Inventor · disambiguated record

Johanes J.W. Kalfs

Also filed as: KALFS JOHANES J W

1 granted patent·11 citations·filing 1997–1997

33Inventor score

Technology areasG11B

Files withPHILIPS CORP1

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1 record

0147US5912778ASystem for recording and/or reproducing information medium for use in the system and magnetic head for formatting the mediumPHILIPS CORP·Filed 1997·Granted Jun 15, 1999·11 cites·20 claims

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