| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 8 | |
| #2 | WIPO (World Intellectual Property Organization) | 5 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology |
| # | Technology | |
|---|---|---|
| #1 | Operating tables | |
| #2 | Diagnosis and surgery |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ran Xudong | 13 |
| #2 | Zhang Wenxian | 7 |
| #3 | Feng Yagao | 7 |
| #4 | Ran Fudi | 1 |
| #5 | Tao Zhongsheng | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN104784002A | Therapy seat with hand restraining device and hand restraining device | |
| CN104138325A | Positioning machine capable of being fixed and unfixed quickly at any position | |
| CN103638583A | Infusion assistance device | |
| CN103735311A | Placement device | |
| CN103610558A | Positioning device | |
| CN103598958A | Positioning machine | |
| CN103536322A | Retractor | |
| CN103536321A | Full-angle three-dimensional adjustable retractor |