Robert A. Alt
30Patents
16h-index
27Co-inventors
81Inventor score
Filing activity: Sep 25, 1991 → Oct 13, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5243481A | Clamp for information storage disk | Physics | 56 | Expired |
| US5379171A | Microminiature hard disk drive | Emerging Cross-Sectional Technologies | 48 | Expired |
| US5422770A | Shock bumper for a head/disk suspension | Physics | 44 | Expired |
| US5404257A | Rotary inertial latch for disk drive actuator | Emerging Cross-Sectional Technologies | 44 | Expired |
| US5995330A | Rigid disk drive with dynamic head loading apparatus | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5296986A | Rotary intertial latch for disk drive actuator to protect against rotational shock force | Physics | 25 | Expired |
| US5790345A | Disk clamp with tabs shaped to apply equal forces at equally spaced locations around an axis of rotation of a disk drive | Physics | 25 | Expired |
| US6606224B2 | Cartridge bearing with frictional sleeve | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US6487052B1 | Non-contact magnetic latch for disc drive actuator | Physics | 23 | Expired |
| US6057987A | Rigid disk drive with dynamic head loading apparatus and method of manufacturing a rigid disk drive with dynamic head loading apparatus | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5592349A | Microminiature disk drive with clamp having fingers for radially positioning a pair of disks and a spindle motor providing a reduced disk drive height | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5943184A | Disk drive with a flat annular spring clamp and components dimensioned to maintain disk flatness | Physics | 20 | Expired |
| US6577473B1 | Disc drive ramp that accomodates shipping comb | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5579189A | Microminiature hard disk drive | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6032352A | Method of manufacturing rigid disk drive with dynamic head loading apparatus | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5930067A | Multi-harmonic compensator for track following in disk drives | Physics | 16 | Expired |
| US5453889A | Disk drive with disk restraint for protection against non-operational shocks | Physics | 14 | Expired |
| US6714379B1 | Top cover shroud for a disc drive | Physics | 11 | Expired |
| US5384677A | Architecture for low-profile disk drive device | Physics | 9 | Expired |
| US7310199B2 | Windage plate with snubber member to limit mechanical deflection | Physics | 9 | Expired |
| US5969904A | Air bearing slider and head Gimbal assembly | Physics | 8 | Expired |
| US6855282B2 | Method of fabricating a lubricant-integrated load/unload ramp for a disc drive | Physics | 8 | Expired |
| US5835303A | Microminiature hard disk drive | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7545600B2 | Single piece air diverter for a data storage device | Physics | 6 | Active |
| US5870259A | Disk drive load beam structure having lift rod and head mounted on same side thereof | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.