Average Co-Inventor Count = 1.71
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. Ykk Corporation (3 from 1,443 patents)
3 patents:
1. 7140078 - Cord stopper
2. D497540 - Cord stopper
3. D479978 - Cord holder