Average Co-Inventor Count = 3.00
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. Nippon Telegraph and Telephone Corporation (2 from 5,290 patents)
2 patents:
1. 4848273 - Epitaxial growth method and apparatus therefor
2. 4808551 - Method for halide VPE of III-V compound semiconductors