Average Co-Inventor Count = 3.00
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. Sumitomo Sitix Corporation (2 from 40 patents)
2 patents:
1. 5551978 - Apparatus for producing single crystal
2. 5435263 - Method of producing single crystal