Inventor · disambiguated record
Cornelis Ouwerkerk
Also filed as: OUWERKERK CORNELIS
7 granted patents·204 citations·filing 1975–1991
88Inventor score
Top patents by PatentIndex Score
7 records- 0189US4849958ASystem for recording/reading information on/from a disc, comprising a disc cassette and an apparatusPHILIPS CORP·Filed 1987·Granted Jul 18, 1989·51 cites·9 claims
- 0282US5062100ACombination disc cassette and apparatus for removing disc therefromPHILIPS CORP·Filed 1988·Granted Oct 29, 1991·35 cites·12 claims
- 0379US5325243ASystem for selectively interfacing information carriers by physically accepting cassettesPHILIPS CORP·Filed 1991·Granted Jun 28, 1994·42 cites·5 claims
- 0479US4241032AProcess for the removal of hydrogen sulfide from gas streamsSHELL OIL CO·Filed 1979·Granted Dec 23, 1980·27 cites·10 claims
- 0568US4696590APrinter having a guide for an insertable cassette which can hold data and transfer stripsPHILIPS CORP·Filed 1985·Granted Sep 29, 1987·18 cites·11 claims
- 0667US4926411ACassette having an information discPHILIPS CORP·Filed 1989·Granted May 15, 1990·16 cites·13 claims
- 0767US4011284AProcess for the manufacture of impact-resistant polyvinyl aromatic compoundSHELL OIL CO·Filed 1975·Granted Mar 8, 1977·15 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →