Growing community of inventors

Woburn, MA, United States of America

Cheng Zhang

Average Co-Inventor Count = 5.00

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 = 36

Cheng ZhangDahong Qian (2 patents)Cheng ZhangMatthew Eichner (2 patents)Cheng ZhangJames Ward (2 patents)Cheng ZhangFeiyu Xie (2 patents)Cheng ZhangCheng Zhang (2 patents)Dahong QianDahong Qian (6 patents)Matthew EichnerMatthew Eichner (2 patents)James WardJames Ward (2 patents)Feiyu XieFeiyu Xie (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Net2phone, Inc. (2 from 29 patents)


2 patents:

1. 7305439 - System and method for coordinated and secure-content group-browsing system

2. 7139799 - System for enabling multiple clients to interact together over a network with a secure web page

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as of
12/17/2025
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