| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 8 | |
| #2 | United States | 6 | |
| #3 | EPO (European Patent Office) | 4 | |
| #4 | Republic of Korea | 3 | |
| #5 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Electrical machinery and energy | |
| #3 | Mechanical elements | |
| #4 | Furniture and games | |
| #5 | Transport | |
| #6 | Measurement |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yang Ken | 12 |
| #2 | Yang Qi | 7 |
| #3 | Ken Yang | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US2021079930A1 | Inflator with an Air Guiding Sleeve | |
| US2019234389A1 | Fluid Cylinder | |
| WO2017173715A1 | An air compressor, and a self-air-intake piston | |
| WO2015027940A1 | A coupling structure for coupling fluid passage members | |
| WO2015027802A1 | A fluid pressure measuring device | |
| US2016201660A1 | A fluid cylinder |