Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Drum unit, cartridge, electrophotographic image forming apparatus and coupling member

Drum unit, cartridge, electrophotographic image forming apparatus and coupling member

US Patent 11067942 · Granted Jul 20, 2021

Estimated economic value: $37,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Image forming apparatus with pump portion for generating air to move toner to to2025
Toner cartridge, image forming apparatus, and remanufacturing method of used ton2025
Drawing device2025
Cartridge and image forming apparatus2025
Cartridge and image forming apparatus2025
RFID tag2025
Cartridge unit2025
Sewing system, storage medium storing monitoring program, and sewing machine2025
Toner cartridge having feeding member and pump for discharging toner2025
Cartridge, drum unit and image forming apparatus2025
Image forming apparatus and developing cartridge2025
Cartridge and image forming apparatus2025