Inventor · disambiguated record
Frank C. Liu
Also filed as: LIU FRANK C
7 granted patents·472 citations·filing 1978–1989
89Inventor score
Top patents by PatentIndex Score
7 records- 0194US4769833AWideband switching systemAMERICAN TELEPHONE & TELEGRAPH·Filed 1986·Granted Sep 6, 1988·161 cites·4 claims
- 0293US4368483AVideo signal defect replacement circuitryRCA CORP·Filed 1981·Granted Jan 11, 1983·118 cites·3 claims
- 0391US4321624AAFT CircuitRCA CORP·Filed 1978·Granted Mar 23, 1982·53 cites·10 claims
- 0487US5029200AVoice message system using synthetic speechAT & T BELL LAB·Filed 1989·Granted Jul 2, 1991·98 cites·22 claims
- 0563US4398210AImpulse noise detection circuit for TV signalsRCA CORP·Filed 1981·Granted Aug 9, 1983·17 cites·10 claims
- 0660US4263611ATelevision signal processing systemRCA CORP·Filed 1979·Granted Apr 21, 1981·12 cites·7 claims
- 0759US4384306AVariable peaking control circuitRCA CORP·Filed 1981·Granted May 17, 1983·13 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →