Average Co-Inventor Count = 2.40
ph-index = 4
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 (3 from 35,734 patents)
2. Nec Infrontia Corporation (1 from 290 patents)
4 patents:
1. D573971 - Mobile telephone
2. 6211606 - Piezoelectric actuator and method for manufacturing same
3. D412003 - Digital video camera
4. D363289 - Wireless modem