | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6372330B1 | Laminated magnetic recording media with antiferromagnetically coupled layers as the individual magnetic layers in the laminate | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6537684B1 | Antiferromagnetically coupled magnetic recording media with boron-free first ferromagnetic film as nucleation layer | Emerging Cross-Sectional Technologies | 24 | Expired |
| US7425377B2 | Incoherently-reversing magnetic laminate with exchange coupled ferromagnetic layers | Emerging Cross-Sectional Technologies | 18 | Active |
| US6723450B2 | Magnetic recording medium with antiparallel coupled ferromagnetic films as the recording layer | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6440589B1 | Magnetic media with ferromagnetic overlay materials for improved thermal stability | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6567236B1 | Antiferromagnetically coupled thin films for magnetic recording | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6773834B2 | Laminated magnetic recording media with antiferromagnetically coupled layer as one of the individual magnetic layers in the laminate | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7488545B2 | Perpendicular magnetic recording medium with laminated recording layers formed of exchange-coupled ferromagnetic layers | Physics | 13 | Expired |
| US6183832A | CoCrPtB alloys with increased boron content and method of producing same | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7588841B2 | Perpendicular magnetic recording exchange-spring type medium with a lateral coupling layer for increasing intergranular exchange coupling in the lower magnetic layer | Physics | 12 | Active |
| US7081309B2 | Magnetic recording disk with antiferromagnetically-coupled magnetic layer having multiple ferromagnetically-coupled lower layers | Physics | 12 | Expired |
| US7776388B2 | Fabricating magnetic recording media on patterned seed layers | Physics | 8 | Active |
| US8263239B2 | Laminated magnetic thin films for magnetic recording with weak ferromagnetic coupling | Physics | 7 | Active |
| US7572527B2 | Perpendicular magnetic recording medium with improved antiferromagnetically-coupled recording layer | Physics | 6 | Active |
| US6721144B2 | Spin valves with co-ferrite pinning layer | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7556870B2 | Antiferromagnetically coupled media for magnetic recording with weak coupling layer | Physics | 6 | Active |
| US7846563B2 | Perpendicular magnetic recording exchange-spring type medium with a lateral coupling layer for increasing intergranular exchange coupling in the lower magnetic layer | Physics | 6 | Active |
| US7479332B2 | Method and apparatus for improving signal-to-noise ratio in longitudinal recording media | Physics | 3 | Active |
| US6670032B2 | Oriented magnetic medium on a nonmetallic substrate | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6989952B2 | Magnetic recording disk drive with laminated media and improved media signal-to-noise ratio | Physics | 2 | Expired |
| US7862913B2 | Oxide magnetic recording layers for perpendicular recording media | Physics | 1 | Active |
| US7125616B2 | Magnetic recording disk with antiferromagnetically-coupled magnetic layer having multiple lower layers | Physics | 1 | Expired |
| US6928723B2 | Method for making a magnetoresistive sensor having a cobalt-ferrite pinning layer | Emerging Cross-Sectional Technologies | 1 | Expired |
| USRE38474E1 | CoCrPtB alloys with increased boron content and method of producing same | General | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.