Growing community of inventors

Richmond, CA, United States of America

Douglas Charney

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.

Forward Citations = 7

Douglas CharneyDouglas Alvarado (2 patents)Douglas CharneyGary Rogalski (1 patent)Douglas CharneyGordon Ryley (1 patent)Douglas CharneyDouglas Charney (4 patents)Douglas AlvaradoDouglas Alvarado (3 patents)Gary RogalskiGary Rogalski (11 patents)Gordon RyleyGordon Ryley (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

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

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/14/2025
Loading…