Inventor
SUETSUGU MASAHIRO
JP20 patents
⚠️ This page may combine multiple inventors who share the name “SUETSUGU MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
17 patentsUS11204566B2Dec 21, 2021
Image forming apparatus and developing cartridge
CANON KK6 citations84
US11860556B2Jan 2, 2024
Image forming apparatus having detection of residual toner amount
CANON KK2 citations73
US11789378B2Oct 17, 2023
Image forming apparatus and developing cartridge
CANON KK3 citations73
US12547098B2Feb 10, 2026
Toner container and image forming system
CANON KK0 citations62
US12474652B2Nov 18, 2025
Image forming apparatus having detection of stored toner amount
CANON KK0 citations62
US12443126B2Oct 14, 2025
Image forming apparatus and developing cartridge
CANON KK0 citations62
US12416880B2Sep 16, 2025
Toner container
CANON KK0 citations62
US12228866B2Feb 18, 2025
Image forming apparatus and developing cartridge
CANON KK0 citations62
US12092973B2Sep 17, 2024
Image forming apparatus
CANON KK1 citations62
US12429797B2Sep 30, 2025
Image forming apparatus and image forming system with display of remaining toner amount
CANON KK0 citations52
US12429814B2Sep 30, 2025
Image forming apparatus, process cartridges, and connecting member
CANON KK0 citations52
US12379679B2Aug 5, 2025
Image forming apparatus
CANON KK0 citations52
US12235598B2Feb 25, 2025
Developing device and image forming apparatus
CANON KK0 citations52
US12085871B2Sep 10, 2024
Image forming apparatus with suppression of light quality attenuation
CANON KK0 citations52
US12547099B2Feb 10, 2026
Image forming apparatus
CANON KK0 citations51
US12510858B2Dec 30, 2025
Image forming apparatus
CANON KK0 citations51
US12411452B2Sep 9, 2025
Image forming apparatus
CANON KK0 citations51