Company Filing History:
6 out of 9 
1 out of 3 Years Active: 2019-2025
Title: The Innovative Journey of Wing Chi Tang in Diamond Grading Technologies
Introduction
Wing Chi Tang, an accomplished inventor based in Hong Kong, has made significant contributions to the field of gemstone technology. With a total of seven patents to his name, Tang’s work primarily focuses on improving the methods and systems used for grading diamonds, particularly in terms of clarity and color.
Latest Patents
Among Wing Chi Tang's most notable innovations are his latest patents that showcase advanced processes for gemstone grading. The first is the "Gemstone Colour Grading Process and Grading System." This innovative process assigns a color grade to a diamond by determining both the N3 and C-center content of the gem. The method includes steps where comparative analysis is conducted with an extensive dataset of diamonds, each having a previously assigned color grading. This graded correlation enhances the accuracy and reliability of diamond color assessment.
Another significant patent is the "Diamond Clarity Measurement Process and System." This automated system grades the clarity of a diamond based on the internal defects within its structure. Utilizing a computerized method, the process comprises acquiring top-view images of the diamond, detecting any inner flaws via a processor, and then outputting a clarity grade based on the analysis. These patents highlight Tang's commitment to refining gemstone evaluation processes through innovative technology.
Career Highlights
Throughout his career, Wing Chi Tang has collaborated with various companies, most notably Goldway Technology Limited and Chow Tai Fook Jewellery Company Limited. His experience in these organizations has allowed him to contribute significantly to the development of state-of-the-art jewelry technologies and gemstone grading systems. These positions have bolstered his expertise and provided a platform for his inventive pursuits.
Collaborations
Tang has worked alongside talented individuals in the industry, including coworkers Koon Chung Hui and Ka Wing Cheng. Their collaboration has fostered a creative environment that encourages the exploration of innovative grading techniques, further pushing the boundaries of what is possible in gemstone technology.
Conclusion
Wing Chi Tang’s dedication to innovation and excellence in the field of gemstone grading has resulted in groundbreaking advancements, as evidenced by his patents. His work not only enhances the clarity and color grading processes but also sets a new standard within the diamond industry. Through his visionary approaches, Tang is paving the way for future innovations in jewelry technology.