GOLDWAY TECHNOLOGY LIMITED
Patent Applications and Registrations
Patent applications and USPTO patent grants for GOLDWAY TECHNOLOGY LIMITED.The latest application filed is for "system and process for diamond authentication".
- GOLDWAY TECHNOLOGY LIMITED - Hong Kong CN
- Goldway Technology Limited -
- Goldway Technology Limited - Central N/A HK
| Patent | Date |
|---|---|
| System And Process For Diamond Authentication App 20220276178 - CHENG; Ka Wing ; et al. | 2022-09-01 |
| Diamond Authentication Process And System Therefore App 20220268718 - CHENG; Ka Wing ; et al. | 2022-08-25 |
| Process and system for colour grading for diamonds Grant 11,326,952 - Hui , et al. May 10, 2 | 2022-05-10 |
| System For Ascertaining Optical Characteristics Of Gemstone App 20220042925 - CHENG; Ka Wing ; et al. | 2022-02-10 |
| Gemstone Colour Grading Process And Grading System App 20220026371 - LEE; Wing Yan ; et al. | 2022-01-27 |
| Diamond Clarity Measurement Process And System App 20210364446 - CHENG; Ka Wing ; et al. | 2021-11-25 |
| Device, Process And System For Gemological Characterization App 20210310950 - CHENG; Juan ; et al. | 2021-10-07 |
| Process and system for diamond clarity measurement Grant 11,137,355 - Hui , et al. October 5, 2 | 2021-10-05 |
| Diamond clarity measurement process and system Grant 11,016,033 - Cheng , et al. May 25, 2 | 2021-05-25 |
| Process And System For Diamond Clarity Measurement App 20210033540 - Hui; Koon Chung ; et al. | 2021-02-04 |
| Process And System For Colour Grading For Diamonds App 20210033465 - HUI; Koon Chung ; et al. | 2021-02-04 |
| Diamond Clarity Measurement Process And System App 20200333257 - CHENG; Ka Wing ; et al. | 2020-10-22 |
| Colour grading process and system for diamonds Grant 10,762,666 - Cheng , et al. Sep | 2020-09-01 |
| Colour Grading Process And System For Diamonds App 20190213757 - CHENG; Ka Wing ; et al. | 2019-07-11 |
| System, apparatus and method for viewing a gemstone Grant 10,184,896 - Yeung , et al. Ja | 2019-01-22 |
| System, Apparatus And Method For Viewing A Gemstone App 20170307537 - YEUNG; Wai Keung ; et al. | 2017-10-26 |
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