Average Co-Inventor Count = 3.43
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. Bell Telephone Laboratories (1 from 2,714 patents)
2. American Telephone & Telegraph Co., At&t Bell Laboratories (1 from 745 patents)
2 patents:
1. 4700210 - Asymmetric chip design for LEDS
2. 4275404 - Monolithic opto-isolator