Average Co-Inventor Count = 3.00
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. Apple Inc. (4 from 40,951 patents)
4 patents:
1. 10091005 - Push notification service
2. 9210685 - Push notification service
3. 8351921 - Push notification service
4. 8064896 - Push notification service