Average Co-Inventor Count = 4.00
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. Hong Jin Crown Corporation, Ltd. (2 from 2 patents)
2 patents:
1. 6676884 - Dual-structure helmet and method of manufacturing the same
2. 6468644 - Dual-structure helmet and method of manufacturing the same