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

Hiroyuki Ookaji

Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #3,655,492 of 4,157,543Top 90%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5930564 Image forming apparatus and a method of forming an image 1999-07-27