Average Co-Inventor Count = 5.83
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. Korea Institute of Machinery & Materials (2 from 349 patents)
2 patents:
1. 9281230 - Apparatus for manufacturing a hierarchical structure
2. 8551353 - Hierarchical structure and manufacturing method thereof