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

Akiyoshi Sakakibara

Ricoh Company: 1 patents #810 of 1,683Top 50%
Overall (2011): #359,961 of 364,097Top 100%
1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8006083 Image forming apparatus, authentication method, and recording medium 2011-08-23