Average Co-Inventor Count = 2.86
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. Showa Denko K.k. (2 from 1,960 patents)
2 patents:
1. 5215551 - Alumina-based ceramics materials, abrasive materials and method for the
2. 4106915 - Abrader for mirror polishing of glass