Average Co-Inventor Count = 4.44
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. At&t Bell Laboratories (1 from 3,345 patents)
2. American Telephone & Telegraph Co., At&t Bell Laboratories (1 from 745 patents)
2 patents:
1. 5056098 - Vertical cavity laser with mirror having controllable reflectivity
2. 4873558 - Group III-V compound field effect transistor with diffusion barrier