Average Co-Inventor Count = 1.76
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. Ykk Corporation (5 from 1,383 patents)
5 patents:
1. 9801432 - Buckle
2. D685292 - Buckle
3. D684893 - Buckle
4. D667753 - Connector ring
5. D649907 - Belt adjuster