Growing community of inventors

La Mirada, CA, United States of America

John Chang, Jr

Average Co-Inventor Count = 7.00

ph-index = 1

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 = 2

John Chang, JrGowrishankar Natarajan (2 patents)John Chang, JrKunwar Handa (2 patents)John Chang, JrBarry A Smith (2 patents)John Chang, JrMatthew Smith (2 patents)John Chang, JrKapildev Rathan (2 patents)John Chang, JrYongmoon Lee (2 patents)John Chang, JrJohn Chang, Jr (2 patents)Gowrishankar NatarajanGowrishankar Natarajan (9 patents)Kunwar HandaKunwar Handa (8 patents)Barry A SmithBarry A Smith (5 patents)Matthew SmithMatthew Smith (3 patents)Kapildev RathanKapildev Rathan (2 patents)Yongmoon LeeYongmoon Lee (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. At&t Intellectual Property I, LP (2 from 16,497 patents)


2 patents:

1. 11405966 - System and method to deliver companion experiences to handheld devices

2. 10834764 - System and method to deliver companion experiences to handheld devices

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as of
1/4/2026
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