Inventor · disambiguated record
John F. Obrien
Also filed as: OBRIEN JOHN · OBRIEN JOHN F
3 granted patents·99 citations·filing 1997–2000
73Inventor score
Top patents by PatentIndex Score
3 records- 0182US6040590ASemiconductor device with electrostatic controlCALIFORNIA INST OF TECHN·Filed 1997·Granted Mar 21, 2000·78 cites·26 claims
- 0274US6459873B1DC pin scorotron charging apparatus, and printing machine arranged with the sameXEROX CORP·Filed 2000·Granted Oct 1, 2002·17 cites·28 claims
- 0335US5926674AReverse polarity split recharge in recharge-expose-and-develop image on imaging printingXEROX CORP·Filed 1998·Granted Jul 20, 1999·4 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →