Average Co-Inventor Count = 3.27
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. 9089187 - Fastener stringer for concealed slide fastener
2. 8739372 - Fastener stringer for hidden slide fastener
3. 5983465 - Fastener tape and stringer for a slide fastener chain