Average Co-Inventor Count = 4.00
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. Sumitomo Riko Company Limited (2 from 338 patents)
2 patents:
1. 10806273 - Mattress
2. 10051972 - Mattress