Average Co-Inventor Count = 9.00
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. Ocean University of China (1 from 63 patents)
2. First Institute of Oceanography, Ministry of Natural Resources (1 from 15 patents)
3. Shandong Marine Resource and Environment Research Institute (1 from 2 patents)
1 patent:
1. 12332388 - Method for determiningRa in sediment by using pulse ionization chamber emanometer