Inventor · disambiguated record
John M. Chapman
Also filed as: CHAPMAN JOHN M · CHAPMAN JOHN MORRIS
6 granted patents·106 citations·filing 1981–2000
85Inventor score
Top patents by PatentIndex Score
6 records- 0178US4458301ADischarge lamps with curved sections and central connectionsEMI PLC THORN·Filed 1982·Granted Jul 3, 1984·33 cites·23 claims
- 0267US4549251ADischarge lampsEMI PLC THORN·Filed 1983·Granted Oct 22, 1985·21 cites·15 claims
- 0365US6114873AContent addressable memory programmable arrayNORTEL NETWORKS CORP·Filed 1998·Granted Sep 5, 2000·24 cites·20 claims
- 0463US6393897B1Accelerated leakage testingGOODYEAR TIRE & RUBBER·Filed 2000·Granted May 28, 2002·11 cites·5 claims
- 0563USD273999SFluorescent lampTHORN EMI LTD·Filed 1981·Granted May 22, 1984·9 cites·1 claims
- 0660USD273809SFluorescent lampTHORN EMI LTD·Filed 1981·Granted May 8, 1984·8 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →