Average Co-Inventor Count = 3.43
ph-index = 2
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. Kvaerner Pulping Ab (2 from 109 patents)
2. Telefonaktiebolaget Lm Ericsson (Publ) (25,828 patents)
2 patents:
1. 6722130 - Method of producing process steam from a black liquor
2. 6089417 - Chip bin