Average Co-Inventor Count = 3.00
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. U.S. Philips Corporation (2 from 14,087 patents)
2 patents:
1. 5217817 - Steel tool provided with a boron layer
2. 5164230 - Method of applying a boron layer to a steel substrate by a CVD process