Inventor · disambiguated record
Jan Van Der Waal
Also filed as: VAN DER WAAL JAN · VAN DER WAAL JAN COMELIS
7 granted patents·85 citations·filing 1976–2020
83Inventor score
Top patents by PatentIndex Score
7 records- 0191US4442376AColor display tube having heavy metal coating on color selection electrodePHILIPS CORP·Filed 1981·Granted Apr 10, 1984·48 cites·7 claims
- 0270US4090389AMethod of drawing a shadow maskPHILIPS CORP·Filed 1976·Granted May 23, 1978·17 cites·4 claims
- 0361US4866466AMethod of producing a color picture tube screenPHILIPS CORP·Filed 1988·Granted Sep 12, 1989·12 cites·9 claims
- 0452US12479787B2Acidic elimination for bio-based aromaticsTNO·Filed 2020·Granted Nov 25, 2025·0 cites·14 claims
- 0538US5086250AColor cathode ray tube having shadow mask with some long, narrow aperturesPHILIPS CORP·Filed 1988·Granted Feb 4, 1992·4 cites·5 claims
- 0637US4065695ACathode ray tube screen having charge-retaining layer apertured in registration with color elementsPHILIPS CORP·Filed 1976·Granted Dec 27, 1977·3 cites·2 claims
- 0722US4339516AMethod of manufacturing reproduction masks for producing a pattern of elongate apertures in a shadow mask of a color cathode ray tubePHILIPS CORP·Filed 1978·Granted Jul 13, 1982·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →