Inventor · disambiguated record
Ying K. Shum
Also filed as: SHUM YING · SHUM YING K
5 granted patents·112 citations·filing 1979–1992
83Inventor score
Top patents by PatentIndex Score
5 records- 0182US4477825AElectrically programmable and erasable memory cellNAT SEMICONDUCTOR CORP·Filed 1981·Granted Oct 16, 1984·37 cites·10 claims
- 0280US4257056AElectrically erasable read only memoryNAT SEMICONDUCTOR CORP·Filed 1979·Granted Mar 17, 1981·26 cites·13 claims
- 0371US4538246ANonvolatile memory cellNAT SEMICONDUCTOR CORP·Filed 1982·Granted Aug 27, 1985·22 cites·9 claims
- 0459US4780750AElectrically alterable non-volatile memory deviceSIERRA SEMICONDUCTOR CORP·Filed 1986·Granted Oct 25, 1988·18 cites·6 claims
- 0543US5188972AMethod for making bipolar transistor by self-aligning the emitter to the base contact diffusionSIERRA SEMICONDUCTOR CORP·Filed 1992·Granted Feb 23, 1993·9 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →