Average Co-Inventor Count = 13.35
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. Nkk Corporation (2 from 614 patents)
2 patents:
1. 6230634 - Method of blowing synthetic resin into a furnace
2. 5992335 - Method of blowing synthetic resin into furnace and apparatus therefor