Inventor · disambiguated record
Charles R. Hoffman
Also filed as: HOFFMAN CHARLES R · HOFFMAN CHARLES REEVES · HOFFMAN JR CHARLES R
19 granted patents·2 pending applications·419 citations·filing 1975–2005
96Inventor score
Top patents by PatentIndex Score
21 records- 0192US4004164ACompensating current sourceIBM·Filed 1975·Granted Jan 18, 1977·31 cites·3 claims
- 0282US4120232ASocket lug assembly for aircraft storesUS AIR FORCE·Filed 1977·Granted Oct 17, 1978·44 cites·3 claims
- 0379US4460985ASense amplifier for MOS static memory arrayIBM·Filed 1982·Granted Jul 17, 1984·26 cites·13 claims
- 0476US4420821AStatic RAM with non-volatile back-up storage and method of operation thereofIBM·Filed 1982·Granted Dec 13, 1983·32 cites·12 claims
- 0572US5317183ASubstrate noise coupling reduction for VLSI applications with mixed analog and digital circuitryIBM·Filed 1991·Granted May 31, 1994·35 cites·9 claims
- 0672US4481566AOn chip charge trap compensated high voltage converterIBM·Filed 1983·Granted Nov 6, 1984·20 cites·3 claims
- 0770US5416443AReliable clock source having a plurality of redundant oscillatorsIBM·Filed 1993·Granted May 16, 1995·65 cites·11 claims
- 0870US5073730ACurrent transient reduction for vlsi chipsIBM·Filed 1990·Granted Dec 17, 1991·23 cites·9 claims
- 0967US4926442ACMOS signal threshold detectorIBM·Filed 1988·Granted May 15, 1990·34 cites·13 claims
- 1066US4486859AElectrically alterable read-only storage cell and method of operating sameIBM·Filed 1982·Granted Dec 4, 1984·16 cites·9 claims
- 1166US4095126ABi-polar amplifier with sharply defined amplitude limitsIBM·Filed 1977·Granted Jun 13, 1978·12 cites·3 claims
- 1266US3970951ADifferential amplifier with constant gainIBM·Filed 1975·Granted Jul 20, 1976·11 cites·4 claims
- 1362US6980563B2Method and system for fast ethernet serial port multiplexing to reduce I/O pin countIBM·Filed 2001·Granted Dec 27, 2005·6 cites·2 claims
- 1455US5109166ASinusoidal signal generatorIBM·Filed 1990·Granted Apr 28, 1992·12 cites·18 claims
- 1555US4245165AReversible electrically variable active parameter trimming apparatus utilizing floating gate as controlIBM·Filed 1978·Granted Jan 13, 1981·15 cites·3 claims
- 1654US5490171ASingle-port network node transceiver with powered-down protectionIBM·Filed 1994·Granted Feb 6, 1996·17 cites·11 claims
- 1751US4059811AIntegrated circuit amplifierIBM·Filed 1976·Granted Nov 22, 1977·7 cites·1 claims
- 1847US4224684AReceive/bypass circuit for subsystems in polling systemIBM·Filed 1978·Granted Sep 23, 1980·10 cites·7 claims
- 1947US2006029095A1Method and system for fast Ethernet serial port multiplexing to reduce I/O pin countIBM·Filed 2005·Application pending·0 cites
- 2035US2002157030A1Power conservation in communication systemsIBM·Filed 2001·Application pending·0 cites
- 2131US6288602B1CMOS on-chip precision voltage reference schemeIBM·Filed 1995·Granted Sep 11, 2001·3 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →