Inventor · disambiguated record
Adrianus Korpel
Also filed as: KORPEL ADRIANUS
5 granted patents·74 citations·filing 1974–1977
81Inventor score
Technology areasG11B
Files withZENITH RADIO CORP5
Top patents by PatentIndex Score
5 records- 0187US3931459AVideo discZENITH RADIO CORP·Filed 1974·Granted Jan 6, 1976·30 cites·9 claims
- 0271US4097730AFocus correction system for video disc playerZENITH RADIO CORP·Filed 1975·Granted Jun 27, 1978·17 cites·4 claims
- 0361US4142098AOptical readout for reflective video discsZENITH RADIO CORP·Filed 1977·Granted Feb 27, 1979·11 cites·1 claims
- 0460US3988532AArrangement for compensating duty factor variations in an optical video discZENITH RADIO CORP·Filed 1975·Granted Oct 26, 1976·11 cites·2 claims
- 0542US4193090AOptical detection system for simultaneously interrogating a plurality of tracksZENITH RADIO CORP·Filed 1977·Granted Mar 11, 1980·5 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →