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. Vtech Telecommunications Limited (4 from 90 patents)
4 patents:
1. 7515702 - Method and system for downloading audio samples for personalized telephone ring tones
2. 7386304 - Method and system for transferring data for upgrading features in portable electronic devices
3. 7386104 - Method and system for transferring data to a line connected device using a computer modem
4. 6990356 - Cordless telephone system with wireless expansion peripherals