Average Co-Inventor Count = 2.00
ph-index = 1
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 (1 from 1,383 patents)
2. Zeon Corporation (1,237 patents)
3. National University Corporation Shiga University of Medical Science (2 patents)
1 patent:
1. 7788773 - Double-sided engaging element for slide fastener