Growing community of inventors

Hong Kong, China

Lap Yan Chau

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 = 71

Lap Yan ChauLap Yan Chau (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Alltrade Inc. (2 from 55 patents)


2 patents:

1. D426446 - Multi-function tool

2. D426447 - Multifunction tool

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as of
12/26/2025
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