Inventor · disambiguated record
John E. Hanna
Also filed as: HANNA JOHN · HANNA JOHN E · HANNA JOHN EDWARD
24 granted patents·2 pending applications·310 citations·filing 1975–2023
96Inventor score
Top patents by PatentIndex Score
26 records- 0195US7893676B2Driver for switch and a method of driving the sameENPIRION INC·Filed 2006·Granted Feb 22, 2011·33 cites·20 claims
- 0293US4042886AHigh input impedance amplifier circuit having temperature stable quiescent operating levelsMOTOROLA INC·Filed 1975·Granted Aug 16, 1977·34 cites·16 claims
- 0389US5955980ACircuit and method for calibrating a digital-to-analog converterMOTOROLA INC·Filed 1997·Granted Sep 21, 1999·74 cites·17 claims
- 0483US5182476AOffset cancellation circuit and method of reducing pulse pairingMOTOROLA INC·Filed 1991·Granted Jan 26, 1993·38 cites·15 claims
- 0572US4996498ACommon mode compensation for differential integrating filterMOTOROLA INC·Filed 1990·Granted Feb 26, 1991·25 cites·7 claims
- 0668US4091321ALow voltage referenceMOTOROLA INC·Filed 1976·Granted May 23, 1978·16 cites·9 claims
- 0767US2024110171A1Method of producing collagenaseENDO VENTURES LTD·Filed 2023·Application pending·0 cites
- 0865US12448615B2Method of purifying and isolating collagenaseENDO OPERATIONS LTD·Filed 2021·Granted Oct 21, 2025·0 cites·12 claims
- 0960US5051628AIntegrated filter circuitMOTOROLA INC·Filed 1990·Granted Sep 24, 1991·16 cites·9 claims
- 1058US11473074B2Method of producing collagenaseENDO VENTURES LTD·Filed 2018·Granted Oct 18, 2022·0 cites·6 claims
- 1158US6622742B1Awning cable manufacture in assembly and combination with an awning's roller tubeFiled 2001·Granted Sep 23, 2003·6 cites·4 claims
- 1254US4689651ALow voltage clampMOTOROLA INC·Filed 1985·Granted Aug 25, 1987·15 cites·2 claims
- 1352US7111658B1Locking mechanismHANNA JOHN E·Filed 2004·Granted Sep 26, 2006·1 cites·7 claims
- 1452US7044189B1Adjustable window awning assemblageHANNA JOHN E·Filed 2003·Granted May 16, 2006·1 cites·5 claims
- 1551US4270062A"D" Flip-flopMOTOROLA INC·Filed 1979·Granted May 26, 1981·6 cites·12 claims
- 1649US4591830AComparator cell for analog-to-digital flash converterMOTOROLA INC·Filed 1984·Granted May 27, 1986·9 cites·9 claims
- 1747US4669905AMarking apparatusHANNA JOHN E·Filed 1985·Granted Jun 2, 1987·11 cites·12 claims
- 1842US5119041AHigh gain differential current amplifier having a low output voltageMOTOROLA INC·Filed 1991·Granted Jun 2, 1992·7 cites·17 claims
- 1939US5027016ALow power transient suppressor circuitMOTOROLA INC·Filed 1988·Granted Jun 25, 1991·6 cites·2 claims
- 2034US5394036ACircuit and method of zero generation in a real-time filterMOTOROLA INC·Filed 1994·Granted Feb 28, 1995·3 cites·13 claims
- 2134US2004212527A1Method and apparatus for improving accuracy of analog to digital convertersFiled 2003·Application pending·0 cites
- 2232US6169800B1Integrated circuit amplifier and method of adaptive offsetMOTOROLA INC·Filed 1997·Granted Jan 2, 2001·2 cites·9 claims
- 2331US4025870ALow distortion amplifier having high slew rate and high output impedanceMOTOROLA INC·Filed 1975·Granted May 24, 1977·1 cites·14 claims
- 2430US5151662ACircuit and method of signal differentiationMOTOROLA INC·Filed 1991·Granted Sep 29, 1992·0 cites·11 claims
- 2530US4947103ACurrent mirror have large current scaling factorMOTOROLA INC·Filed 1989·Granted Aug 7, 1990·5 cites·4 claims
- 2630US4698737ADC to DC converterMOTOROLA INC·Filed 1987·Granted Oct 6, 1987·1 cites·8 claims
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