| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Australia | 3 | |
| #4 | Canada | 2 | |
| #5 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Pharmaceuticals | |
| #2 | Organic fine chemistry |
| # | Technology | |
|---|---|---|
| #1 | Therapeutic chemical compounds | |
| #2 | Medical preparations | |
| #3 | Heterocyclic compounds |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ku Baoshan | 8 |
| #2 | Shum Frank Hay Kong | 6 |
| #3 | Shum Frank Haykong | 4 |
| #4 | Dong Qingbin | 3 |
| #5 | Qi Shiquan | 3 |
| #6 | Zhou Maoquing | 2 |
| #7 | Zhou Maoqing | 1 |
| #8 | Shum Hay Kong | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US6780866B2 | Analgesic composition and method | |
| US6599906B1 | Method of local anesthesia and analgesia | |
| US6552191B1 | Method of extracting tetrodotoxin | |
| US6407088B1 | Method of analgesia |