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

Junn Ohta

Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #3,191,226 of 4,157,543Top 80%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8621565 Authentication apparatus, authentication method and computer readable information recording medium 2013-12-31