Average Co-Inventor Count = 5.33
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. Softbook Press, Inc. (2 from 9 patents)
2 patents:
1. 6331865 - Method and apparatus for electronically distributing and viewing digital contents
2. 6314474 - Efficient information exchange between an electronic book and a cartridge