Growing community of inventors

Hong Kong, China

Ngan Chi Keung

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 = 50

Ngan Chi KeungNgan Chi Keung (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. O2cool, LLC (2 from 126 patents)


2 patents:

1. D858182 - Bottle closure

2. D857445 - Bottle closure

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/15/2025
Loading…