Average Co-Inventor Count = 2.00
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. Tandy Corporation (1 from 130 patents)
2. Grid Systems Corporation (1 from 29 patents)
2 patents:
1. 5226080 - Method and apparatus for password protection of a computer
2. 5091939 - Method and apparatus for password protection of a computer