Average Co-Inventor Count = 4.44
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. Valmet Oy (1 from 216 patents)
2. Raisio Chemicals Oy (1 from 7 patents)
3. Ciba Specialty Chemicals Holding, Inc. (2 patents)
2 patents:
1. 6187144 - Method for sizing paper
2. 5009016 - Method for on-machine coating-drying of a paper web or the like