Average Co-Inventor Count = 4.29
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. Psion Inc. (3 from 64 patents)
3 patents:
1. D704134 - Battery housing for portable device
2. D674796 - Portable housing
3. D673955 - Handheld computer