Inventor
CHAN KONG
HK4 patents
Patents
4 patentsUS11835466B2Dec 5, 2023
Diamond clarity measurement process and system
GOLDWAY TECH LIMITED0 citations55
US11016033B2May 25, 2021
Diamond clarity measurement process and system
GOLDWAY TECH LIMITED0 citations55
US11879859B2Jan 23, 2024
Process for determining the type of a diamond
GOLDWAY TECH LIMITED0 citations53
US10762666B2Sep 1, 2020
Colour grading process and system for diamonds
GOLDWAY TECH LIMITED0 citations34