Average Co-Inventor Count = 2.53
ph-index = 6
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 (6 from 35,670 patents)
2. Nec Platforms, Ltd. (2 from 346 patents)
8 patents:
1. D876974 - Face recognition machine
2. D853981 - Telephone
3. D838618 - Face recognition machine
4. D837785 - Communication relay exchange control machine
5. D301875 - Handset for a mobile telephone set
6. D301455 - Battery charger for a portable radio telephone set
7. D301474 - Cradle for a portable radio telephone set
8. D298033 - Portable handset radio telephone