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Inventor

Wing Chi Tang

Inventor
HK

Overview

4→
Patents
2021–2025
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties29%
G06TImage data processing or generation, in general21%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light14%
G06NComputing arrangements based on specific computational models14%
G01RMeasuring electric variables7%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes7%
G06VImage or video recognition or understanding7%
PatentTitleYear
12,292,385Gemstone colour grading process and grading system202511,835,466Diamond clarity measurement process and system202311,326,952Process and system for colour grading for diamonds202211,137,355Process and system for diamond clarity measurement2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2025Patents assigned to GOLDWAY TECH LIMITED (4)· patent assignee history
2021–2023Based in HK· patent location history
2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GOLDWAY TECH LIMITED42021–2025
Locations
LocationPatentsSpan
HK32021–2023
CN12025