Karl A. Flechsig
32Patents
11h-index
38Co-inventors
75Inventor score
Filing activity: Dec 27, 1993 → Jun 2, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6265846A | Active bypass circuit for extending energy capacity and operational life of a multi-cell battery | Emerging Cross-Sectional Technologies | 65 | Expired |
| US7126777B2 | Disk drive with selectable power source for heater in a slider | Physics | 62 | Expired |
| US5423207A | Advanced PZT glide head design and implementation for a small slider | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5528922A | Method of making disk bumps with laser pulses for calibrating PZT sliders | Emerging Cross-Sectional Technologies | 37 | Expired |
| US6092412A | Glide height test signal processor and method using increased high frequency components | Physics | 23 | Expired |
| US5581021A | Method and apparatus for optimizing piezoelectric surface asperity detection sensor | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5450747A | Method for optimizing piezoelectric surface asperity detection sensor | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5689057A | Calibration disk with disk bumps for calibrating PZT sliders | Emerging Cross-Sectional Technologies | 20 | Expired |
| US8094409B2 | Method and system for monitoring gas in sealed hard disk drives with feedback | Physics | 14 | Active |
| US5631408A | Method of making disk bumps with laser pulses | Emerging Cross-Sectional Technologies | 12 | Expired |
| US8493688B2 | Head slider and hard disk drive | Physics | 11 | Active |
| US8630057B2 | In-situ contact potential measurement in hard-disk drives | Physics | 10 | Active |
| US7907062B2 | Dual direction power and data transfer protocol and safety detection | Emerging Cross-Sectional Technologies | 8 | Active |
| US7192398B2 | Hard disk drive medical monitor with GPS | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6678113B2 | Device and method for monitoring lubricant within a disk drive | Physics | 5 | Expired |
| US7164549B2 | Load/unload system and method for maximizing disk writeable area | Physics | 5 | Expired |
| US8576407B2 | Contactless optical glide head using at least two concurrent interference signals and a multi-channel light detector for detecting disk asperities | Physics | 4 | Active |
| US7176703B2 | Test probe with thermally activated grip and release | Physics | 3 | Expired |
| US7874389B2 | Flexible hybrid drive system for vehicle stability control | Emerging Cross-Sectional Technologies | 3 | Active |
| US7345845B2 | Fluid damping structure for hard disk drives and vibration sensitive electronic devices | Physics | 3 | Expired |
| US7298575B2 | Load/unload systems and methods for maximizing disk writeable area | Physics | 3 | Active |
| US7247136B2 | Hard disk drive medical monitor with alert signaling system | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8338742B2 | Dynamic test glide head calibration using laser adjustment | Physics | 2 | Active |
| US7817371B2 | Active compensation of flying height in magnetic disk drives | Physics | 2 | Active |
| US7154698B2 | Load/unload system and method for maximizing disk writeable area | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.