Inventor · disambiguated record
Wiggert Kroontje
Also filed as: KROONTJE WIGGERT
7 granted patents·120 citations·filing 1974–1989
86Inventor score
Files withPHILIPS CORP7
Top patents by PatentIndex Score
7 records- 0180US4940923AElectrodeless low-pressure discharge lampPHILIPS CORP·Filed 1989·Granted Jul 10, 1990·28 cites·16 claims
- 0278US4645967AElectrodeless low-pressure gas discharge lampPHILIPS CORP·Filed 1985·Granted Feb 24, 1987·27 cites·3 claims
- 0372US3958145AHigh pressure, mercury vapor, metal halide discharge lampPHILIPS CORP·Filed 1974·Granted May 18, 1976·14 cites·12 claims
- 0470US4455998ASolar collectorPHILIPS CORP·Filed 1981·Granted Jun 26, 1984·26 cites·2 claims
- 0565US4559471ADevice provided with a evacuated bulb comprising a getter and a getter auxiliary meansPHILIPS CORP·Filed 1983·Granted Dec 17, 1985·19 cites·7 claims
- 0641US4588919ALow-pressure alkali metal vapor discharge lamp with arc tube getteringPHILIPS CORP·Filed 1984·Granted May 13, 1986·4 cites·2 claims
- 0729US4645468AMethod of removing hydrocarbons from vacuum tubesPHILIPS CORP·Filed 1985·Granted Feb 24, 1987·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →