Average Co-Inventor Count = 3.50
ph-index = 3
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. Claircom Communications Group, Inc. (2 from 10 patents)
2. Silicon Graphics, Incorporated (1 from 715 patents)
3. Tatung Telecom (1 from 8 patents)
4 patents:
1. D434745 - Pay telephone
2. 6061104 - Flat panel display and stand with vertical adjustment and tilt adjustment
3. 5652792 - Telephone handset and cradle
4. D371553 - Telephone handset