Average Co-Inventor Count = 2.40
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. Huels Aktiengesellschaft (1 from 580 patents)
2. Chemische Werke Huels Aktiengesellschaft (1 from 125 patents)
2 patents:
1. 4756353 - Low rolling resistance tire tread
2. 4153772 - Vulcanizable molding compositions