Growing community of inventors

Mississauga, Canada

Yi-Chen Chang

Average Co-Inventor Count = 2.67

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 = 19

Yi-Chen ChangOlaf Vancura (3 patents)Yi-Chen ChangInna Lifchits (3 patents)Yi-Chen ChangEmilio Galasso (1 patent)Yi-Chen ChangYi-Chen Chang (4 patents)Olaf VancuraOlaf Vancura (89 patents)Inna LifchitsInna Lifchits (3 patents)Emilio GalassoEmilio Galasso (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ags LLC (4 from 183 patents)


4 patents:

1. 10176668 - Games and gaming machines having game symbol replacement feature

2. 9275521 - Method of adapting a class II game to provide the play characteristics of a class III game

3. 9275522 - Method of adapting a class II game to provide the play characteristics of a class III game

4. 8439742 - Method of adapting a class II game to provide the play characteristics of a class III game

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as of
12/16/2025
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