Inventor

CHOI WOONG YONG

KR22 patents

⚠️ This page may combine multiple inventors who share the name “CHOI WOONG YONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHOI WOONG YONG

HEWLETT PACKARD DEVELOPMENT CO

Toner refill cartridge with holder holding memory unit thereon and rotatable with respect to cartridge body

Print particle replenishment device

Toner refill cartridge with structure for preventing toner discharging part from being blocked by weight part

Structure for releasing internal pressure in development cartridge when refilling toner

Development cartridge for a printer

Toner cartridge for refilling toner by using elastic force

Interface structure for toner refill cartridge and toner refill portion

Structure for selectively locking toner inlet shutter of toner refill portion based on rotational phase of toner refill cartridge

S PRINTING SOLUTION CO LTD

Cartridge

Cartridge

Cartridge

Developing cartridge, developing apparatus and image forming apparatus having the same

Developing cartridge, developing apparatus and image forming apparatus having the same

SAMSUNG ELECTRONICS CO LTD

Developing device and image forming apparatus including the same

Developer cartridge and electrophotographic image forming apparatus including the same

Cartridge and electrophotographic image forming apparatus using the same

Developing device and image forming apparatus including the same

CHOI WOONG-YONG

Developing device for a printer

Developing apparatus for printer

JOO JONG-HWA

Developing device and image forming apparatus including the same

HEWLETT PACKARD DEVELOPMENT CO LP

Toner reload kit

CHOI WOONG YONG

Developing unit and image forming apparatus having the same