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

Yukiyoshi Arai

Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #3,876,439 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5016060 Paper transporting device for an image recorder having guide ribs on a transport surface 1991-05-14