Inventor · disambiguated record
Wilhelmus J. Christis
Also filed as: CHRISTIS WILHELMUS J · KOLK HENDRIK
4 granted patents·76 citations·filing 1978–1987
76Inventor score
Technology areasH04N
Files withPHILIPS CORP4
Top patents by PatentIndex Score
4 records- 0183US4894714AApparatus using teletext to provide channel identification information in a television transmission systemPHILIPS CORP·Filed 1987·Granted Jan 16, 1990·53 cites·17 claims
- 0263US4349904AError correction circuit using character probabilityPHILIPS CORP·Filed 1980·Granted Sep 14, 1982·17 cites·7 claims
- 0333US4219849ATelevision receiver having a controllable sound suppression filterPHILIPS CORP·Filed 1978·Granted Aug 26, 1980·3 cites·2 claims
- 0427US4697046ATeletext signal processing circuit for a teletext receiverPHILIPS CORP·Filed 1986·Granted Sep 29, 1987·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →