Average Co-Inventor Count = 10.00
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. Kabushiki Kaisha Kobe Seiko Sho (1 from 1,100 patents)
1 patent:
1. 5730847 - Arc ion plating device and arc ion plating system