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

Yohko Ohtani

Ricoh Company: 3 patents #4,826 of 9,818Top 50%
Overall (All Time): #1,559,398 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7903274 Image processing apparatus that generates data displayed as an address book 2011-03-08
7577660 Terminal device, information processing apparatus, information processing method, information processing program and recording medium 2009-08-18
7219030 Connection test method and information processing apparatus performing same 2007-05-15