Average Co-Inventor Count = 2.00
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. Aastra Technologies Limited (5 from 17 patents)
5 patents:
1. D464636 - Telephone set
2. D463390 - Telephone set
3. D461462 - Telephone set
4. D460954 - Telephone set
5. D449594 - Screen portion for telephone set