Average Co-Inventor Count = 2.25
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 (3 from 1,383 patents)
3 patents:
1. 11332056 - Seat cover fastening clip
2. D887895 - Insert pin for slide fastener
3. D866302 - Retaining box for slide fastener