Inventor · disambiguated record
Johannes P. T. Franssen
Also filed as: FRANSSEN JOHANNES P T
2 granted patents·30 citations·filing 1977–1979
57Inventor score
Technology areasH01J
Files withPHILIPS CORP2
Top patents by PatentIndex Score
2 records- 0185US4139250AGas discharge display panel and method of manufacturing the samePHILIPS CORP·Filed 1977·Granted Feb 13, 1979·29 cites·4 claims
- 0229US4278912AElectric discharge tube having a glass-sealed electric leadthrough and method of manufacturing such an electric leadthroughPHILIPS CORP·Filed 1979·Granted Jul 14, 1981·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →