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Sunnyvale, CA, United States of America

David Ian Hopper

Average Co-Inventor Count = 5.09

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 = 20

David Ian Hopper ↔ Denny D Landaveri (2 patents)David Ian Hopper ↔ Michel Khouderchah (2 patents)David Ian Hopper ↔ Greg M Bernstein (1 patent)David Ian Hopper ↔ George S Irwin (1 patent)David Ian Hopper ↔ Ranvir K Chitkara (1 patent)David Ian Hopper ↔ Du-Tuan Lam (1 patent)David Ian Hopper ↔ Nader Tajbakshs (1 patent)David Ian HopperDavid Ian Hopper (2 patents)Denny D LandaveriDenny D Landaveri (5 patents)Michel KhouderchahMichel Khouderchah (3 patents)Greg M BernsteinGreg M Bernstein (49 patents)George S IrwinGeorge S Irwin (2 patents)Ranvir K ChitkaraRanvir K Chitkara (2 patents)Du-Tuan LamDu-Tuan Lam (2 patents)Nader TajbakshsNader Tajbakshs (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nortel Networks Corporation (2 from 4,171 patents)


2 patents:

1. 6885661 - Private branch exchange built using an ATM Network

2. 6804229 - Multiple node network architecture

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as of
12/19/2025
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