Average Co-Inventor Count = 8.00
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. Other (2 from 832,912 patents)
2 patents:
1. 6357507 - Curtain arrangement for preventing spread of smoke
2. 5862851 - Curtain arrangement for preventing spread of smoke