KO

Katsuhiko Oba

Canon: 2 patents #666 of 3,631Top 20%
Overall (2022): #141,111 of 548,613Top 30%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11474452 Image forming apparatus including an attachment portion to which to attach a supply container for supplying a developer Kohei Koguchi, Isao Koishi 2022-10-18
11454912 Image forming apparatus including a display unit for displaying information about a procedure for replenishing developer Kohei Koguchi, Isao Koishi 2022-09-27