Average Co-Inventor Count = 4.00
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. Sumco Corporation (2 from 602 patents)
2 patents:
1. 8330222 - Epitaxial wafer and production method thereof
2. 8173553 - Epitaxial wafer and production method thereof