Average Co-Inventor Count = 3.00
ph-index = 24
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. At&t Bell Laboratories (35 from 3,345 patents)
2. Bell Telephone Laboratories (34 from 2,714 patents)
3. At&t Technologies, Inc. (15 from 382 patents)
4. At&t Information Systems Inc. (12 from 243 patents)
5. Western Electric Company, Inc. (5 from 781 patents)
6. American Telephone and Telegraph, Co. (3 from 386 patents)
7. American Safety Razor Company (3 from 117 patents)
8. At&t Company (2 from 29 patents)
9. American Telephone and Telegraph Company; At&t Information Systems (2 from 26 patents)
10. At&t Laboratories, Limited (1 from 28 patents)
11. At&t Bell Telephone Laboratories, Incorporated (1 from 6 patents)
109 patents:
1. D345972 - Video telephone set
2. D345971 - Video telephone station
3. D340036 - Smart card reader
4. D332610 - Telephone handset or similar article
5. D327139 - Razor handle
6. D326850 - Telephone base
7. D326649 - Telephone base
8. D325653 - Razor handle
9. D323656 - Wall-mounted, coinless public telephone
10. D323489 - Portable terminal for smart cards
11. D321870 - Video telephone set
12. D318469 - Desk-mounted coinless public telephone
13. D318051 - Telephone stand
14. D315557 - Video telephone station
15. D315343 - Facsimile transceiver