Average Co-Inventor Count = 7.00
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. Tohoku University (1 from 984 patents)
2. Japan Steel Works M&e, Inc. (1 from 6 patents)
1 patent:
1. 11746439 - Pressure container for crystal production