Growing community of inventors

Hong Kong, China

Sammy To

Average Co-Inventor Count = 2.00

ph-index = 1

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 = 61

Sammy ToDavid Chu Ki Kwan (1 patent)Sammy ToSammy To (1 patent)David Chu Ki KwanDavid Chu Ki Kwan (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toymax, Inc. (1 from 23 patents)


1 patent:

1. 6293869 - Shooting game target with graphic image display device

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1/13/2026
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