Average Co-Inventor Count = 2.00
ph-index = 2
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. Koninklijke Philips Corporation N.v. (1 from 21,366 patents)
2. Vcs Industries, Inc. (1 from 7 patents)
2 patents:
1. 6502075 - Auto attendant having natural names database library
2. 5315649 - Toll call telephone service center