Average Co-Inventor Count = 1.00
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. Zhejiang University (1 from 1,092 patents)
1 patent:
1. 12504225 - Hydrogen or helium throttling liquefaction system using direct current flow from the cold and hot ends of the regenerative cryocoolers