Inventor · disambiguated record
Wilhelmus A. H. Gijzen
Also filed as: GIJZEN WILHELMUS A H · GIJZEN WILHELMUS ADRIANUS HENR
12 granted patents·137 citations·filing 1974–1992
91Inventor score
Files withPHILIPS CORP12
Top patents by PatentIndex Score
12 records- 0171US4773055AVideodisc focusing and tracking servoPHILIPS CORP·Filed 1987·Granted Sep 20, 1988·20 cites·6 claims
- 0270US4767187ADevice for optically scanning an information carrierPHILIPS CORP·Filed 1987·Granted Aug 30, 1988·19 cites·11 claims
- 0369US4694442ADisc reader with obliquity correctionPHILIPS CORP·Filed 1985·Granted Sep 15, 1987·17 cites·17 claims
- 0463US4376572APivoting mirror devicePHILIPS CORP·Filed 1981·Granted Mar 15, 1983·12 cites·4 claims
- 0562US3967714AMatrix printer having detachable elementsPHILIPS CORP·Filed 1974·Granted Jul 6, 1976·16 cites·6 claims
- 0660US4833666ADisc-record player suitable for scanning disc of different typesPHILIPS CORP·Filed 1987·Granted May 23, 1989·12 cites·10 claims
- 0758US4014425ARecording element for a matrix printerPHILIPS CORP·Filed 1975·Granted Mar 29, 1977·9 cites·4 claims
- 0856US3993181AMatrix printer incorporating intermittent ink ribbon transportPHILIPS CORP·Filed 1975·Granted Nov 23, 1976·9 cites·6 claims
- 0943US4394755ABearing arrangement for an objective of an optical apparatus for writing and/or reading recording tracks by means of a radiation beamPHILIPS CORP·Filed 1980·Granted Jul 19, 1983·5 cites·11 claims
- 1042US4747668AOptical scanning unitPHILIPS CORP·Filed 1986·Granted May 31, 1988·7 cites·16 claims
- 1135US5438613AX-ray analysis apparatus and scanning unit suitable for use in such an apparatusPHILIPS CORP·Filed 1992·Granted Aug 1, 1995·9 cites·20 claims
- 1230US4783775ADriver for an objective of an optical scanning unitPHILIPS CORP·Filed 1986·Granted Nov 8, 1988·2 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →