Average Co-Inventor Count = 1.60
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. Cabot Corporation (1 from 838 patents)
2. Sonoma Technology, Inc. (1 from 2 patents)
2 patents:
1. 5082502 - Cleaning apparatus and process
2. 4921349 - Photographic method for monitoring visibility through measurement of