Inventor · disambiguated record
Ralph S. Keen
Also filed as: KEEN JR RALPH S · KEEN RALPH · KEEN RALPH S
4 granted patents·182 citations·filing 1978–1987
81Inventor score
Top patents by PatentIndex Score
4 records- 0188US4462847AFabrication of dielectrically isolated microelectronic semiconductor circuits utilizing selective growth by low pressure vapor depositionTEXAS INSTRUMENTS INC·Filed 1982·Granted Jul 31, 1984·64 cites·5 claims
- 0284US4209894AFusible-link semiconductor memoryTEXAS INSTRUMENTS INC·Filed 1978·Granted Jul 1, 1980·55 cites·5 claims
- 0367US4887144ATopside substrate contact in a trenched semiconductor structure and method of fabricationTEXAS INSTRUMENTS INC·Filed 1987·Granted Dec 12, 1989·37 cites·6 claims
- 0463US4774396AInfrared generatorFABAID INC·Filed 1987·Granted Sep 27, 1988·26 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →