Average Co-Inventor Count = 2.79
ph-index = 14
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 Infrontia Corporation (20 from 290 patents)
2. Nitsuko Corporation (8 from 86 patents)
3. Nec Platforms, Ltd. (5 from 347 patents)
33 patents:
1. D911301 - Telephone
2. D910589 - Telephone
3. D910588 - Telephone
4. D877711 - Telephone
5. D788737 - Telephone
6. D676411 - Telephone
7. D676016 - Portion of a telephone
8. D664519 - Telephone
9. D656119 - Communication relay exchange control machine
10. D621381 - Telephone
11. D601119 - Telephone
12. D601118 - Telephone
13. D600670 - Telephone
14. D600671 - Telephone
15. D597519 - Communication relay exchange control machine