Average Co-Inventor Count = 3.43
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. Xerox Corporation (2 from 24,196 patents)
2 patents:
1. 4557868 - Process for preparing a phthalocyanine
2. 3966466 - Photoelectrophoretic imaging process using dark charge injecting agent