Average Co-Inventor Count = 2.33
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. Tie/communications, Inc. (7 from 60 patents)
7 patents:
1. D295405 - Telephone set
2. D293088 - Transmitter
3. D291436 - Telephone set
4. 4674118 - Telephone line hold and hold release apparatus
5. D287585 - Telephone set
6. D287492 - Telephone set
7. D287491 - Telephone set