RK

Ryoichi Kawasumi

Canon: 7 patents #35 of 2,977Top 2%
📍 Ibaraki, JP: #6 of 437 inventorsTop 2%
Overall (2025): #11,416 of 469,880Top 3%
7
Patents 2025

Issued Patents 2025

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12399459 Image forming apparatus Hiroki Takano, Takehiro Ishidate 2025-08-26
12399446 Image forming apparatus including duct structure that supports light emitting elements for exposing a photoconductor Takehiro Ishidate, Hiroki Takano 2025-08-26
12393136 Image forming apparatus that cools an exposure device Hiroki Takano, Takehiro Ishidate, Koji Suzuki 2025-08-19
12386308 Image forming apparatus including exposure unit and exposure cooling unit Takehiro Ishidate, Hiroki Takano 2025-08-12
12298708 Image forming apparatus with cooling configuration Takehiro Ishidate, Hiroki Takano 2025-05-13
12271149 Image forming apparatus Takehiro Ishidate, Hiroki Takano, Koji Suzuki 2025-04-08
12253810 Image forming apparatus Takehiro Ishidate, Hiroki Takano 2025-03-18