Average Co-Inventor Count = 3.64
ph-index = 3
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. Softbook Press, Inc. (3 from 9 patents)
3 patents:
1. 6331865 - Method and apparatus for electronically distributing and viewing digital contents
2. D430117 - Electronic book
3. 5956034 - Method and apparatus for viewing electronic reading materials