Inventor · disambiguated record
Johannes H. A. Vasterink
Also filed as: VASTERINK JOHANNES H A
3 granted patents·39 citations·filing 1986–1987
71Inventor score
Technology areasH01J
Files withPHILIPS CORP3
Top patents by PatentIndex Score
3 records- 0169US4717855ADual-cathode electron emission devicePHILIPS CORP·Filed 1986·Granted Jan 5, 1988·18 cites·20 claims
- 0259US4736135AElectron emission device provided with a reservoir containing material reducing the electron work functionPHILIPS CORP·Filed 1986·Granted Apr 5, 1988·11 cites·8 claims
- 0353US4749904ACathode ray tube with an ion trap including a barrier memberPHILIPS CORP·Filed 1987·Granted Jun 7, 1988·10 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →