Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Toner cartridge with refillable fresh and residual toner chambers, process cartridge, and method of making toner cartridge reusable

Toner cartridge with refillable fresh and residual toner chambers, process cartridge, and method of making toner cartridge reusable

US Patent 8260186 · Granted Sep 4, 2012

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Fuel cell system2025
Organic compound, light-emitting device, light-emitting apparatus, electronic eq2025
Material for hole-transport layer, material for hole-injection layer, organic co2025
Hole-transport layer material, electron-blocking layer material, electron-transp2025
Semiconductor memory device2025
Light-emitting device, electronic device, and lighting device2025
Organic compound, EL device, light-emitting apparatus, electronic appliance, lig2025
Semiconductor memory device2025
Organic compound, light-emitting device, light-emitting apparatus, electronic de2025
Sulfide solid electrolyte and treatment method therefor2025
Arylamine compound, hole-transport layer material, hole-injection layer material2024
Semiconductor memory device2024