| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 2 | |
| #2 | Hong Kong | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Australia | 1 | |
| #5 | Canada | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Republic of Korea | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Pharmaceuticals | |
| #3 | Organic fine chemistry |
| # | Technology | |
|---|---|---|
| #1 | Analysing materials | |
| #2 | Medical preparations | |
| #3 | Heterocyclic compounds | |
| #4 | Therapeutic chemical compounds |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yan Wenguang | 10 |
| Publication | Filing date | Title |
|---|---|---|
| WO2014101134A1 | Folic acid derivative, and preparing method and application thereof | |
| CN103185713A | Detection agent composition for epithelial tissue tumor cells and preparation method thereof |