Average Co-Inventor Count = 2.00
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. Ykk Corporation (2 from 1,383 patents)
2 patents:
1. D425783 - Cord stopper
2. 6044527 - Cord end stopper