Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
SY

Shizhao Yan

Renhuai City, CN: #2 of 2 inventorsTop 100%
Overall (All Time): #2,910,282 of 4,157,543Top 75%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10085468 Storage tank vacuum-pumping device and method for keeping long-time food fresh utilizing storage tank 2018-10-02