Inventor · disambiguated record
Alexander Perumal, Jr.
Also filed as: PERUMAL JR ALEXANDER
4 granted patents·200 citations·filing 1994–1997
82Inventor score
Technology areasH04N
Files withHEWLETT PACKARD CO4
Top patents by PatentIndex Score
4 records- 0182US5473446AColor digital halftoning using black and secondary color replacement and color vector ditheringHEWLETT PACKARD CO·Filed 1994·Granted Dec 5, 1995·63 cites·20 claims
- 0277US5657137AColor digital halftoning using black and secondary color replacementHEWLETT PACKARD CO·Filed 1995·Granted Aug 12, 1997·53 cites·21 claims
- 0373US5917994AColor digital halftoning using black and secondary color replacementHEWLETT PACKARD CO·Filed 1997·Granted Jun 29, 1999·43 cites·20 claims
- 0470US5710827AHalftone dither cell with integrated preferred color matchingHEWLETT PACKARD CO·Filed 1995·Granted Jan 20, 1998·41 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →