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

Ryohei Tarumi

FUFujifilm: 1 patents #3,076 of 4,519Top 70%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
Overall (All Time): #2,142,116 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7317589 Magnetic recorder 2008-01-08
7013706 Friction force measurement apparatus 2006-03-21