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

Youbao Wan — 2 Patents

Jiaxing City, CN: #1 of 1 inventorsTop 100%
Overall (All Time): #2,081,641 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8591648 Crystal growing system having multiple rotatable crucibles and using a temperature gradient method 2013-11-26
7673415 Apparatus and method for regulation of carbon dioxide content in atmosphere 2010-03-09