Inventor

KO CHANG-KYUNG

KR19 patents

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

KO CHANG-KYUNG

SAMSUNG ELECTRONICS CO LTD

Image forming apparatus having programmable developer cartridge

Fan speed control circuit

Image forming apparatus

Method of controlling charge voltage of image forming apparatus using electrophotographic developing process

Method and apparatus for detecting a width of a printing medium manually fed to an image forming apparatus

Device for detecting remaining level of toner

Fusing temperature control circuit

Transfer voltage adjusting device

Apparatus for and method of controlling toner density

Image forming apparatus with power conservation in accordance with ambient light

Auxiliary charging device of electrophotography printing apparatus

Paper saving apparatus for use in an image forming system

Image forming apparatus

Method and apparatus for controlling color registration sensors

Method and apparatus for controlling color registration sensors

Technique for controlling developing voltage of image forming device

Image forming apparatus

JANG JAE YOUNG

Image forming apparatus

EOM YOON-SEOP

Method and apparatus for controlling color registration sensors