Inventor
HOFFMAN CHARLES R
US22 patents
⚠️ This page may combine multiple inventors who share the name “HOFFMAN CHARLES R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
20 patentsUS5293405AMar 8, 1994
Adaptive equalization and regeneration system
IBM100 citations96
US4449205AMay 15, 1984
Dynamic RAM with non-volatile back-up storage and method of operation thereof
IBM107 citations96
US5073730ADec 17, 1991
Current transient reduction for vlsi chips
IBM23 citations92
US4742292AMay 3, 1988
CMOS Precision voltage reference generator
IBM44 citations92
US4420821ADec 13, 1983
Static RAM with non-volatile back-up storage and method of operation thereof
IBM32 citations92
US4404577ASep 13, 1983
Electrically alterable read only memory cell
IBM29 citations92
US5317183AMay 31, 1994
Substrate noise coupling reduction for VLSI applications with mixed analog and digital circuitry
IBM35 citations91
US5416443AMay 16, 1995
Reliable clock source having a plurality of redundant oscillators
IBM65 citations90
US4926442AMay 15, 1990
CMOS signal threshold detector
IBM34 citations89
US4481566ANov 6, 1984
On chip charge trap compensated high voltage converter
IBM20 citations82
US4460985AJul 17, 1984
Sense amplifier for MOS static memory array
IBM26 citations82
US4486859ADec 4, 1984
Electrically alterable read-only storage cell and method of operating same
IBM16 citations74
US4429237AJan 31, 1984
High voltage on chip FET driver
IBM9 citations74
US4245165AJan 13, 1981
Reversible electrically variable active parameter trimming apparatus utilizing floating gate as control
IBM15 citations74
US5490171AFeb 6, 1996
Single-port network node transceiver with powered-down protection
IBM17 citations72
US5109166AApr 28, 1992
Sinusoidal signal generator
IBM12 citations72
US4837459AJun 6, 1989
CMOS reference voltage generation
IBM8 citations71
US4224684ASep 23, 1980
Receive/bypass circuit for subsystems in polling system
IBM10 citations71
US6288602B1Sep 11, 2001
CMOS on-chip precision voltage reference scheme
IBM3 citations63
US4841254AJun 20, 1989
CMOS precision gain amplifier
IBM5 citations60