Average Co-Inventor Count = 2.00
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. Spectradyne LLC (2 from 13 patents)
2. Other (1 from 832,718 patents)
3. Svi Systems, Inc. (1 from 6 patents)
4. Spectravision, Inc. (1 from 5 patents)
5. Messagephone, Inc. (1 from 4 patents)
6 patents:
1. RE39376 - System for accessing amenities through a public telephone network
2. 5661517 - Interactive intelligent video information system
3. 5625864 - Interactive digital video services system with store and forward
4. 5521631 - Interactive digital video services system with store and forward
5. 5475740 - System for accessing and paying for amenities using a telephone
6. 5323448 - System for accessing amenities through a public telephone network