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. Canon Kabushiki Kaisha (2 from 90,594 patents)
2 patents:
1. 5320936 - Photo responsive material employing a thiophene derivative having long
2. 5247098 - Thiophene derivative having long conjugated chain at 3-position, and