Average Co-Inventor Count = 1.41
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. Nec Corporation (4 from 35,689 patents)
4 patents:
1. 8838190 - Portable electronic device
2. 8811036 - Electronic device and frame member
3. 5898364 - Electronic equipment having vibration motor
4. 5882816 - Structure of battery storage portion for electronic equipment