Average Co-Inventor Count = 2.40
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. Essential Research, Inc. (2 from 4 patents)
2. The Ohio State University (1 from 1,506 patents)
2 patents:
1. 6482672 - Using a critical composition grading technique to deposit InGaAs epitaxial layers on InP substrates
2. 5571339 - Hydrogen passivated heteroepitaxial III-V photovoltaic devices grown on