Inventor · disambiguated record
Hartmut Willmann
Also filed as: WILLMANN HARTMUT
9 granted patents·58 citations·filing 1987–1996
86Inventor score
Technology areasG11B
Top patents by PatentIndex Score
9 records- 0170US5075809ARotary 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 carrierBROADCAST TELEVISION SYST·Filed 1989·Granted Dec 24, 1991·18 cites·15 claims
- 0255US6118625AMagnetic head with lateral shielding limbs and a common contact facePHILIPS CORP·Filed 1996·Granted Sep 12, 2000·12 cites·15 claims
- 0354US4816950AMagnetic structure for suppressing magnetic cross talk among rotary transducers on a common rotary discBOSCH GMBH ROBERT·Filed 1987·Granted Mar 28, 1989·10 cites·13 claims
- 0436US5623385ARotary scanning devicePHILIPS CORP·Filed 1996·Granted Apr 22, 1997·5 cites·7 claims
- 0536US5036418AMagnetic tape recorder with shielding device for contact-free signal transfer between components moved relative to one anotherBROADCAST TELEVISION SYST·Filed 1988·Granted Jul 30, 1991·4 cites·1 claims
- 0633US5299084ARotary head disc for a magnetic-tape apparatus having reproducing heads shielded from recording headsPHILIPS CORP·Filed 1992·Granted Mar 29, 1994·2 cites·16 claims
- 0732US5422771ARotary scanning devicePHILIPS CORP·Filed 1993·Granted Jun 6, 1995·4 cites·18 claims
- 0831US5278715AScanning device for magnetic tape with special disposition of rotary transformers for recording and playback magnetic headsBROADCAST TELEVISION SYST·Filed 1992·Granted Jan 11, 1994·2 cites·7 claims
- 0930US5212610AScanning device for magnetic tape with special bearing arrangement for scanner shaftBROADCAST TELEVISION SYST·Filed 1992·Granted May 18, 1993·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →