Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
Home › Inventors › Liu Yunzhao
LY

Liu Yunzhao — 1 Patent

Daqiao, CN: #1 of 1 inventorsTop 100%
Overall (All Time): #3,864,489 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5167421 Safety seat equipped in automobile — 1992-12-01

Nearby-Ranked Inventors

Kenneth R. Weeks1
Thaddeus J. Montgomery, III1
John Iandola1
Jack L. Painter1
Ronnel J. Stacey1
Shih-Shyan Chen1
Francis CASALE1
Oscar Maifredi1
Manfred Buttner1