Growing community of inventors

Hong Kong, China

Yang Jack Chang

Average Co-Inventor Count = 4.00

ph-index = 5

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 = 89

Yang Jack ChangGraham Allen (6 patents)Yang Jack ChangSimon Davies (6 patents)Yang Jack ChangPatrick Ho (6 patents)Yang Jack ChangYang Jack Chang (6 patents)Graham AllenGraham Allen (11 patents)Simon DaviesSimon Davies (10 patents)Patrick HoPatrick Ho (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Gp Acoustics International Limited (6 from 33 patents)


6 patents:

1. D687412 - Loudspeaker

2. D678866 - Loudspeaker

3. D678245 - Loudspeaker

4. D676025 - Loudspeaker

5. D674780 - Loudspeaker

6. D673527 - Loudspeaker

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as of
12/25/2025
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