Average Co-Inventor Count = 6.00
ph-index = 4
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. News Datacom Limited (3 from 13 patents)
2. News Data Com Ltd. (1 from 1 patent)
4 patents:
1. 6298441 - Secure document access system
2. 5878134 - Secure access systems utilizing more than one IC card
3. 5774546 - Secure access system utilizing an access card having more than one
4. 5666412 - Secure access systems and methods utilizing two access cards