KO

Katsuhiko Oba

Canon: 3 patents #374 of 3,719Top 15%
Overall (2023): #72,594 of 537,848Top 15%
3
Patents 2023

Issued Patents 2023

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11796947 Image forming apparatus including a display unit for displaying information about a procedure for replenishing developer Kohei Koguchi, Isao Koishi 2023-10-24
11754946 Image forming apparatus Kohei Koguchi, Isao Koishi 2023-09-12
11586143 Image forming apparatus Takeo Kawanami, Akinori Mitsumata, Takehiro Miyashita 2023-02-21