Inventor · disambiguated record
Ronald J. Campbell
Also filed as: CAMPBELL RONALD H · CAMPBELL RONALD J
3 granted patents·1 pending application·54 citations·filing 1981–2002
71Inventor score
Files withPHILIPS CORP2
Top patents by PatentIndex Score
4 records- 0187US4409517AHigh-pressure discharge lamp with envelope lead-through structurePHILIPS CORP·Filed 1981·Granted Oct 11, 1983·40 cites·5 claims
- 0270US6691063B1Measuring a baseball player's accumulated winning contributionFiled 2002·Granted Feb 10, 2004·5 cites·12 claims
- 0340US4401693AMethod of manufacturing a heat-reflecting filterPHILIPS CORP·Filed 1981·Granted Aug 30, 1983·9 cites·5 claims
- 0433US2002014116A1Methods and systems for measuring crop densityFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →