中文之钥 THE KEY TO CHINESE · THREE-SCRIPT THEORY · VISUAL KEY
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History — Twenty Years

One scholar, one theory, two decades.

2014
Return to scholarship
Left a high-paying path to devote himself to the study of Chinese-character structure.
2015
Educator of the Year
Recognised among the year's education figures for research and teaching.
2018
International symposium
A symposium on "A Key to Chinese" drew scholars and international media; the system reached the global academic stage.
2018
Three international textbooks
Course materials for learners worldwide turned the theory into a teachable curriculum.
2026
Global launch of the Visual Key Method
The Visual Key Method is released worldwide; illustrated dictionary and products go live.

The system is now run independently by Clavis Sinica Limited, registered in New Zealand — original research serving a global audience.

In the press →

Dr. John Chu (楚建德) · Auckland, New Zealand
Built on 102,857 listed-company executive names · a 14,941-character dictionary · Claude claude-sonnet-4-6
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