Inventor · disambiguated record
Karl-Heinz Ranf
Also filed as: RANF KARL H · RANF KARL-HEINZ
2 granted patents·88 citations·filing 1985–1992
66Inventor score
Top patents by PatentIndex Score
2 records- 0172US5486847AApparatus for a stylus input system for shielding RFI/EMI fieldsNCR CORP·Filed 1992·Granted Jan 23, 1996·75 cites·26 claims
- 0240US4727414ACircuit for converting digital signals representing color information into analog voltage level signals with enhanced contrast between foreground and backgroundNCR CO·Filed 1985·Granted Feb 23, 1988·13 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →