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

Ken Oi

Canon: 3 patents #435 of 3,943Top 15%
Overall (2021): #74,858 of 548,734Top 15%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11137708 Energization control device and image forming apparatus 2021-10-05
10928759 Heating apparatus and image forming apparatus for controlling conduction to heat generation member Nozomu Nakajima, Kouji Yasukawa 2021-02-23
10884361 Image forming apparatus that switches power supply to plurality of heating elements Kohei Wakatsu, Kazuhiro Doda, Tsuguhiro Yoshida, Yutaka Sato 2021-01-05