Inventor · disambiguated record
Willem M. Van Alphen
Also filed as: ALPHEN WILLEM MEIJNDERT VAN · VAN ALPHEN WILLEM · VAN ALPHEN WILLEM M · VAN ALPHEN WILLEM MEIJNDERT
14 granted patents·191 citations·filing 1974–2000
92Inventor score
Technology areasH01J
Top patents by PatentIndex Score
14 records- 0194US4027219ADevice for displaying color television imagesPHILIPS CORP·Filed 1975·Granted May 31, 1977·66 cites·11 claims
- 0287US3952227ACathode-ray tube having electrostatic focusing and electrostatic deflection in one lensPHILIPS CORP·Filed 1974·Granted Apr 20, 1976·24 cites·1 claims
- 0383US4059781AShadow mask each aperture of which is defined by a quadrupolar lensPHILIPS CORP·Filed 1977·Granted Nov 22, 1977·22 cites·8 claims
- 0481US4899080AProjection television display tube with cooling means and display device having such a display tubePHILIPS CORP·Filed 1989·Granted Feb 6, 1990·27 cites·15 claims
- 0557US6373181B1Deflection unit for a cathode ray tubePHILIPS CORP·Filed 2000·Granted Apr 16, 2002·3 cites·8 claims
- 0650US5117152ACathode ray tube including a magnetic focusing lensPHILIPS CORP·Filed 1989·Granted May 26, 1992·7 cites·13 claims
- 0749US4734613ALiquid cooled display tubePHILIPS CORP·Filed 1984·Granted Mar 29, 1988·8 cites·5 claims
- 0846US4961022ADisplay tube including a helical focusing lens with a non-rotationally symmetrical lens elementPHILIPS CORP·Filed 1989·Granted Oct 2, 1990·6 cites·8 claims
- 0945US5202606ACathode-ray tube with focussing structure and getter meansPHILIPS CORP·Filed 1992·Granted Apr 13, 1993·8 cites·10 claims
- 1044US4988929APicture display devicePHILIPS CORP·Filed 1990·Granted Jan 29, 1991·7 cites·5 claims
- 1139US4721880AColor cathode ray tube including a channel plate electron multiplierPHILIPS CORP·Filed 1986·Granted Jan 26, 1988·4 cites·19 claims
- 1236US4398896AMethod of de-burring and cleaning electrode systemsPHILIPS CORP·Filed 1979·Granted Aug 16, 1983·2 cites·7 claims
- 1335US6441547B1Cathode ray tube with narrowed neck portionKONINKL PHILIPS ELECTRONICS NV·Filed 1999·Granted Aug 27, 2002·5 cites·7 claims
- 1432US4988928APicture display devicePHILIPS CORP·Filed 1990·Granted Jan 29, 1991·2 cites·2 claims
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