Average Co-Inventor Count = 3.27
ph-index = 3
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. Mitsubishi Rayon Company, Limited (3 from 1,357 patents)
3 patents:
1. 9522361 - Fixing member and membrane module unit
2. D652900 - Aeration pipe unit
3. D648426 - Aeration pipe unit