Average Co-Inventor Count = 3.00
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. Tatsuno Corporation (2 from 77 patents)
2 patents:
1. D860259 - Gas filling apparatus
2. D849058 - Gas filling apparatus