Inventor
Yau Chuen YIU
Inventor
CN
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B42Dprimary
B42DBooks18%
G01NInvestigating or analysing materials by determining their chemical or physical properties18%
G06VImage or video recognition or understanding18%
B28DWorking stone or stone-like materials9%
G01RMeasuring electric variables9%
G02BOptical elements, systems or apparatus9%
G09FDisplaying9%
H04LTransmission of digital information, e.g. telegraphic communication9%
PatentTitleYear
12,467,871Methods and apparatus for an anti- counterfeiting system using color space correlated raman spectroscopy of diamond202512,030,217Method of marking a diamond, markings formed from such methods and diamonds marked according to such method202411,879,859Process for determining the type of a diamond2024Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2024Patents assigned to GOLDWAY TECH LIMITED (1)· patent assignee history
2024Patents assigned to MASTER DYNAMIC LTD (1)· patent assignee history
2024–2025Based in CN· patent location history
2025Patents assigned to VERSITECH LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GOLDWAY TECH LIMITED | 1 | 2024 |
| MASTER DYNAMIC LTD | 1 | 2024 |
| VERSITECH LTD | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 3 | 2024–2025 |