Average Co-Inventor Count = 1.67
ph-index = 5
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. Virco Mfg. Corporation (5 from 64 patents)
5 patents:
1. 6116692 - Chair construction
2. 6058854 - Lightweight plastic furniture
3. 5983807 - Lightweight plastic furniture
4. 5924770 - Chair construction
5. 5865128 - Folding leg mechanism