Nahum Guzik
47Patents
15h-index
28Co-inventors
81Inventor score
Filing activity: Nov 19, 1982 → Nov 28, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4710686A | Method and apparatus for control of current in a motor winding | Electricity | 92 | Expired |
| US4958839A | Disc clamp employing resilient cone for spreading balls | Emerging Cross-Sectional Technologies | 51 | Expired |
| US4902971A | Magnetic head and disc tester employing pivot arm on linearly movable slide | Physics | 41 | Expired |
| US4627288A | Bearing unloading mechanism for disc clamping unit | Physics | 25 | Expired |
| US6229303A | Spinstand for testing magnetic heads and disks | Physics | 22 | Expired |
| US6229304A | Apparatus for air flow stabilization in spinstands with a shroud assembly and a shell assembly | Physics | 21 | Expired |
| US6242910A | Magnetic head and disk tester with yaw correction | Physics | 20 | Expired |
| US6023145A | Head and disk tester with a thermal drift-compensated closed-loop positioning system | Physics | 20 | Expired |
| US4829545A | Method and apparatus for data window centering ina multifrequency data separator | Electricity | 19 | Expired |
| US5825180A | Magnetic disk test apparatus having heads moveable along substantially parallel axes | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5254946A | Magnetic head and disk tester with head centrally mounted on radially-moving, rotatable platform that surrounds disk | Physics | 17 | Expired |
| US6212045A | Method and apparatus for loading a magnetic head onto a magnetic disk | Physics | 16 | Expired |
| US7141969B2 | X-Y spinstand platform with flexure-coupled platen | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5491413A | Positioning device for magnetic head and disk tester with rotating tool support | Physics | 16 | Expired |
| US6006614A | Apparatus and method for improving dynamic characteristics of a fine-positioning mechanism in a magnetic head/disk tester | Physics | 15 | Expired |
| US4680516A | Motor speed control system | Emerging Cross-Sectional Technologies | 15 | Expired |
| US7295002B2 | Vacuum chuck spinstand for testing magnetic heads and disks | Physics | 15 | Expired |
| US6236201A | Magnetic head and disk tester with pitch correction | Physics | 13 | Expired |
| US5382887A | Method and apparatus for compensating positioning error in magnetic-head and magnetic-disk tester | Physics | 12 | Expired |
| US4516060A | Digital motor speed control | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7836603B2 | Headstack locator assembly for testing magnetic heads | Physics | 10 | Active |
| US6064261A | Write amplifier with improved switching performance, output common-mode voltage, and head current control | Electricity | 10 | Expired |
| US7061235B2 | Magnetic head and disk X-Y test assembly with optimized arrangement for skew angle | Physics | 10 | Expired |
| US7429857B2 | Magnetic head and disk X-Y test assembly with optimized arrangement for skew angle | Physics | 10 | Active |
| US7532006B2 | Stand-alone quasi-static tester | Physics | 9 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.