Growing community of inventors

Danville, CA, United States of America

Michael D Johnson

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 = 217

Michael D JohnsonTobie J LaRocca (3 patents)Michael D JohnsonMichael D Johnson (3 patents)Tobie J LaRoccaTobie J LaRocca (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cox Communications, Inc. (2 from 503 patents)

2. Diva Systems Corporation (1 from 48 patents)


3 patents:

1. 8001560 - Method for providing subscripton-on-demand services

2. 7735106 - Method for providing subscription-on-demand services

3. 6314572 - Method and apparatus for providing subscription-on-demand services, dependent services and contingent services for an interactive information distribution system

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/18/2025
Loading…