Average Co-Inventor Count = 3.00
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. Gulf Research & Development Company (2 from 466 patents)
2 patents:
1. 4462935 - Quaternary phosphonium thiostannates
2. 4406801 - Grease compositions containing quaternary phosphonium thiostannates