Growing community of inventors

Hong Kong, China

Lewis Cheng

Average Co-Inventor Count = 3.33

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 = 49

Lewis ChengDouglas Rumsam (4 patents)Lewis ChengTimothée Lesné (4 patents)Lewis ChengAndy Wong (4 patents)Lewis ChengThomas MacMartin Harman, Ii (1 patent)Lewis ChengLewis Cheng (5 patents)Douglas RumsamDouglas Rumsam (6 patents)Timothée LesnéTimothée Lesné (5 patents)Andy WongAndy Wong (4 patents)Thomas MacMartin Harman, IiThomas MacMartin Harman, Ii (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Citadel Casing Ltd (4 from 6 patents)

2. Polygroup Macau Limited (Bvi) (1 from 107 patents)


5 patents:

1. D1075517 - Bottle case

2. 11866236 - Folding tamper-proof case with reinforcing inserts

3. 11492173 - Folding case and methods thereof

4. 10994889 - Folding tamper-proof case and methods thereof

5. 8309188 - Pull up tree system

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as of
1/16/2026
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