Ka Wing CHENG

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New Territories, HK

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Patents Grantslast 30 patents

Information Patent Grant
Diamond clarity measurement process and system
- Patent number 11,835,466
- Issue date Dec 5, 2023
- GOLDWAY TECHNOLOGY LIMITED
- Ka Wing Cheng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Process and system for colour grading for diamonds
- Patent number 11,326,952
- Issue date May 10, 2022
- GOLDWAY TECHNOLOGY LIMITED
- Koon Chung Hui
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Process and system for diamond clarity measurement
- Patent number 11,137,355
- Issue date Oct 5, 2021
- GOLDWAY TECHNOLOGY LIMITED
- Koon Chung Hui
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Diamond clarity measurement process and system
- Patent number 11,016,033
- Issue date May 25, 2021
- GOLDWAY TECHNOLOGY LIMITED
- Ka Wing Cheng
- G01 - MEASURING TESTING
Information Patent Grant
Colour grading process and system for diamonds
- Patent number 10,762,666
- Issue date Sep 1, 2020
- GOLDWAY TECHNOLOGY LIMITED
- Ka Wing Cheng
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
DIAMOND CLARITY MEASUREMENT PROCESS AND SYSTEM
- Publication number 20210364446
- Publication date Nov 25, 2021
- Goldway Technology Limited
- Ka Wing CHENG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PROCESS AND SYSTEM FOR COLOUR GRADING FOR DIAMONDS
- Publication number 20210033465
- Publication date Feb 4, 2021
- Goldway Technology Limited
- Koon Chung HUI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PROCESS AND SYSTEM FOR DIAMOND CLARITY MEASUREMENT
- Publication number 20210033540
- Publication date Feb 4, 2021
- Goldway Technology Limited
- Koon Chung HUI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DIAMOND CLARITY MEASUREMENT PROCESS AND SYSTEM
- Publication number 20200333257
- Publication date Oct 22, 2020
- Ka Wing CHENG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
COLOUR GRADING PROCESS AND SYSTEM FOR DIAMONDS
- Publication number 20190213757
- Publication date Jul 11, 2019
- Goldway Technology Limited
- Ka Wing CHENG
- G06 - COMPUTING CALCULATING COUNTING