Average Co-Inventor Count = 2.16
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 (9 from 35,689 patents)
9 patents:
1. D450788 - Personal robot
2. D382871 - Mobile telephone
3. D382545 - Portable communication terminal
4. D377341 - Portable communication terminal
5. D374669 - Pager
6. D371132 - Pager
7. D370212 - Electronic computer
8. D323822 - Teleconferencing transmission terminal
9. D307274 - Audio teleconference equipment with acoustic echo canceller