Inventor · disambiguated record
Joseph M. Blum
Also filed as: BLUM JOSEPH M · BLUM JOSEPH MARTIN
5 granted patents·188 citations·filing 1974–1990
84Inventor score
Files withIBM5
Top patents by PatentIndex Score
5 records- 0189US3936322AMethod of making a double heterojunction diode laserIBM·Filed 1974·Granted Feb 3, 1976·43 cites·7 claims
- 0285US5133986APlasma enhanced chemical vapor processing system using hollow cathode effectIBM·Filed 1990·Granted Jul 28, 1992·62 cites·25 claims
- 0384US4978421AMonolithic silicon membrane device fabrication processIBM·Filed 1989·Granted Dec 18, 1990·45 cites·7 claims
- 0476US3996528AFolded cavity injection laserIBM·Filed 1975·Granted Dec 7, 1976·20 cites·7 claims
- 0558US5190792AHigh-throughput, low-temperature process for depositing oxidesIBM·Filed 1989·Granted Mar 2, 1993·18 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →