Average Co-Inventor Count = 4.00
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. International Business Machines Corporation (2 from 164,197 patents)
2 patents:
1. 4543319 - Polystyrene-tetrathiafulvalene polymers as deep-ultraviolet mask material
2. 4360583 - High resolution video storage disk