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

Yasuhiro Imai

HIHitachi: 1 patents #1,316 of 3,771Top 35%
Yokohama, WI: #2 of 2 inventorsTop 100%
Overall (2004): #85,472 of 270,089Top 35%
1 Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6791623 Image display system Kouzou Masuda, Ikuya Arai, Sadao Tsuruga, Jiro Kawasaki, Tsuyoshi Sano +5 more 2004-09-14