Average Co-Inventor Count = 3.00
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. Sunstar Giken Kabushiki Kaisha (3 from 88 patents)
3 patents:
1. 4906516 - Leather-like foam sheet for vacuum forming
2. 4865904 - Laminated cloth
3. 4781976 - Skin covering for trims of automobiles