Average Co-Inventor Count = 3.86
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. Steelcase Inc. (3 from 1,810 patents)
3 patents:
1. 7644991 - Chair with folding armrest
2. D572914 - Chair
3. D572490 - Chair