Average Co-Inventor Count = 5.33
ph-index = 1
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Lexmark International, Inc. (2 from 3,024 patents)
2 patents:
1. 5494507 - Dye having hydrophobic substituent and aqueous ink
2. 5198022 - Waterfast dye and aqueous ink