Assignee
PHILIPS & DU PONT OPTICAL
US·11 granted patents·291 citations·filing 1987–1991
Top patents by PatentIndex Score
11 records- 0194US5101971AStorage cassette for a disc having a center holePHILIPS & DU PONT OPTICAL·Filed 1990·Granted Apr 7, 1992·83 cites·17 claims
- 0282US4916567AStorage cassette for a disc-shaped information carrierPHILIPS & DU PONT OPTICAL·Filed 1988·Granted Apr 10, 1990·31 cites·5 claims
- 0376US5150113AMethod and apparatus for transmitting an information signal together with data packets of related and unrelated textual information and receiving apparatus thereforPHILIPS & DU PONT OPTICAL·Filed 1990·Granted Sep 22, 1992·53 cites·14 claims
- 0473US4856766AVacuum apparatus for holding workpiecesPHILIPS & DU PONT OPTICAL·Filed 1988·Granted Aug 15, 1989·30 cites·6 claims
- 0569US5176859AApparatus/and method for controlling an injection molding process producing a molded partPHILIPS & DU PONT OPTICAL·Filed 1991·Granted Jan 5, 1993·30 cites·4 claims
- 0656US5133824AMethod and device for removing a flexible product from a carrier platePHILIPS & DU PONT OPTICAL·Filed 1990·Granted Jul 28, 1992·14 cites·17 claims
- 0754US4852327AMachine for assembling a containerPHILIPS & DU PONT OPTICAL·Filed 1987·Granted Aug 1, 1989·21 cites·4 claims
- 0850US4964958AMethod of producing a metal matrixPHILIPS & DU PONT OPTICAL·Filed 1989·Granted Oct 23, 1990·9 cites·5 claims
- 0941US4996078AMethod of removing particles from substrate surfacesPHILIPS & DU PONT OPTICAL·Filed 1990·Granted Feb 26, 1991·10 cites·12 claims
- 1032US4861437AMethod of manfacturing a mould and providing it with a backing and mould manufactured according to the inventionPHILIPS & DU PONT OPTICAL·Filed 1988·Granted Aug 29, 1989·8 cites·12 claims
- 1116US5150353AApparatus for scanning a disc, and suction device for holding a disc flat during scanningPHILIPS & DU PONT OPTICAL·Filed 1991·Granted Sep 22, 1992·2 cites·11 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →