Growing community of inventors

Hong Kong, China

So Sum Tang

Average Co-Inventor Count = 3.69

ph-index = 3

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 = 41

So Sum Tang ↔ Marcin Wojciech Dudar (4 patents)So Sum Tang ↔ Lawrence Chun Hei Chu (3 patents)So Sum Tang ↔ Mark Creedon Palfreeman (3 patents)So Sum Tang ↔ Mark Creedon Palfreeman (1 patent)So Sum TangSo Sum Tang (4 patents)Marcin Wojciech DudarMarcin Wojciech Dudar (5 patents)Lawrence Chun Hei ChuLawrence Chun Hei Chu (3 patents)Mark Creedon PalfreemanMark Creedon Palfreeman (3 patents)Mark Creedon PalfreemanMark Creedon Palfreeman (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Creedon Technologies Hk Limited (4 from 5 patents)


4 patents:

1. D1047464 - Parallelogram design element for a digital photo frame

2. D901191 - Digital photo frame

3. D900489 - Digital photo frame

4. D900488 - Digital photo frame

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as of
1/14/2026
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