Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
KO

Ken Oi — 3 Patents in 2021

Canon: 3 patents #435 of 3,943Top 15%
Tokyo, JP: #1,375 of 13,453 inventorsTop 15%
Overall (2021): #74,858 of 548,734Top 15%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11137708 Energization control device and image forming apparatus 2021-10-05 $39,000
10928759 Heating apparatus and image forming apparatus for controlling conduction to heat generation member Nozomu Nakajima, Kouji Yasukawa 2021-02-23 $64,000
10884361 Image forming apparatus that switches power supply to plurality of heating elements Kohei Wakatsu, Kazuhiro Doda, Tsuguhiro Yoshida, Yutaka Sato 2021-01-05 $35,000