Average Co-Inventor Count = 1.71
ph-index = 4
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. First Source Furniture Group LLC (3 from 7 patents)
2. United Chair Company, Inc. (1 from 4 patents)
4 patents:
1. 6811224 - Chair with adjustable arms and/or back
2. 6726278 - Back pad for chair back
3. 6705678 - Height-adjustable chair back
4. 6419318 - Chair having an adjustable lumbar mechanism