Average Co-Inventor Count = 3.75
ph-index = 1
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. Rakuten Kobo Inc. (2 from 64 patents)
2 patents:
1. 11586576 - Electronic reading device with a mid-frame structure
2. 11443103 - Reflowable content with annotations