Average Co-Inventor Count = 2.67
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. Arbed S.a. (2 from 85 patents)
2 patents:
1. 5148642 - Antiseismic steel structural work
2. 4779395 - Composite concrete/steel fireproof column