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

Keiko Hanawa

Canon: 4 patents #10,118 of 19,416Top 55%
Overall (All Time): #1,215,643 of 4,157,543Top 30%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9204009 Image forming apparatus 2015-12-01
8564836 Image forming apparatus and control method thereof 2013-10-22
8542401 Image processing apparatus and method for controlling the same 2013-09-24
8284449 Image forming apparatus and control method thereof 2012-10-09