Inventor · disambiguated record
Johannes P. J. G. Van Liempd
Also filed as: VAN LIEMPD JOHANNES P J G
7 granted patents·47 citations·filing 1988–1991
83Inventor score
Files withPHILIPS CORP7
Top patents by PatentIndex Score
7 records- 0164US5304455AMaster discPHILIPS CORP·Filed 1991·Granted Apr 19, 1994·16 cites·6 claims
- 0256US5004660AMaster disc and method of manufacturing a matrixPHILIPS CORP·Filed 1989·Granted Apr 2, 1991·18 cites·9 claims
- 0341US5001035AMethod of recording information, recording element manufactured according to the method and method of producing a metal matrixPHILIPS CORP·Filed 1988·Granted Mar 19, 1991·4 cites·6 claims
- 0435US5214632AMethod of manufacturing a matrix and a master plate suitable for use in the methodPHILIPS CORP·Filed 1988·Granted May 25, 1993·3 cites·3 claims
- 0534US5106721AMethod of recording information, recording element manufactured according to the method and method of producing a metal matrixPHILIPS CORP·Filed 1990·Granted Apr 21, 1992·2 cites·1 claims
- 0633US5114829AMaster disc suitable for the manufacture of matrices containing a recording double layerPHILIPS CORP·Filed 1991·Granted May 19, 1992·2 cites·1 claims
- 0730US5019487AMethod of manufacturing a metal matrix and a master disc suitable for the manufacture of matricesPHILIPS CORP·Filed 1989·Granted May 28, 1991·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →