Hartmut Willmann
9Patents
4h-index
13Co-inventors
50Inventor score
Filing activity: Jul 1, 1987 → Dec 18, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5075809A | Rotary magnetic head tape-scanning device with heads protected from cross-talk by mounting on a head carrier and by annular shielding of a portion of the head projecting from the head carrier | Physics | 10 | Expired |
| US4816950A | Magnetic structure for suppressing magnetic cross talk among rotary transducers on a common rotary disc | Physics | 9 | Expired |
| US6118625A | Magnetic head with lateral shielding limbs and a common contact face | Physics | 8 | Expired |
| US5036418A | Magnetic tape recorder with shielding device for contact-free signal transfer between components moved relative to one another | Physics | 4 | Expired |
| US5422771A | Rotary scanning device | Physics | 4 | Expired |
| US5278715A | Scanning device for magnetic tape with special disposition of rotary transformers for recording and playback magnetic heads | Physics | 2 | Expired |
| US5623385A | Rotary scanning device | Physics | 2 | Expired |
| US5299084A | Rotary head disc for a magnetic-tape apparatus having reproducing heads shielded from recording heads | Physics | 1 | Expired |
| US5212610A | Scanning device for magnetic tape with special bearing arrangement for scanner shaft | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.