Inventor · disambiguated record
Frederik L. J. Sangster
Also filed as: SANGSTER FREDERIK L J · SANGSTER FREDERIK LEONARD JOHA
4 granted patents·51 citations·filing 1974–1984
70Inventor score
Files withPHILIPS CORP4
Top patents by PatentIndex Score
4 records- 0187US4649565AElectro-acoustic converter with compensated frequency response characteristicPHILIPS CORP·Filed 1984·Granted Mar 10, 1987·42 cites·17 claims
- 0250US3967055ACharge transfer imaging devicePHILIPS CORP·Filed 1974·Granted Jun 29, 1976·9 cites·10 claims
- 0324US4411010ADivide-by-two charge dividerPHILIPS CORP·Filed 1981·Granted Oct 18, 1983·0 cites·1 claims
- 0424US4001862ACharge transfer devicePHILIPS CORP·Filed 1975·Granted Jan 4, 1977·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →