Inventor
WALSH JAMES L
CA17 patents
⚠️ This page may combine multiple inventors who share the name “WALSH JAMES L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
16 patentsUS4252582AFeb 24, 1981
Self aligned method for making bipolar transistor having minimum base to emitter contact spacing
IBM58 citations96
US4427989AJan 24, 1984
High density memory cell
IBM29 citations92
US4389281AJun 21, 1983
Method of planarizing silicon dioxide in semiconductor devices
IBM32 citations92
US4236294ADec 2, 1980
High performance bipolar device and method for making same
IBM31 citations92
US4160991AJul 10, 1979
High performance bipolar device and method for making same
IBM45 citations92
US4228369AOct 14, 1980
Integrated circuit interconnection structure having precision terminating resistors
IBM32 citations91
US4214315AJul 22, 1980
Method for fabricating vertical NPN and PNP structures and the resulting product
IBM25 citations82
US4159915AJul 3, 1979
Method for fabrication vertical NPN and PNP structures utilizing ion-implantation
IBM28 citations82
US4289978ASep 15, 1981
Complementary transistor inverting emitter follower circuit
IBM14 citations73
US4286179AAug 25, 1981
Push pull switch utilizing two current switch circuits
IBM10 citations73
US4252581AFeb 24, 1981
Selective epitaxy method for making filamentary pedestal transistor
IBM19 citations73
US4287435ASep 1, 1981
Complementary transistor inverting emitter follower circuit
IBM12 citations72
US4806785AFeb 21, 1989
Half current switch with feedback
IBM4 citations62
US4283640AAug 11, 1981
All-NPN transistor driver and logic circuit
IBM4 citations62
US4308469ADec 29, 1981
Unity gain emitter follower bridge circuit
IBM4 citations61
US5300827AApr 5, 1994
Noise immune NTL logic network
IBM0 citations41