Growing community of inventors

Hong Kong, China

David Ying Chi Hong

Average Co-Inventor Count = 1.00

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 = 10

David Ying Chi HongDavid Ying Chi Hong (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Active Tools International (hk) Ltd. (2 from 24 patents)

2. Top Alliance Technology Limited (1 from 7 patents)


3 patents:

1. 10753351 - Air inflating device and tire repair machine comprising same

2. 9492976 - Sealant bottle for tire repair of vehicle

3. 9193229 - Tire repair device

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as of
12/20/2025
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