Inventor · disambiguated record
Walter Zimmermann
Also filed as: ZIMMERMANN WALTER · ZIMMERMANN WALTER ALBERT
15 granted patents·281 citations·filing 1980–2005
94Inventor score
Top patents by PatentIndex Score
15 records- 0188US4355705AGroup control for elevatorsINVENTIO AG·Filed 1980·Granted Oct 26, 1982·36 cites·16 claims
- 0286US4411337AGroup control for elevatorsINVENTIO AG·Filed 1981·Granted Oct 25, 1983·33 cites·9 claims
- 0385US7242236B2Mixer circuit with phase-shifted radio frequency signalINFINEON TECHNOLOGIES AG·Filed 2005·Granted Jul 10, 2007·13 cites·20 claims
- 0480US5680046ADouble-sided RF shield for RF coil contained within gradient coils used in high speed NMR imagingGEN ELECTRIC·Filed 1994·Granted Oct 21, 1997·45 cites·6 claims
- 0579US7417506B2Amplifier having switchable negative feedbackINFINEON TECHNOLOGIES AG·Filed 2005·Granted Aug 26, 2008·12 cites·13 claims
- 0677US4784616APower supply device for an electrical appliance intended for personal useBRAUN AG·Filed 1986·Granted Nov 15, 1988·36 cites·13 claims
- 0766US6156148AProcess for producing a protective cap for an infrared radiation thermometer that can be introduced into a body cavityBRAUN GMBH·Filed 1997·Granted Dec 5, 2000·34 cites·27 claims
- 0852US5497163ADoppler radar module using micro-stripline technologySIEMENS AG·Filed 1994·Granted Mar 5, 1996·23 cites·12 claims
- 0947US4992851ACharacteristic impedance-correct chip carrier for microwave semiconductor componentsSIEMENS AG·Filed 1988·Granted Feb 12, 1991·17 cites·11 claims
- 1047US4789800AFuse, in particular for electric motorsBRAUN AG·Filed 1987·Granted Dec 6, 1988·14 cites·7 claims
- 1142US4629880AGate bias generating circuit for field effect transistorsSIEMENS AG·Filed 1984·Granted Dec 16, 1986·5 cites·20 claims
- 1233US5465419AArrangement for frequency conversion of an input signal with an oscillator signal to form an intermediate frequency signalSIEMENS AG·Filed 1993·Granted Nov 7, 1995·5 cites·4 claims
- 1331US6888430B2Integrated radiofrequency circuit component having a trimming diode controlled by a trimming voltage provided by a D/A converterINFINEON TECHNOLOGIES AG·Filed 2002·Granted May 3, 2005·0 cites·7 claims
- 1430US5155575AChip carrier for a microwave semiconductor componentSIEMENS AG·Filed 1991·Granted Oct 13, 1992·5 cites·21 claims
- 1529US5086268AMeasuring mount for microwave componentsSIEMENS AG·Filed 1990·Granted Feb 4, 1992·3 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →