Inventor · disambiguated record
Donald F. Calhoun
Also filed as: CALHOUN DONALD F
3 granted patents·36 citations·filing 1973–1974
70Inventor score
Files withHUGHES AIRCRAFT CO3
Top patents by PatentIndex Score
3 records- 0167US4234888AMulti-level large scale complex integrated circuit having functional interconnected circuit routed to master patternsHUGHES AIRCRAFT CO·Filed 1973·Granted Nov 18, 1980·18 cites·21 claims
- 0256US4309811AMeans and method of reducing the number of masks utilized in fabricating complex multilevel integrated circuitsHUGHES AIRCRAFT CO·Filed 1973·Granted Jan 12, 1982·12 cites·13 claims
- 0341US4631569AMeans and method of reducing the number of masks utilized in fabricating complex multi-level integrated circuitsHUGHES AIRCRAFT CO·Filed 1974·Granted Dec 23, 1986·6 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →