Average Co-Inventor Count = 2.00
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. Nec Corporation (4 from 35,670 patents)
4 patents:
1. 8442599 - Portable information terminal equipment
2. 8041406 - Portable information terminal equipment
3. 7756555 - Portable information terminal equipment
4. 7136686 - Portable information terminal equipment