Average Co-Inventor Count = 2.40
ph-index = 4
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 (6 from 77 patents)
6 patents:
1. D860259 - Gas filling apparatus
2. D849058 - Gas filling apparatus
3. D814526 - Main body of gas filling apparatus
4. D813913 - Gas filling apparatus
5. D809568 - Gas filling apparatus
6. D809569 - Gas filling apparatus