Inventor · disambiguated record
John L. Ingraham
Also filed as: INGRAHAM JOHN · INGRAHAM JOHN L
3 granted patents·101 citations·filing 1991–1994
75Inventor score
Files withIRIS GRAPHICS INC3
Top patents by PatentIndex Score
3 records- 0174US5625397ADot on dot ink jet printing using inks of differing densitiesIRIS GRAPHICS INC·Filed 1994·Granted Apr 29, 1997·33 cites·17 claims
- 0273US5416612AApparatus and method for producing color half-tone imagesIRIS GRAPHICS INC·Filed 1992·Granted May 16, 1995·39 cites·14 claims
- 0363US5315380AApparatus and method for transforming the digital representation of a color input imageIRIS GRAPHICS INC·Filed 1991·Granted May 24, 1994·29 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →