Inventor · disambiguated record
Charles Lien
Also filed as: LIEN CHARLES
6 granted patents·423 citations·filing 1976–1988
86Inventor score
Files withVENUS SCIENT INC6
Top patents by PatentIndex Score
6 records- 0197US4639844AResonant current driven power source for low input voltagesVENUS SCIENT INC·Filed 1984·Granted Jan 27, 1987·196 cites·21 claims
- 0291US4893227APush pull resonant flyback switchmode power supply converterVENUS SCIENT INC·Filed 1988·Granted Jan 9, 1990·149 cites·22 claims
- 0381US4709323ABuck-boost parallel resonant converter with inductive energy recovery circuitVENUS SCIENT INC·Filed 1986·Granted Nov 24, 1987·48 cites·10 claims
- 0472US4104564AHigh switching speed high voltage power supplyVENUS SCIENT INC·Filed 1976·Granted Aug 1, 1978·14 cites·16 claims
- 0553US4067045ALow light level camera with parallel-connected slidably mounted intensifier assembliesVENUS SCIENT INC·Filed 1976·Granted Jan 3, 1978·12 cites·7 claims
- 0631US4670817AHeat sink and interconnection arrangement for series connected power diodesVENUS SCIENT INC·Filed 1984·Granted Jun 2, 1987·4 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →