Inventor · disambiguated record
Leendert Vriens
Also filed as: VRIENS LEENDERT
30 granted patents·2,066 citations·filing 1978–2001
97Inventor score
Top patents by PatentIndex Score
30 records- 0198US5813753AUV/blue led-phosphor device with efficient conversion of UV/blues light to visible lightPHILIPS ELECTRONICS NA·Filed 1997·Granted Sep 29, 1998·1.1k cites·16 claims
- 0296US5813752AUV/blue LED-phosphor device with short wave pass, long wave pass band pass and peroit filtersPHILIPS ELECTRONICS NA·Filed 1997·Granted Sep 29, 1998·415 cites·12 claims
- 0394US4822144AElectro-optic color display including luminescent layer and interference filterPHILIPS CORP·Filed 1987·Granted Apr 18, 1989·116 cites·10 claims
- 0493US4882617AProjection device and associated electro-optic monochrome display device with phosphor layer and interference filtersPHILIPS CORP·Filed 1987·Granted Nov 21, 1989·103 cites·38 claims
- 0592US4762393ARear projection screen and rear projection system provided with such a screenPHILIPS CORP·Filed 1987·Granted Aug 9, 1988·40 cites·13 claims
- 0692US4634926ADisplay tube provided with an interference filterPHILIPS CORP·Filed 1984·Granted Jan 6, 1987·46 cites·17 claims
- 0784US4683398AProjection television display tube and device having interference filterPHILIPS CORP·Filed 1985·Granted Jul 28, 1987·33 cites·17 claims
- 0881US4899080AProjection 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
- 0980US4804884ADisplay tube having improved brightness distributionPHILIPS CORP·Filed 1987·Granted Feb 14, 1989·25 cites·42 claims
- 1080US4647812ADisplay tube having a display window with an interference filterPHILIPS CORP·Filed 1985·Granted Mar 3, 1987·25 cites·15 claims
- 1174US5168351AShort focal length video color projector employing dichroic mirror blockPHILIPS CORP·Filed 1990·Granted Dec 1, 1992·38 cites·12 claims
- 1265US4989092APicture display device using scan direction transpositionPHILIPS CORP·Filed 1989·Granted Jan 29, 1991·20 cites·36 claims
- 1364US4990824AColor cathode ray tube having interference filter with different pass bandsPHILIPS CORP·Filed 1988·Granted Feb 5, 1991·14 cites·18 claims
- 1456US5068568ACathode ray tube having multilayer interference filterPHILIPS CORP·Filed 1990·Granted Nov 26, 1991·14 cites·27 claims
- 1553US4807014AThree tube color projection television system having multispot blue tube and single-spot red and green tubesPHILIPS CORP·Filed 1987·Granted Feb 21, 1989·13 cites·12 claims
- 1651US6489712B1CRT with improved slotted maskKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Dec 3, 2002·2 cites·6 claims
- 1750US5619094AColor cathode ray tube and display device with reduced moirePHILIPS CORP·Filed 1995·Granted Apr 8, 1997·8 cites·4 claims
- 1850US5099169AShadow mask color display tubePHILIPS CORP·Filed 1990·Granted Mar 24, 1992·9 cites·7 claims
- 1946US5179312ATelevision projection system having frame with integral coolingPHILIPS CORP·Filed 1986·Granted Jan 12, 1993·6 cites·13 claims
- 2046US4606017AOptical recording discPHILIPS CORP·Filed 1983·Granted Aug 12, 1986·5 cites·4 claims
- 2145US5319280AColor picture tube with reduced raster distortion and flat appearing display windowPHILIPS CORP·Filed 1992·Granted Jun 7, 1994·7 cites·8 claims
- 2245US5209690AMethod of vapor depositing an interference filter layer on the inside of a display window, a display window, a projection cathode ray tube and a projection television apparatusPHILIPS CORP·Filed 1992·Granted May 11, 1993·9 cites·14 claims
- 2342US5841247ACathode ray tube, display system incorporating same and computer including control means for display systemPHILIPS CORP·Filed 1996·Granted Nov 24, 1998·8 cites·10 claims
- 2440US6559584B2CRT with improved slotted maskKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted May 6, 2003·0 cites·15 claims
- 2538US6239772B1Video moire reductionPHILIPS CORP·Filed 1998·Granted May 29, 2001·10 cites·8 claims
- 2634US5698939ADisplay device having a display windowPHILIPS CORP·Filed 1993·Granted Dec 16, 1997·4 cites·12 claims
- 2732US5825435AColor cathrode ray tube and display devicePHILIPS CORP·Filed 1995·Granted Oct 20, 1998·4 cites·12 claims
- 2830US5061993AProjection television display devicePHILIPS CORP·Filed 1988·Granted Oct 29, 1991·1 cites·5 claims
- 2930US4152673AGas discharge laserPHILIPS CORP·Filed 1978·Granted May 1, 1979·1 cites·3 claims
- 3028US4988203ADevice for inspecting an interference filter for a projection television display tubePHILIPS CORP·Filed 1989·Granted Jan 29, 1991·5 cites·20 claims
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