Inventor · disambiguated record
John Geoffrey Harfield
Also filed as: HARFIELD JOHN G · HARFIELD JOHN GEOFFREY
2 granted patents·33 citations·filing 1986–1998
62Inventor score
Top patents by PatentIndex Score
2 records- 0152US6175227B1Potential-sensing method and apparatus for sensing and characterizing particles by the Coulter principleCOULTER INT CORP·Filed 1998·Granted Jan 16, 2001·20 cites·44 claims
- 0251US4797624AMethod and apparatus for editing particle produced electrical pulsesCOULTER ELECTRONICS·Filed 1986·Granted Jan 10, 1989·13 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →