Average Co-Inventor Count = 2.40
ph-index = 2
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. Jsp Corporation (3 from 231 patents)
3 patents:
1. 11540567 - Filter frame
2. D925724 - Respiratory mask
3. D899585 - Respiratory mask